Digital Optical. Communications. Le Nguyen Binh. CRC Press Taylor &. Francis Group. Boca Raton London New York

Size: px
Start display at page:

Download "Digital Optical. Communications. Le Nguyen Binh. CRC Press Taylor &. Francis Group. Boca Raton London New York"

Transcription

1 Digital Optical Communications Le Nguyen Binh CRC Press Taylor &. Francis Group Boca Raton London New York CRC Press is an imprint of the Taylor & Francis Group, an informa business

2 Contents Preface Acknowledgments Author Abbreviations xix xxi xxiii xxv Chapter 1 Introduction Digital Optical Communications and Transmission Systems: Challenging Issues Enabling Technologies Modulation Formats and Generation of Optical Signals Binary Level Binary and Multi-level In-phase and Quadrature Phase Channels External Optical Modulation Advanced Modulation Formats Incoherent Optical Receivers Coherent Optical Receivers Transmission of Ultra-short Pulse Sequence Electronic Equalization Feed Forward Equalizer Decision Feedback Equalization Minimum Mean Square Error Equalization Placement of Equalizers MLSE Electronic Equalizers Ultra-short Pulse Transmission Organization of Book Chapters 12 References 14 Chapter 2 Photonic Transmitters Optical Modulators Phase Modulators Intensity Modulators Phasor Representation and Transfer Characteristics Bias Control Chirp-free Optical Modulators Structures of Photonic Modulators Typical Operational Parameters Return-to-Zero Optical Pulses Generation Phasor Representation Phasor Representation of CSRZ Pulses Phasor Representation of RZ33 Pulses 28 vii

3 viii Contents 2.3 Differential Phase Shift Keying Background Optical DPSK Transmitter Generation of Modulation Formats Amplitude-modulation OOK-RZ Formats Amplitude-modulation Carrier-Suppressed RZ (CSRZ) Formats Discrete Phase-modulation NRZ Formats Differential Phase Shift Keying (DPSK) Differential Quadrature Phase Shift Keying (DQPSK) NRZ-DPSK RZ-DPSK Generation of M-ary Amplitude Differential Phase Shift Keying (M-ary ADPSK) Using One MZIM Continuous Phase-modulation PM-NRZ Formats Linear and Non-linear MSK MSK as a Special Case of Continuous Phase FSK (CPFSK) MSK as Offset Differential Quadrature Phase Shift Keying (ODQPSK) Configuration of Photonic MSK Transmitter Using Two Cascaded Electro-optic Phase Modulators Configuration of Optical MSK Transmitter Using Mach-Zehnder Intensity Modulators: I-Q Approach Single Side Band (SSB) Optical Modulators Operating Principles Optical RZ-MSK Multi-carrier Multiplexing (MCM) Optical Modulators Spectra of Modulation Formats Spectral Characteristics of Digital Modulation Formats Remarks 54 References 62 Chapter 3 Optical Receivers and Transmission Performances Inroduction Digital Optical Receivers Photonic and Electronic Noise Electronic Noise of Receiver Shot Noises Biasing Current Shot Noises Quantum Shot Noise Thermal Noise ASE Noise of Optical Amplifier Optical Amplifier Noise Figure Electronic Beating Noise Accumulated ASE Noise in Cascaded Optical Amplifiers Performance Evaluation of Binary Amplitude Modulation Format Received Signals Case 1: OFF or a Transmitted "0" is Received Case 2: ON Transmitted "1" Received Probability Distribution Functions 72

4 Contents ix Receiver Sensitivity Optical Signal-to-Noise Ratio and Noise Impact OSNR Determination of the Impact of Noise Quantum Limit of Optical Receivers under Different Modulation Formats Direct Detection Coherent Detection Coherent Detection with Matched Filter Coherent ASK Systems Coherent Phase and Frequency Shift Keying Systems Binary Coherent Optical Receiver Non-coherent Detection for Optical DPSK and MSK Photonic Balanced Receiver Optical Frequency Discrimination Receiver (OFDR) Transmission Impairments Chromatic Dispersion (CD) Chromatic Linear Dispersion Polarization Mode Dispersion (PMD) Fiber Non-linearity MATLAB Simulink Simulator for Optical Communications Systems Fiber Propagation Model Non-linear Schroedinger Equation (NLSE) Symmetrical Split-Step Fourier Method Modeling of Polarization Mode Dispersion (PMD) Optimizing the Symmetrical SSFM Fiber Propagation in Linear Domain Non-linear Effects via Fiber Propagation Model SPM Effects XPM Effects FWM Effects SRS Effects SBS Effects Performance Evaluation BER from Monte Carlo Method BER and Q-factor from Probability Distribution Functions Histogram Approximation Optical Signal-to-Noise Ratio (OSNR) Eye Opening Penalty (EOP) Statistical Evaluation Techniques Multi-Gaussian Distributions (MGD) via Expectation Maximization (EM) Theorem Selection of Number of Gaussian Distributions for MGD Fitting Selection of Threshold for GPD Fitting Validation of Novel Statistical Methods Novel BER Statistical Techniques Multi-Gaussian Distributions (MGD) and Expectation Maximization (EM) Theorem Effects of Source Linewidth Remarks 117

5 x Contents 3.12 Appendices Sellmeir's Coefficients for Different Core Materials Total Equivalent Electronic Noises Problems Chapter References 128 Chapter 4 Coherent Photonic Transmission Coherent Detection Optical Heterodyne Detection ASK Coherent System Envelop Detection Synchronous Detection PSK Coherent System Differential Detection Optical Homodyne Detection FSK Coherent System Coherent and Non-coherent Photonic Transmission Technologies Integrated Optics Optical Source and Modulation Demands on Laser Linewidth Differential Detection CPFSK Differential Detection Balanced Receiver Phase Diversity Receiver Channel-Selective Receiver Photonic Filters and Phase Comparators Transmission Characteristics Coherent Phase and Differential Phase Shift Keying Fiber Propagation and Non-linearities Linear Dispersion: Analytical Approach Signal Propagation and the Governing NLSE Equation Fiber Transfer Function Pulse Shapes Non-linear Impairments Non-linear Phase Noise Optical Multi-level Modulation: General Theory Optical Multilevel Modulation: General Theory Multi-phase and Amplitude Format Optical Transmitters Coherent OFDM Principles Experimental Implementation of Coherent Detection Remarks 167 References 168 Chapter 5 Differential Phase Shift Keying Photonic Systems Introduction Optical DPSK Modulation and Formats 172

6 Contents xi Generation of Return-to-Zero Pulses Phasor Representation Phasor Representation of CS-RZ Pulses Phasor Representation of RZ33 Pulses Discrete Phase Modulation (DPSK) Principles of DPSK and Theoretical Treatment of DPSK and DQPSK Transmission Optical DPSK Transmitter DPSK Balanced Receiver DPSK Transmission Experiment Components and Operational Characteristics Spectra of Modulation Formats Dispersion Tolerance of Optical DPSK Formats Optical Filtering Effects Performance of CSRZ-DPSK over a Dispersion Managed Optical Transmission Link Mutual Impact of Adjacent 10 G and 40 G DWDM Channels DQPSK Modulation Format DQPSK Offset DQPSK Modulation Format Influence of the Minimum Symbol Distance on the Receiver Sensitivity Influence of Self Homodyne Detection on the Receiver Sensitivity MATLAB Simulink Model The Simulink Model Eye Diagrams Comparisons of Different Formats and ASK and DPSK BER and Receiver Sensitivity RZ ASK and NRZ ASK RZ DPSK and NRZ DQPSK RZ ASK and NRZ DQPSK Dispersion Tolerance Polarization Mode Dispersion Tolerance Robustness Towards Non-linear Effects Robustness Towards SPM Robustness Towards XPM Robustness Towards FWM Robustness Towards SRS Robustness Towards SBS Remarks 209 References 209 Appendix: MATLAB Simulink Model for DQPSK Optical System 211 Chapter 6 Continuous Phase Modulation Format Optical Systems Introduction Generation of Optical MSK Modulated Signals Optical MSK Transmitter Using Two Cascaded Electro-Optic Phase Modulators Detection of M-ary CPFSK Modulated Optical Signal 219

