Combining Component Characterization and Simulation to Enable the Next Generation Optical Network
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1 Combining Component Characterization and Simulation to Enable the Next Generation Optical Network A Luna Technologies Webinar Cosponsored by RSoft Design Group
2 Luna Technologies: Dr. Brian Soller - Director Ed Valigursky - VP Sales RSoft Dr. Gary Shaulov - Senior Scientist Jigesh K. Patel - Senior Applications Engineer
3 Agenda Marketplace Overview Issues, Means, Impact Optical Vector Analysis Live Demo Network Simulation Example With Optsim RSoft Overview Luna Technologies Overview Questions and Wrap-Up
4 Marketplace Overview Margins have eroded Things are turning up Cost cutting techniques and efficiencies are the keys to success Techniques need to be quickly and easily ported into R&D and manufacturing Challenges New specifications (GD, CD, PMD, SOPMD) Customers are pushing back test on suppliers Sampling lengthens the sales cycle More complicated designs and tunable devices
5 Component Test: Issues Long list of required measurements IL, RL, PDL, CD, GD, PMD, SOPMD, etc. Extremely tight parametric specifications IL/PDL 0.01 db accuracy with 60 db D.R. GD/PMD 50 fs accuracy with 40 db D.R. Narrow λ resolution and accuracy Resolution < 1pm, accuracy ~ 1pm High channel count with multiple in/out ports (100 +) Multiple operational states per channel (add/drop, dynamic gain, etc.) IL (db) wavelength (nm)
6 Component Test: Means Light source (laser, broad band) Polarization controller Modulator (for dispersion) Detectors/Power meters Optical spectrum analyzer Multiple instruments/connects & disconnects Long test times due to multiple techniques
7 Component Test: Impact Increased man hours Elongated test times on multiple, slow test-sets Increased fiber and component handling Multiple people required to manage test stations Increased investment dollars Multiple, expensive stations required Maintenance and upkeep is expensive Time of test translates to cost Customer returns and bad yields
8 The Luna Solution: The Optical Vector Analyzer Industry s first all parameter analyzer for fiber components and modules Industry s only completely integrated solution for Loss, Dispersion, PDL, PMD, etc. More comprehensive testing and inspection in less time
9 Optical Vector Analysis H ( ω ) A( ω ) B ( ω ) = C ( ω ) D ( ω ) DUT is completely characterized by four independent complex functions. From H(ω), calculate IL, PDL, GD, CD, PMD, etc.
10 The Result Dramatic design and manufacturing cost reduction Greatly increased speed of test Complete measurement integration Ultimate accuracy and resolution Ease of use
11 Measurement Example: Tunable Filter
12 Laser Interferometry TLS τ p τ DUT ADC PBS Laser is frequency tuned Four elements of transfer function are measured simultaneously for every λ
13 OVAe Product Highlights All Parameter Analysis - Obtain all parameters in a single scan Exclusive Linear Transfer Function Measurement See true component performance in terms of EOP and BER Industry Leading Speed - Fully specified measurements for all parameters over C-band in 15 seconds Industry leading Accuracy No compromising accuracy for speed World Class Support Team
14 Outcome Time Saves time in all stages of the test cycle Increases overall efficiency Time of test down by 85% Design cycles reduced by 60% Money Saves Hard Dollars in yield loss Saves in cap-ex Saves in labor Cost-of-test from 18% to <4% of COGS Customer returns from 30% down to <1% Creates testing differentiator for the product
15 Introduction to OptSim Motivation using simulation tools Reduced costs and time to market Flexibility of estimating device performance under a variety of design objectives Unique features of OptSim Virtual laboratory with over 600 available components and fibers Fast learning curve, intuitive user interface Twin Simulation Engines: Block-Mode and Sample-Mode User-friendly MATLAB interface with full co-simulation feature Interfaces with laboratory test equipment: Luna Technologies Optical Vector Analyzer (OVA) and others
16 OptSim TM : Typical Applications DWDM/CWDM amplified systems Back-haul, metro core, and access optical networks P2P, P2M, M2M, mesh, and ring network architectures Ultra long-haul terrestrial and submarine systems FTTx/PON systems OTDM/OCDMA systems CATV Digital/Analog systems Optical LANs 1 and 10 Gigabit Ethernet Optical interconnects Soliton systems Free-space optics (FSO) systems
17 Luna OVA to OptSim Interface Jones Matrix vs. wavelength Linear Transfer Function Completely characterizes the device, from which Insertion Loss, Return Loss, Polarization Dependent Loss, Group Delay, Differential Group Delay, Chromatic Dispersion, Polarization Mode Dispersion (PMD), wavelength response can be extracted E E x, out y, out ( ω) ( ω) = J J ( ω) ( ω) ( ω) E ( ω) E ( ω) ( ω) OptSim accepts the LTF file data to completely characterize the device in system simulations Evaluate system performance of measured component Compare simulations using different measured components to determine effect of component variations on system performance Optimize system design for actual component characteristics J J x, in y, in
18 Measured Data Dispersion Compensating Grating
19 Linear Transfer Function Analysis OptSim model reads Luna OVA measurement data and loads it to use for system simulation
20 Simulation Example 1: FBG (-ve dispersion) Device under Test Fiber Bragg Grating with negative dispersion slope and total dispersion about 800 ps/nm
21 Dispersion Compensation Example Transmitter: 10 Gbps NRZ externally modulated, nm Output from transmitter goes to device under test FBG Output from FBG goes to 45 km of SMF-28 fiber with 17 ps/nm/km dispersion at 1550nm FBG acts as dispersion pre-compensation
22 Simulation Example 2: FBG (+ dispersion) FBG with positive dispersion - post-compensation example
23 Conclusion Ensuring QoS requires design validations using advanced simulation technologies, like OptSim, at the physical layer Accurate device modeling requires highresolution measurement of performance parameters, like those obtained from Luna Optical Vector Analyzer (OVA) Interface between Luna OVA and OptSim optical communication system simulation software provides added value to both component test & measurement, and network modeling, simulation, and design.
24 About RSoft Leader in Photonic Design and Simulation Software Founded in 1991 Headquarters: Ossining, NY US Locations: Chicago, IL and Milpitas, CA International Locations: U.K. and Japan International Distributors: - Italy - France - Australia - China - Taiwan - Korea - Singapore - India - Israel Industrial Consortium/Collaboration: - PCAD: photonic devices and systems - DataPipe: low cost high-performance