7 xii Contents Optical MSK Transmitter Using Parallel I-Q Mach-Zehnder Intensity Modulators Linear MSK Weakly Non-linear MSK Strongly Non-linear MSK Optical MSK Receivers Optical Binary-Amplitude MSK Format Generation Optical Minimum Shift Keying Numerical Results and Discussions Transmission Performance of Linear and Non-linear Optical MSK Systems Transmission Performance of Binary Amplitude Optical MSK Systems Remarks 234 References 235 Chapter 7 Multi-level Amplitude and Phase Shift Keying Optical Transmission Introduction Amplitude and Differential Phase Modulation ASK Modulation NRZ-ASK Modulation RZ-ASK Modulation CSRZ-ASK Modulation Differential Phase Modulation Comparison of Different Optical Modulation Formats Multilevel Optical Transmitter Single Dual-Drive MZIM Transmitter for MADPSK MADPSK Optical Transmission Performance Evaluation Implementation of MADPSK Transmission Models System Modeling Transmitter Model Receiver Model Transmission Fiber and Dispersion Compensation Fiber Model Transmission Performance Signal Spectrum, Signal Constellation and Eye Diagram BER Evaluation ASK Sub-System Error Probability DQPSK Sub-System Error Probability Evaluation MADPSK System BER Evaluation Chromatic Dispersion Tolerance Critical Issues Noise Mechanism and Noise Effect on MADPSK Transmission Fiber Impairments Non-linear Effects on MADPSK Offset Detection Star 16-QAM Optical Transmission Introduction Design of 16-QAM Signal Constellation 277

8 Contents xiii Signal Constellation Optimum RR for Star Constellation Detection Methods Direct Detection Coherent Detection Homodyne Receiver Heterodyne Receiver Intradyne Receiver Star 16-QAM Format Transmitter Design Receiver for 16-star QAM Coherent Detection Receiver without Phase Estimation Coherent Detection Receiver with Phase Estimation Direct Detection Receiver Coherent Receiver without Phase Estimation Linear Channel Non-linear Effects Remarks Other Multilevel and Multi-subcarrier Modulation Formats for 100Gb/s Ethernet Transmission Remarks on Multilevel Modulation Optical Orthogonal Frequency Division Multiplexing (oofdm) [27] Gb/s 8-DPSK_2-ASK 16-Star QAM Introduction Configuration of 8-DPSK _ 2-ASK Optical Transmitter Configuration of 8-DPSK _ 2-ASK Detection Scheme Transmission Performance of 100Gb/s 8-DPSK_2-ASK Scheme Concluding Remarks Offset MADPSK Modulation Multi-level Amplitude-minimum Shift Keying (MAMSK) Modulation Star QAM Coherent Detection 303 References 304 Chapter 8 Frequency Discrimination Receiver for Optical MSK Operational Principles of ONFDR Receiver Modeling Receiver Design Bandwidth of the Optical Filter Center Frequency of the Optical Filter Selection of Optimal Values of Optical Delay Line Selection of Optimum Bandwidth and Center Frequency of Optical Frequency Discrimination Filters Receiver Performance Numerical Results Validating Receiver Design Robustness to Chromatic Dispersion of ONFDR Gb/s Transmission Dispersion Tolerance Gb/s Transmission 321

9 XIV Contents Robustness to Polarization Mode Dispersion (PMD) of ONFDR Resilience to Non-linearity (SPM) of ONFDR Transmission Limits of OFDR-based Optical MSK Systems Dual-level Optical Minimum Shift Keying (MSK) Generation Scheme Incoherent Detection Technique Optical Power Spectrum Receiver Sensitivity Remarks Remarks 329 References 329 Chapter 9 Partial Responses and Single-sideband Modulation Formats Partial Responses: Duo-Binary Modulation Formats Introduction The DBM Formatter Gb/s DB Optical Fiber Transmission Systems Electro-Optic Duo-Binary Transmitter The DuoB Encoder The External Modulator DuoB Transmitters and Pre-Coder Alternative Phase DB Transmitter Fiber Propagation Duo-Binary Direct Detection Receiver System Transmission and Performance The DB Encoder The Transmitter Transmission Performance Alternating Phase and Variable Pulse Width DuoB: Experimental Setup and Transmission Performance Transmission Setup Test-bed for Variable Pulse Width Alternating Phase Duo-Binary Modulation Optical Transmission Remarks DWDM VSB Modulation-format Optical Transmission Transmission System VSB Filtering and DWDM Channels Transmission Dispersion and Compensation Fibers Transmission Performance Effects of Channel Spacing on ß-Factor Effects of GVD on ß-factor Effects of Filter Pass-band on the ß-Factor Single Side Band Modulation Hubert Transform SSB MZ Modulator Simulation SSB Demodulator Simulation Concluding Remarks 379 References 379

10 Contents xv Chapter 10 Temporal Lens and Adaptive Electronic/Photonic Equalization Introduction Space-Time Duality and Equalization Space-Time Duality Paraxial Diffraction The Governing Non-linear Schrödinger (NLS) Equation Diffractive and Dispersive Phases Spatial Lens Time Lens Temporal Imaging Electro-optic Phase Modulator as a Time Lens Equalization in Transmission System Equalization with Sinusoidal Driven-Voltage Phase Modulator Equalization with Parabolic Driven-Voltage Phase Modulator Simulation of Transmission and Equalization Single Pulse Transmission Equalization of Second Order Dispersion Equalization of Third-Order Dispersion Pulse Train Transmission Second-Order Dispersion Equalization of Third-Order Dispersion Equalization of Timing Jitter and Polarization-Mode Dispersion Equalization in 160-Gb/s Transmission Systems System Overview System Configurations Experimental Setup Simulation Model Overview System Overview Transmitter Block Transmission Link De-multiplexer Equalizer System Errors Calculation Simulation Results Single Pulse Transmission Gb/s Transmission and Equalization Conclusions 420 References 421 Chapter 11 Electronic Signal Processing in Optical Transmission Systems Introduction Electronic Digital Processing Equalization System Representation of Equalized Transfer Function Generic Equalization Formulation Signal Representation and Channel Pure Phase Distortion 431

11 xvi Contents Equalizers at Receiver Equalizers at the Transmitter Equalization Shared Between Receiver and Transmitter Performance of FFE and DFE Impulse and Step Responses of the Single Mode Optical Fiber Electrical Linear Double Sampling Equalizers for Duobinary Modulation Formats for Optical Transmission Non-linear MLSE Equalizers for MSK Optical Transmission Systems Non-linear MLSE Trellis Structure and Viterbi Algorithm Trellis Structure Viterbi Algorithm Optical Fiber as a Finite State Machine Construction of State Trellis Structure MLSE Equalizer for Optical MSK Systems Configuration of MLSE Equalizer in OFDR MLSE Equalizer with Vitertic Algorithm MLSE Equalizer with Reduced-State Template Matching MLSE Scheme Performance Performance of MLSE Schemes in 40 Gb/s Transmission Transmission of 10Gb/s Optical MSK Signals Over 1472 km SSMF Uncompensated Optical Link Performance Limits of Viterbi-MLSE Equalizers Viterbi-MLSE Equalizers for PMD Mitigation On the Uncertainty and Transmission Limitation of Equalization Process Uncertainty in Optical Signal Transmission Uncertainty in ASK Modulation Optical Receiver without Equalization Uncertainty in MSK Optical Receiver with Equalization Electronic Dispersion Compensation of Modulation Formats Conclusions 477 References 478 Chapter 12 Optical Soliton Transmission Introduction Fundamentals of Non-linear Propagation Theory Numerical Approach Beam Propagation Method Analytical Approach Inverse Scattering Method Soliton N= 1 by Inverse Scattering Soliton N= 2 by Inverse Scattering Fundamental and Higher Order Solitons Soliton Evolution for N= 1, 2, 3, 4 and Soliton Breakdown Interaction of Fundamental Solitons Two Solitons Interaction with Different Pulse Separation Two Solitons Interaction with Different Relative Amplitude Two Solitons Interaction under Different Relative Phase Three Soliton Interaction with Different Relative Phase Three Solitons Interaction with Different Relative Phase and r=

12 Contents xvii 12.6 Soliton Pulse Transmission Systems and Inverse Scattering Method Inverse Scattering Method Revisited N-Solitons Solution (Explicit Formula) Special Case A =N N-Soliton Solutions (Asymptotic Form as x -> ± ) Bound States and Multiple Eigenvalues Interaction between Two Solitons in an Optical Fiber Soliton Pair with Initial Identical Phases Soliton Pair with Initial Equal Amplitudes Soliton Pair with Initial Unequal Amplitudes Design Strategy Generations of Solitons Generation of Bound-Solitons in Actively Phase Modulation Mode-Locked Fiber Ring Resonators Introduction Formation of Bound States in a FM Mode-Locked Fiber Laser Experimental Setup and Results Simulation of Dynamics of Bound States in a FM Mode-locked Fiber Laser Active Harmonic Mode-Locked Fiber Laser for Soliton Generation Experiment Setup Tunable Wavelength Harmonic Mode-locked Pulses Measurement of the Fundamental Frequency Effect of the Modulation Frequency Effect of the Modulation Depth/Index Effect of Fiber Ring Length Effect of Pump Power Remarks 530 References 531 Chapter 13 OFDM Optical Transmission Systems Introduction Principles of oofdm OFDM as a Multi-carrier Modulation Format FFT and IFFT Based OFDM Principles Optical OFDM Transmission Systems Impacts on Non-linear Modulation Effects on Optical OFDM Dispersion Tolerance Resilience to PMD Effects OFDM and DQPSK Formats for 100 Gb/s Ethernet Concluding Remarks 544 References 544 Chapter 14 Comparison of Modulations Formats for Long-Haul Optically Amplified Transmission Systems and Networks Identification of Modulation Features for Combating Impairment Effects Binary Digital Optical Signals 547

13 XVIII Contents M-ary Digital Optical Signals Multi Sub-carrier Digital Optical Signals Modulation Formats and Electronic Equalization Amplitude, Phase and Frequency Modulation Formats ASK and DPSK & DPSK and DQPSK Dispersion Sensitivity of Different Modulation Formats of ASK and DPSK NRZ-ASK and NRZ DPSK RZ-ASK and RZ-DPSK CSRZ ASK and CSRZ-DPSK ASK and DPSK Spectra ASK and DPSK in Long-Haul Transmission Non-linear Effects in ASK and DPSK in Long-Haul Transmission Performance of DWDM RZ-DPSK and CSRZ-DPSK Non-linear Effects on CSRZ-DPSK and RZ-DPSK Non-linear Effects on CSRZ-ASK and RZ-ASK Continuous Phase Versus Discrete Phase Shift Keying Multi Sub-carrier Versus Single/Dual Carrier Modulation Multi-level Versus Binary or IQ Modulation Single Sideband and Partial Response Modulation Modulation Formats and All-optical Networking Advanced Modulation Formats in Long-Haul Transmission Systems Advanced Modulation Formats in All-optical Networks Hybrid 40 Gb/s over 10 Gb/s Optical Networks: 328 km SSMF+DCF for 320 km Tx: Impact of Adjacent 10 G/40 G channels Ultra-fast Optical Networks OTDM Networking 563 References 564 Chapter 15 Index 567

Lecture 7 Fiber Optical Communication Lecture 7, Slide 1

Lecture 7 Fiber Optical Communication Lecture 7, Slide 1 Dispersion management Lecture 7 Dispersion compensating fibers (DCF) Fiber Bragg gratings (FBG) Dispersion-equalizing filters Optical phase conjugation (OPC) Electronic dispersion compensation (EDC) Fiber

More information

OFDM for Optical Communications

OFDM for Optical Communications OFDM for Optical Communications William Shieh Department of Electrical and Electronic Engineering The University of Melbourne Ivan Djordjevic Department of Electrical and Computer Engineering The University

More information

Optical Wireless Communications

Optical Wireless Communications Optical Wireless Communications System and Channel Modelling with MATLAB Z. Ghassemlooy W. Popoola S. Rajbhandari W CRC Press Taylor & Francis Croup Boca Raton London New York CRC Press is an imprint of

More information

Fiber-Optic Communication Systems

Fiber-Optic Communication Systems Fiber-Optic Communication Systems Second Edition GOVIND P. AGRAWAL The Institute of Optics University of Rochester Rochester, NY A WILEY-iNTERSCIENCE PUBLICATION JOHN WILEY & SONS, INC. NEW YORK / CHICHESTER

More information

Optical Complex Spectrum Analyzer (OCSA)

Optical Complex Spectrum Analyzer (OCSA) Optical Complex Spectrum Analyzer (OCSA) First version 24/11/2005 Last Update 05/06/2013 Distribution in the UK & Ireland Characterisation, Measurement & Analysis Lambda Photometrics Limited Lambda House

More information

CHAPTER 3 PERFORMANCE OF MODULATION FORMATS ON DWDM OPTICAL SYSTEMS

CHAPTER 3 PERFORMANCE OF MODULATION FORMATS ON DWDM OPTICAL SYSTEMS 67 CHAPTER 3 PERFORMANCE OF MODULATION FORMATS ON DWDM OPTICAL SYSTEMS 3.1 INTRODUCTION The need for higher transmission rate in Dense Wavelength Division optical systems necessitates the selection of

More information

Phase Noise Compensation for Coherent Orthogonal Frequency Division Multiplexing in Optical Fiber Communications Systems

Phase Noise Compensation for Coherent Orthogonal Frequency Division Multiplexing in Optical Fiber Communications Systems Jassim K. Hmood Department of Laser and Optoelectronic Engineering, University of Technology, Baghdad, Iraq Phase Noise Compensation for Coherent Orthogonal Frequency Division Multiplexing in Optical Fiber

More information

Next Generation Optical Communication Systems

Next Generation Optical Communication Systems Next-Generation Optical Communication Systems Photonics Laboratory Department of Microtechnology and Nanoscience (MC2) Chalmers University of Technology May 10, 2010 SSF project mid-term presentation Outline

More information

Next-Generation Optical Fiber Network Communication

Next-Generation Optical Fiber Network Communication Next-Generation Optical Fiber Network Communication Naveen Panwar; Pankaj Kumar & manupanwar46@gmail.com & chandra.pankaj30@gmail.com ABSTRACT: In all over the world, much higher order off modulation formats

More information

Performance Analysis Of Hybrid Optical OFDM System With High Order Dispersion Compensation

Performance Analysis Of Hybrid Optical OFDM System With High Order Dispersion Compensation Performance Analysis Of Hybrid Optical OFDM System With High Order Dispersion Compensation Manpreet Singh Student, University College of Engineering, Punjabi University, Patiala, India. Abstract Orthogonal

More information

Signal Conditioning Parameters for OOFDM System

Signal Conditioning Parameters for OOFDM System Chapter 4 Signal Conditioning Parameters for OOFDM System 4.1 Introduction The idea of SDR has been proposed for wireless transmission in 1980. Instead of relying on dedicated hardware, the network has

More information

Phase Modulator for Higher Order Dispersion Compensation in Optical OFDM System

Phase Modulator for Higher Order Dispersion Compensation in Optical OFDM System Phase Modulator for Higher Order Dispersion Compensation in Optical OFDM System Manpreet Singh 1, Karamjit Kaur 2 Student, University College of Engineering, Punjabi University, Patiala, India 1. Assistant

More information

Department of Electrical and Computer Systems Engineering

Department of Electrical and Computer Systems Engineering Department of Electrical and Computer Systems Engineering Technical Report MECSE-4-2005 DWDM Optically Amplified Transmission Systems - SIMULINK Models and Test-Bed: Part III DPSK L.N. Binh and Y.L.Cheung

More information

FWM Suppression in WDM Systems Using Advanced Modulation Formats

FWM Suppression in WDM Systems Using Advanced Modulation Formats FWM Suppression in WDM Systems Using Advanced Modulation Formats M.M. Ibrahim (eng.mohamed.ibrahim@gmail.com) and Moustafa H. Aly (drmosaly@gmail.com) OSA Member Arab Academy for Science, Technology and

More information

Performance Evaluation using M-QAM Modulated Optical OFDM Signals

Performance Evaluation using M-QAM Modulated Optical OFDM Signals Proc. of Int. Conf. on Recent Trends in Information, Telecommunication and Computing, ITC Performance Evaluation using M-QAM Modulated Optical OFDM Signals Harsimran Jit Kaur 1 and Dr.M. L. Singh 2 1 Chitkara

More information

Department of Electrical and Computer Systems Engineering

Department of Electrical and Computer Systems Engineering Department of Electrical and Computer Systems Engineering Technical Report MECSE-5-2005 SIMULINK Models for Advanced Optical Communications: Part IV- DQPSK Modulation Format L.N. Binh and B. Laville SIMULINK

More information

Investigation of Different Optical Modulation Schemes

Investigation of Different Optical Modulation Schemes Investigation of Different Optical Modulation Schemes A Dissertation submitted in partial fulfilment of the requirements for the award of the Degree of MASTER OF ENGINEERING IN ELECTRONICS AND COMMUNICATION

More information

SCIENCE CHINA Technological Sciences. A flexible multi-16qam transmitter based on cascaded dual-parallel Mach-Zehnder modulator and phase modulator

SCIENCE CHINA Technological Sciences. A flexible multi-16qam transmitter based on cascaded dual-parallel Mach-Zehnder modulator and phase modulator SCIENCE CHINA Technological Sciences RESEARCH PAPER March 2013 Vol.56 No.3: 598 602 doi: 10.1007/s11431-012-5115-z A flexible multi-16qam transmitter based on cascaded dual-parallel Mach-Zehnder modulator

More information

CodeSScientific. OCSim Modules 2018 version 2.0. Fiber Optic Communication System Simulations Software Modules with Matlab

CodeSScientific. OCSim Modules 2018 version 2.0. Fiber Optic Communication System Simulations Software Modules with Matlab CodeSScientific OCSim Modules 2018 version 2.0 Fiber Optic Communication System Simulations Software Modules with Matlab Use the Existing Modules for Research Papers, Research Projects and Theses Modify

More information

SHF Communication Technologies AG

SHF Communication Technologies AG SHF Communication Technologies AG Wilhelm-von-Siemens-Str. 23 Aufgang D 12277 Berlin Marienfelde Germany Phone ++49 30 / 772 05 10 Fax ++49 30 / 753 10 78 E-Mail: sales@shf.biz Web: http://www.shf.biz

More information

COHERENT DETECTION OPTICAL OFDM SYSTEM

COHERENT DETECTION OPTICAL OFDM SYSTEM 342 COHERENT DETECTION OPTICAL OFDM SYSTEM Puneet Mittal, Nitesh Singh Chauhan, Anand Gaurav B.Tech student, Electronics and Communication Engineering, VIT University, Vellore, India Jabeena A Faculty,

More information

CodeSScientific OCSim Modules Modern Fiber Optic Communication Systems Simulations With Advanced Level Matlab Modules APPLICATIONS

CodeSScientific OCSim Modules Modern Fiber Optic Communication Systems Simulations With Advanced Level Matlab Modules APPLICATIONS CodeSScientific OCSim Modules Modern Fiber Optic Communication Systems Simulations With Advanced Level Matlab Modules APPLICATIONS OCSim Modules** Modern Fiber Optic Communication Systems Simulations with

More information

Department of Electrical and Computer Systems Engineering

Department of Electrical and Computer Systems Engineering Department of Electrical and Computer Systems Engineering Technical Report MECSE-4-006 40Gb/s Amplitude and Phase Modulation Optical Fibre Transmission Systems L.N. Binh, H.S. Tiong and T.L. Huynh 40Gb/s

More information

Project: IEEE P Working Group for Wireless Personal Area Networks N

Project: IEEE P Working Group for Wireless Personal Area Networks N Project: IEEE P802.15 Working Group for Wireless Personal Area Networks N (WPANs( WPANs) Title: [VLC PHY Considerations] Date Submitted: [09 September 2008] Source: [Sang-Kyu Lim, Kang Tae-Gyu, Dae Ho

More information

Analytical Estimation in Differential Optical Transmission Systems Influenced by Equalization Enhanced Phase Noise

Analytical Estimation in Differential Optical Transmission Systems Influenced by Equalization Enhanced Phase Noise Analytical Estimation in Differential Optical Transmission Systems Influenced by Equalization Enhanced Phase Noise Tianhua Xu 1,*,Gunnar Jacobsen 2,3,Sergei Popov 2, Tiegen Liu 4, Yimo Zhang 4, and Polina

More information

ANALYSIS OF POSSIBLE UTILIZATION OF THE 16-QAM MODULATIONS FOR OPTICAL TRANSMISSION SYSTEMS. Pavol Šalík, Filip Čertík, Rastislav Róka

ANALYSIS OF POSSIBLE UTILIZATION OF THE 16-QAM MODULATIONS FOR OPTICAL TRANSMISSION SYSTEMS. Pavol Šalík, Filip Čertík, Rastislav Róka ANALYSIS OF POSSIBLE UTILIZATION OF THE 16-QAM MODULATIONS FOR OPTICAL TRANSMISSION SYSTEMS Pavol Šalík, Filip Čertík, Rastislav Róka Institute of Telecommunications, FEI, Slovak University of Technology

More information

A Technique to improve the Spectral efficiency by Phase shift keying modulation technique at 40 Gb/s in DWDM optical systems.

A Technique to improve the Spectral efficiency by Phase shift keying modulation technique at 40 Gb/s in DWDM optical systems. A Technique to improve the Spectral efficiency by Phase shift keying modulation technique at 40 Gb/s in DWDM optical systems. A.V Ramprasad and M.Meenakshi Reserach scholar and Assistant professor, Department

More information

Department of Electronics and Communication Engineering 1

Department of Electronics and Communication Engineering 1 UNIT I SAMPLING AND QUANTIZATION Pulse Modulation 1. Explain in detail the generation of PWM and PPM signals (16) (M/J 2011) 2. Explain in detail the concept of PWM and PAM (16) (N/D 2012) 3. What is the

More information

Performance Analysis of Direct Detection-Based Modulation Formats for WDM Long-Haul Transmission Systems Abstract 1.0 Introduction

Performance Analysis of Direct Detection-Based Modulation Formats for WDM Long-Haul Transmission Systems Abstract 1.0 Introduction Performance Analysis of Direct Detection-Based Modulation Formats for WDM Long-Haul Transmission Systems PRLightCOM Broadband Solutions Pvt. Ltd. Bangalore, Karnataka, INDIA Abstract During the last decade,

More information

Communication Systems

Communication Systems Electrical Engineering Communication Systems Comprehensive Theory with Solved Examples and Practice Questions Publications Publications MADE EASY Publications Corporate Office: 44-A/4, Kalu Sarai (Near

More information

All-Optical Signal Processing and Optical Regeneration

All-Optical Signal Processing and Optical Regeneration 1/36 All-Optical Signal Processing and Optical Regeneration Govind P. Agrawal Institute of Optics University of Rochester Rochester, NY 14627 c 2007 G. P. Agrawal Outline Introduction Major Nonlinear Effects

More information

Performance analysis of direct detection and coherent detection system for optical OFDM using QAM and DPSK

Performance analysis of direct detection and coherent detection system for optical OFDM using QAM and DPSK IOSR Journal of Engineering (IOSRJEN) e-issn: 2250-3021, p-issn: 2278-8719 Vol. 3, Issue 7 (July. 2013), V2 PP 24-29 Performance analysis of direct detection and coherent detection system for optical OFDM

More information

PERFORMANCE ENHANCEMENT OF 32 CHANNEL LONG HAUL DWDM SOLITON LINK USING ELECTRONIC DISPERSION COMPENSATION

PERFORMANCE ENHANCEMENT OF 32 CHANNEL LONG HAUL DWDM SOLITON LINK USING ELECTRONIC DISPERSION COMPENSATION International Journal of Electronics, Communication & Instrumentation Engineering Research and Development (IJECIERD) ISSN 2249-684X Vol. 2 Issue 4 Dec - 2012 11-16 TJPRC Pvt. Ltd., PERFORMANCE ENHANCEMENT

More information

40Gb/s Optical Transmission System Testbed

40Gb/s Optical Transmission System Testbed The University of Kansas Technical Report 40Gb/s Optical Transmission System Testbed Ron Hui, Sen Zhang, Ashvini Ganesh, Chris Allen and Ken Demarest ITTC-FY2004-TR-22738-01 January 2004 Sponsor: Sprint

More information

π code 0 Changchun,130000,China Key Laboratory of National Defense.Changchun,130000,China Keywords:DPSK; CSRZ; atmospheric channel

π code 0 Changchun,130000,China Key Laboratory of National Defense.Changchun,130000,China Keywords:DPSK; CSRZ; atmospheric channel 4th International Conference on Computer, Mechatronics, Control and Electronic Engineering (ICCMCEE 2015) Differential phase shift keying in the research on the effects of type pattern of space optical

More information

Research on the Modulation Performance in GPON System

Research on the Modulation Performance in GPON System TELKOMNIKA Indonesian Journal of Electrical Engineering Vol. 12, No. 10, October 2014, pp. 7304 ~ 7310 DOI: 10.11591/telkomnika.v12i8.5348 7304 Research on the Modulation Performance in GPON System Li

More information

Communication Systems

Communication Systems Electronics Engineering Communication Systems Comprehensive Theory with Solved Examples and Practice Questions Publications Publications MADE EASY Publications Corporate Office: 44-A/4, Kalu Sarai (Near

More information

OptiSystem. Optical Communication System and Amplifier Design Software

OptiSystem. Optical Communication System and Amplifier Design Software 4 Specific Benefits Overview In an industry where cost effectiveness and productivity are imperative for success, the award winning OptiSystem can minimize time requirements and decrease cost related to

More information

OptiSystem. Optical Communication System and Amplifier Design Software

OptiSystem. Optical Communication System and Amplifier Design Software SPECIFIC BENEFITS OVERVIEW In an industry where cost effectiveness and productivity are imperative for success, the award winning can minimize time requirements and decrease cost related to the design

More information

ADVANCED MODULATION FORMATS FOR HIGH-BIT-RATE OPTICAL NETWORKS

ADVANCED MODULATION FORMATS FOR HIGH-BIT-RATE OPTICAL NETWORKS ADVANCED MODULATION FORMATS FOR HIGH-BIT-RATE OPTICAL NETWORKS A Dissertation Presented to The Academic Faculty By Muhammad Haris In Partial Fulfillment of the Requirements for the Degree Doctor of Philosophy

More information

Analyzing the Non-Linear Effects in DWDM Optical Network Using MDRZ Modulation Format

Analyzing the Non-Linear Effects in DWDM Optical Network Using MDRZ Modulation Format Analyzing the Non-Linear Effects in DWDM Optical Network Using MDRZ Modulation Format Ami R. Lavingia Electronics & Communication Dept. SAL Institute of Technology & Engineering Research Gujarat Technological

More information

Communication Systems Modelling and Simulation

Communication Systems Modelling and Simulation Communication Systems Modelling and Simulation Using MATLAB and Simulink К С Raveendranathan Professor and Head Department of Electronics & Communication Engineering Government Engineering College Barton

More information

Chapter 4. Advanced Modulation Formats

Chapter 4. Advanced Modulation Formats Chapter 4 Advanced Modulation Formats 4.1 Introduction This chapter presents some of our previous work including 1: Experimental demonstration of the DQPSK signal generation using a dual-drive Mach-Zehnder

More information

Optical Measurements in 100 and 400 Gb/s Networks: Will Coherent Receivers Take Over? Fred Heismann

Optical Measurements in 100 and 400 Gb/s Networks: Will Coherent Receivers Take Over? Fred Heismann Optical Measurements in 100 and 400 Gb/s Networks: Will Coherent Receivers Take Over? Fred Heismann Chief Scientist Fiberoptic Test & Measurement Key Trends in DWDM and Impact on Test & Measurement Complex

More information

B SCITEQ. Transceiver and System Design for Digital Communications. Scott R. Bullock, P.E. Third Edition. SciTech Publishing, Inc.

B SCITEQ. Transceiver and System Design for Digital Communications. Scott R. Bullock, P.E. Third Edition. SciTech Publishing, Inc. Transceiver and System Design for Digital Communications Scott R. Bullock, P.E. Third Edition B SCITEQ PUBLISHtN^INC. SciTech Publishing, Inc. Raleigh, NC Contents Preface xvii About the Author xxiii Transceiver

More information

Photoneco white papers: Single-modulator RZ-DQPSK transmitter Description of the prior art

Photoneco white papers: Single-modulator RZ-DQPSK transmitter Description of the prior art Photoneco white papers: Single-modulator RZ-DQPSK transmitter Description of the prior art Optical fiber systems in their infancy used to waste bandwidth both in the optical and in the electrical domain

More information

ANALYSIS OF DISPERSION COMPENSATION IN A SINGLE MODE OPTICAL FIBER COMMUNICATION SYSTEM

ANALYSIS OF DISPERSION COMPENSATION IN A SINGLE MODE OPTICAL FIBER COMMUNICATION SYSTEM ANAYSIS OF DISPERSION COMPENSATION IN A SINGE MODE OPTICA FIBER COMMUNICATION SYSTEM Sani Abdullahi Mohammed 1, Engr. Yahya Adamu and Engr. Matthew Kwatri uka 3 1,,3 Department of Electrical and Electronics

More information

THE INVESTIGATION OF SUITABILITY OF VARIOUS LINE CODING TECHNIQUES FOR FIBER-OPTIC COMMUNICATION

THE INVESTIGATION OF SUITABILITY OF VARIOUS LINE CODING TECHNIQUES FOR FIBER-OPTIC COMMUNICATION THE INVESTIGATION OF SUITABILITY OF VARIOUS LINE CODING TECHNIQUES FOR FIBER-OPTIC COMMUNICATION Ashraf Ahmad Adam and Habibu Hussaini Department of Electrical and Electronics Engineering, Federal University

More information

60 Gbit/s 64 QAM-OFDM coherent optical transmission with a 5.3 GHz bandwidth

60 Gbit/s 64 QAM-OFDM coherent optical transmission with a 5.3 GHz bandwidth 60 Gbit/s 64 QAM-OFDM coherent optical transmission with a 5.3 GHz bandwidth Tatsunori Omiya a), Seiji Okamoto, Keisuke Kasai, Masato Yoshida, and Masataka Nakazawa Research Institute of Electrical Communication,

More information

Department of Electrical and Computer Systems Engineering

Department of Electrical and Computer Systems Engineering Department of Electrical and Computer Systems Engineering Technical Report MECSE-3-2005 DWDM Advanced Optical Communication Simulink Models: Part I Optical Spectra L.N Binh and Y.L. Cheung DWDM ADVANCED

More information

Mitigation of Chromatic Dispersion using Different Compensation Methods in Optical Fiber Communication: A Review

Mitigation of Chromatic Dispersion using Different Compensation Methods in Optical Fiber Communication: A Review Volume-4, Issue-3, June-2014, ISSN No.: 2250-0758 International Journal of Engineering and Management Research Available at: www.ijemr.net Page Number: 21-25 Mitigation of Chromatic Dispersion using Different

More information

40Gb/s & 100Gb/s Transport in the WAN Dr. Olga Vassilieva Fujitsu Laboratories of America, Inc. Richardson, Texas

40Gb/s & 100Gb/s Transport in the WAN Dr. Olga Vassilieva Fujitsu Laboratories of America, Inc. Richardson, Texas 40Gb/s & 100Gb/s Transport in the WAN Dr. Olga Vassilieva Fujitsu Laboratories of America, Inc. Richardson, Texas All Rights Reserved, 2007 Fujitsu Laboratories of America, Inc. Outline Introduction Challenges

More information

Proposal of A Star-16QAM System Based on Intersymbol Interference (ISI) Suppression and Coherent Detection

Proposal of A Star-16QAM System Based on Intersymbol Interference (ISI) Suppression and Coherent Detection Proposal of A Star-16QAM System Based on Intersymbol Interference (ISI) Suppression and Coherent Detection Liang Zhang, Xiaofeng Hu, Tao Wang, Qi Liu, Yikai Su State Key Lab of Advanced Optical Communication

More information

Performance analysis of OFDM with QPSK using AWGN and Rayleigh Fading Channel

Performance analysis of OFDM with QPSK using AWGN and Rayleigh Fading Channel Performance analysis of OFDM with QPSK using AWGN and Rayleigh Fading Channel 1 V.R.Prakash* (A.P) Department of ECE Hindustan university Chennai 2 P.Kumaraguru**(A.P) Department of ECE Hindustan university

More information

Study of Advanced Intensity and Phase Modulation Formats for Is-OWC DWDM System

Study of Advanced Intensity and Phase Modulation Formats for Is-OWC DWDM System Study of Advanced Intensity and Phase Modulation Formats for Is-OWC DWDM System Harjasleen Kaur 1, Harmandar Kaur 2 1 Student, GNDU R.C. Jalandhar 2 Assistant Professor, GNDU R.C. Jalandhar Abstract Use

More information

Digital Communication Systems Engineering with

Digital Communication Systems Engineering with Digital Communication Systems Engineering with Software-Defined Radio Di Pu Alexander M. Wyglinski ARTECH HOUSE BOSTON LONDON artechhouse.com Contents Preface xiii What Is an SDR? 1 1.1 Historical Perspective

More information

SIMULATIVE INVESTIGATION OF SINGLE-TONE ROF SYSTEM USING VARIOUS DUOBINARY MODULATION FORMATS

SIMULATIVE INVESTIGATION OF SINGLE-TONE ROF SYSTEM USING VARIOUS DUOBINARY MODULATION FORMATS SIMULATIVE INVESTIGATION OF SINGLE-TONE ROF SYSTEM USING VARIOUS DUOBINARY MODULATION FORMATS Namita Kathpal 1 and Amit Kumar Garg 2 1,2 Department of Electronics & Communication Engineering, Deenbandhu

More information

40 Gb/s and 100 Gb/s Ultra Long Haul Submarine Systems

40 Gb/s and 100 Gb/s Ultra Long Haul Submarine Systems 4 Gb/s and 1 Gb/s Ultra Long Haul Submarine Systems Jamie Gaudette, John Sitch, Mark Hinds, Elizabeth Rivera Hartling, Phil Rolle, Robert Hadaway, Kim Roberts [Nortel], Brian Smith, Dean Veverka [Southern

More information

PRINCIPLES OF COMMUNICATIONS

PRINCIPLES OF COMMUNICATIONS PRINCIPLES OF COMMUNICATIONS Systems, Modulation, and Noise SIXTH EDITION INTERNATIONAL STUDENT VERSION RODGER E. ZIEMER University of Colorado at Colorado Springs WILLIAM H. TRANTER Virginia Polytechnic

More information

Optical Signal Processing

Optical Signal Processing Optical Signal Processing ANTHONY VANDERLUGT North Carolina State University Raleigh, North Carolina A Wiley-Interscience Publication John Wiley & Sons, Inc. New York / Chichester / Brisbane / Toronto

More information

Performance of Coherent Optical OFDM in WDM System Based on QPSK and 16-QAM Modulation through Super channels

Performance of Coherent Optical OFDM in WDM System Based on QPSK and 16-QAM Modulation through Super channels International Journal of Engineering and Technology Volume 5 No. 3,March, 2015 Performance of Coherent Optical OFDM in WDM System Based on QPSK and 16-QAM Modulation through Super channels Laith Ali Abdul-Rahaim

More information

A NOVEL SCHEME FOR OPTICAL MILLIMETER WAVE GENERATION USING MZM

A NOVEL SCHEME FOR OPTICAL MILLIMETER WAVE GENERATION USING MZM A NOVEL SCHEME FOR OPTICAL MILLIMETER WAVE GENERATION USING MZM Poomari S. and Arvind Chakrapani Department of Electronics and Communication Engineering, Karpagam College of Engineering, Coimbatore, Tamil

More information

Study of physical layer impairments in high speed optical networks. Mohsan Niaz Chughtai

Study of physical layer impairments in high speed optical networks. Mohsan Niaz Chughtai Study of physical layer impairments in high speed optical networks. Mohsan Niaz Chughtai Licentiate Thesis in Communication Systems Stockholm, Sweden 2012 TRITA: ICT-COS-1204 ISSN: 1653-6347 ISRN: KTH/COS/R--12/04

More information

ECEN689: Special Topics in Optical Interconnects Circuits and Systems Spring 2016

ECEN689: Special Topics in Optical Interconnects Circuits and Systems Spring 2016 ECEN689: Special Topics in Optical Interconnects Circuits and Systems Spring 016 Lecture 7: Transmitter Analysis Sam Palermo Analog & Mixed-Signal Center Texas A&M University Optical Modulation Techniques

More information

Network Challenges for Coherent Systems. Mike Harrop Technical Sales Engineering, EXFO

Network Challenges for Coherent Systems. Mike Harrop Technical Sales Engineering, EXFO Network Challenges for Coherent Systems Mike Harrop Technical Sales Engineering, EXFO Agenda 1. 100G Transmission Technology 2. Non Linear effects 3. RAMAN Amplification 1. Optimsing gain 2. Keeping It

More information

Wireless Communication Fading Modulation

Wireless Communication Fading Modulation EC744 Wireless Communication Fall 2008 Mohamed Essam Khedr Department of Electronics and Communications Wireless Communication Fading Modulation Syllabus Tentatively Week 1 Week 2 Week 3 Week 4 Week 5

More information

Prabhjeet Singh a, Narwant Singh b, Amandeep Singh c

Prabhjeet Singh a, Narwant Singh b, Amandeep Singh c ISSN : 2250-3021 Investigation of DWDM System for Different Modulation Formats Prabhjeet Singh a, Narwant Singh b, Amandeep Singh c a B.G.I.E.T. Sangrur, India b G.N.D.E.C. Ludhiana, India c R.I.E.T, Ropar,

More information

80 GBPS DOWNSTREAM TRANSMISSION USING DQPSK AND 40 GBPS UPSTREAM TRANSMISSION USING IRZ/OOK MODULATION IN BIDIRECTIONAL WDM-PON

80 GBPS DOWNSTREAM TRANSMISSION USING DQPSK AND 40 GBPS UPSTREAM TRANSMISSION USING IRZ/OOK MODULATION IN BIDIRECTIONAL WDM-PON International Journal of Electronics and Communication Engineering and Technology (IJECET) Volume 7, Issue 6, November-December 2016, pp. 65 71, Article ID: IJECET_07_06_009 Available online at http://www.iaeme.com/ijecet/issues.asp?jtype=ijecet&vtype=7&itype=6

More information

Optical Modulation for High Bit Rate Transport Technologies

Optical Modulation for High Bit Rate Transport Technologies Optical Modulation for High Bit Rate Transport Technologies By Ildefonso M. Polo I October, 2009 Technology Note Scope There are plenty of highly technical and extremely mathematical articles published

More information

Performance Limitations of WDM Optical Transmission System Due to Cross-Phase Modulation in Presence of Chromatic Dispersion

Performance Limitations of WDM Optical Transmission System Due to Cross-Phase Modulation in Presence of Chromatic Dispersion Performance Limitations of WDM Optical Transmission System Due to Cross-Phase Modulation in Presence of Chromatic Dispersion M. A. Khayer Azad and M. S. Islam Institute of Information and Communication

More information

Lecture 3: Wireless Physical Layer: Modulation Techniques. Mythili Vutukuru CS 653 Spring 2014 Jan 13, Monday

Lecture 3: Wireless Physical Layer: Modulation Techniques. Mythili Vutukuru CS 653 Spring 2014 Jan 13, Monday Lecture 3: Wireless Physical Layer: Modulation Techniques Mythili Vutukuru CS 653 Spring 2014 Jan 13, Monday Modulation We saw a simple example of amplitude modulation in the last lecture Modulation how

More information

Implementation and analysis of 2 Tbps MDRZ DWDM system at ultra narrow channel spacing

Implementation and analysis of 2 Tbps MDRZ DWDM system at ultra narrow channel spacing Implementation and analysis of 2 Tbps MDRZ DWDM system at ultra narrow channel spacing 1 Ragini Sharma, 2 Kamaldeep Kaur 1 Student, 2 Assistant Professor Department of Electrical Engineering BBSBEC, Fatehgarh

More information

Coherent Optical OFDM System or Long-Haul Transmission

Coherent Optical OFDM System or Long-Haul Transmission Coherent Optical OFDM System or Long-Haul Transmission Simarjit Singh Saini Department of Electronics and Communication Engineering, Guru Nanak Dev University, Regional Campus, Gurdaspur, Punjab, India

More information

Optical Fibers p. 1 Basic Concepts p. 1 Step-Index Fibers p. 2 Graded-Index Fibers p. 4 Design and Fabrication p. 6 Silica Fibers p.

Optical Fibers p. 1 Basic Concepts p. 1 Step-Index Fibers p. 2 Graded-Index Fibers p. 4 Design and Fabrication p. 6 Silica Fibers p. Preface p. xiii Optical Fibers p. 1 Basic Concepts p. 1 Step-Index Fibers p. 2 Graded-Index Fibers p. 4 Design and Fabrication p. 6 Silica Fibers p. 6 Plastic Optical Fibers p. 9 Microstructure Optical

More information

EXPERIMENT WISE VIVA QUESTIONS

EXPERIMENT WISE VIVA QUESTIONS EXPERIMENT WISE VIVA QUESTIONS Pulse Code Modulation: 1. Draw the block diagram of basic digital communication system. How it is different from analog communication system. 2. What are the advantages of

More information

Polarization Mode Dispersion Aspects for Parallel and Serial PHY

Polarization Mode Dispersion Aspects for Parallel and Serial PHY Polarization Mode Dispersion Aspects for Parallel and Serial PHY IEEE 802.3 High-Speed Study Group November 13-16, 2006 Marcus Duelk Bell Labs / Lucent Technologies duelk@lucent.com Peter Winzer Bell Labs

More information

KINGS COLLEGE OF ENGINEERING DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING QUESTION BANK

KINGS COLLEGE OF ENGINEERING DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING QUESTION BANK KINGS COLLEGE OF ENGINEERING DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING QUESTION BANK SUB.NAME : COMMUNICATION THEORY SUB.CODE: EC1252 YEAR : II SEMESTER : IV UNIT I AMPLITUDE MODULATION SYSTEMS

More information

Performance Analysis of Chromatic Dispersion Compensation of a Chirped Fiber Grating on a Differential Phase-shift-keyed Transmission

Performance Analysis of Chromatic Dispersion Compensation of a Chirped Fiber Grating on a Differential Phase-shift-keyed Transmission Journal of the Optical Society of Korea Vol. 13, No. 1, March 2009, pp. 107-111 DOI: 10.3807/JOSK.2009.13.1.107 Performance Analysis of Chromatic Dispersion Compensation of a Chirped Fiber Grating on a

More information

Spectrally Compact Optical Subcarrier Multiplexing with 42.6 Gbit/s AM-PSK Payload and 2.5Gbit/s NRZ Labels

Spectrally Compact Optical Subcarrier Multiplexing with 42.6 Gbit/s AM-PSK Payload and 2.5Gbit/s NRZ Labels Spectrally Compact Optical Subcarrier Multiplexing with 42.6 Gbit/s AM-PSK Payload and 2.5Gbit/s NRZ Labels A.K. Mishra (1), A.D. Ellis (1), D. Cotter (1),F. Smyth (2), E. Connolly (2), L.P. Barry (2)

More information

Nonlinear Effects Compensation in Optical Coherent PDM-QPSK Systems

Nonlinear Effects Compensation in Optical Coherent PDM-QPSK Systems 707 Nonlinear Effects Compensation in Optical Coherent PDM-QPSK Systems Eduardo S. Rosa 1*,Victor E. S. Parahyba 1, Júlio C. M. Diniz 1, Vitor B. Ribeiro 1 and Júlio C. R. F. Oliveira 1 CPqD Foundation

More information

PSO-200 OPTICAL MODULATION ANALYZER

PSO-200 OPTICAL MODULATION ANALYZER PSO-200 OPTICAL MODULATION ANALYZER Future-proof characterization of any optical signal SPEC SHEET KEY FEATURES All-optical design providing the effective bandwidth to properly characterize waveforms and

More information

Table 10.2 Sensitivity of asynchronous receivers. Modulation Format Bit-Error Rate N p. 1 2 FSK heterodyne. ASK heterodyne. exp( ηn p /2) 40 40

Table 10.2 Sensitivity of asynchronous receivers. Modulation Format Bit-Error Rate N p. 1 2 FSK heterodyne. ASK heterodyne. exp( ηn p /2) 40 40 10.5. SENSITIVITY DEGRADATION 497 Table 10.2 Sensitivity of asynchronous receivers Modulation Format Bit-Error Rate N p N p ASK heterodyne 1 2 exp( ηn p /4) 80 40 FSK heterodyne 1 2 exp( ηn p /2) 40 40

More information

SUBMARINE SYSTEM UPGRADES WITH 25 GHZ CHANNEL SPACING USING DRZ AND RZ-DPSK MODULATION FORMATS

SUBMARINE SYSTEM UPGRADES WITH 25 GHZ CHANNEL SPACING USING DRZ AND RZ-DPSK MODULATION FORMATS SUBMARINE SYSTEM UPGRADES WITH 25 GHZ CHANNEL SPACING USING DRZ AND RZ-DPSK MODULATION FORMATS Jiping Wen, Chunmei Yu, Tiegang Zhou, Xiaoyan Fan, Liping Ma (Huawei Marine Networks Co Ltd) Email:

More information

Light Polarized Coherent OFDM Free Space Optical System

Light Polarized Coherent OFDM Free Space Optical System International Journal of Information & Computation Technology. ISSN 0974-2239 Volume 4, Number 14 (2014), pp. 1367-1372 International Research Publications House http://www. irphouse.com Light Polarized

More information

The secondary MZM used to modulate the quadrature phase carrier produces a phase shifted version:

The secondary MZM used to modulate the quadrature phase carrier produces a phase shifted version: QAM Receiver 1 OBJECTIVE Build a coherent receiver based on the 90 degree optical hybrid and further investigate the QAM format. 2 PRE-LAB In the Modulation Formats QAM Transmitters laboratory, a method

More information

Global Consumer Internet Traffic

Global Consumer Internet Traffic Evolving Optical Transport Networks to 100G Lambdas and Beyond Gaylord Hart Infinera Abstract The cable industry is beginning to migrate to 100G core optical transport waves, which greatly improve fiber

More information

SPM mitigation in 16-ary amplitude-anddifferential-phase. transmission systems

SPM mitigation in 16-ary amplitude-anddifferential-phase. transmission systems SPM mitigation in 16-ary amplitude-anddifferential-phase shift keying long-haul optical transmission systems Dung Dai Tran and Arthur J. Lowery* Department of Electrical & Computer Systems Engineering,

More information

Comparison of Advance Data Modulation Formats in 4 10Gbps WDM Optical Communication System using YDFA, EDFA and Raman Amplifier

Comparison of Advance Data Modulation Formats in 4 10Gbps WDM Optical Communication System using YDFA, EDFA and Raman Amplifier Comparison of Advance Data Modulation Formats in 4 10Gbps WDM Optical Communication System using YDFA, EDFA and Raman Amplifier Simranjeet Singh Department of Electronics and Communication Engineering,

More information

Design of Ultra High Capacity DWDM System with Different Modulation Formats

Design of Ultra High Capacity DWDM System with Different Modulation Formats Design of Ultra High Capacity DWDM System with Different Modulation Formats A. Nandhini 1, K. Gokulakrishnan 2 1 PG Scholar, Department of Electronics & Communication Engineering, Regional Center, Anna

More information

Comparison of BER for Various Digital Modulation Schemes in OFDM System

Comparison of BER for Various Digital Modulation Schemes in OFDM System ISSN: 2278 909X Comparison of BER for Various Digital Modulation Schemes in OFDM System Jaipreet Kaur, Hardeep Kaur, Manjit Sandhu Abstract In this paper, an OFDM system model is developed for various

More information

QUESTION BANK SUBJECT: DIGITAL COMMUNICATION (15EC61)

QUESTION BANK SUBJECT: DIGITAL COMMUNICATION (15EC61) QUESTION BANK SUBJECT: DIGITAL COMMUNICATION (15EC61) Module 1 1. Explain Digital communication system with a neat block diagram. 2. What are the differences between digital and analog communication systems?

More information

JOURNAL OF LIGHTWAVE TECHNOLOGY, VOL. 29, NO. 21, NOVEMBER 1, Impact of Channel Count and PMD on Polarization-Multiplexed QPSK Transmission

JOURNAL OF LIGHTWAVE TECHNOLOGY, VOL. 29, NO. 21, NOVEMBER 1, Impact of Channel Count and PMD on Polarization-Multiplexed QPSK Transmission JOURNAL OF LIGHTWAVE TECHNOLOGY, VOL. 29, NO. 21, NOVEMBER 1, 2011 3223 Impact of Channel Count and PMD on Polarization-Multiplexed QPSK Transmission C. Xia, W. Schairer, A. Striegler, L. Rapp, M. Kuschnerov,

More information

Digital back-propagation for spectrally efficient WDM 112 Gbit/s PM m-ary QAM transmission

Digital back-propagation for spectrally efficient WDM 112 Gbit/s PM m-ary QAM transmission Digital back-propagation for spectrally efficient WDM 112 Gbit/s PM m-ary QAM transmission Danish Rafique,* Jian Zhao, and Andrew D. Ellis Photonics Systems Group, Tyndall National Institute and Department

More information

Performance Analysis of 112 Gb/s PDM- DQPSK Optical System with Frequency Swept Coherent Detected Spectral Amplitude Labels

Performance Analysis of 112 Gb/s PDM- DQPSK Optical System with Frequency Swept Coherent Detected Spectral Amplitude Labels , June 29 - July 1, 2016, London, U.K. Performance Analysis of 112 Gb/s PDM- DQPSK Optical System with Frequency Swept Coherent Detected Spectral Amplitude Labels Aboagye Isaac Adjaye, Chen Fushen, Cao

More information

Electronic Post-Compensation of Optical Fiber Nonlinearity in High-Speed Long-Haul Wavelength Division Multiplexed Transmission Systems

Electronic Post-Compensation of Optical Fiber Nonlinearity in High-Speed Long-Haul Wavelength Division Multiplexed Transmission Systems Electronic Post-Compensation of Optical Fiber Nonlinearity in High-Speed Long-Haul Wavelength Division Multiplexed Transmission Systems A THESIS SUBMITTED TO THE FACULTY OF THE GRADUATE SCHOOL OF THE UNIVERSITY

More information

Effects of Polarization Tracker on 80 and 112 Gb/s PDM-DQPSK with Spectral Amplitude Code Labels

Effects of Polarization Tracker on 80 and 112 Gb/s PDM-DQPSK with Spectral Amplitude Code Labels , July 5-7, 2017, London, U.K. Effects of Polarization Tracker on 80 and 112 Gb/s PDM-DQPSK with Spectral Amplitude Code Labels Aboagye Adjaye Isaac, Fushen Chen, Yongsheng Cao, Deynu Faith Kwaku Abstract

More information

Simulation of Negative Influences on the CWDM Signal Transmission in the Optical Transmission Media

Simulation of Negative Influences on the CWDM Signal Transmission in the Optical Transmission Media Simulation of Negative Influences on the CWDM Signal Transmission in the Optical Transmission Media Rastislav Róka, Martin Mokráň and Pavol Šalík Abstract This lecture is devoted to the simulation of negative

More information

40Gb/s Coherent DP-PSK for Submarine Applications

40Gb/s Coherent DP-PSK for Submarine Applications 4Gb/s Coherent DP-PSK for Submarine Applications Jamie Gaudette, Elizabeth Rivera Hartling, Mark Hinds, John Sitch, Robert Hadaway Email: Nortel, 3 Carling Ave., Ottawa, ON, Canada

More information

International Journal of Advancements in Research & Technology, Volume 2, Issue 11, November ISSN

International Journal of Advancements in Research & Technology, Volume 2, Issue 11, November ISSN International Journal of Advancements in Research & Technology, Volume 2, Issue 11, November-2013 72 PHASE-SHIFT MODULATION FORMATS IN OPTICAL COMMUNICATION SYSTEM Shashi Jawla 1, R.K.Singh 2 Department

More information

Department of Electrical and Computer Systems Engineering

Department of Electrical and Computer Systems Engineering Department of Electrical and Computer Systems Engineering Technical Report MECSE-25-2004 Multi-level Linecoding for Ultra-high Speed Long-haul Optical Fibre Communications Systems LN Binh and D. Perera

More information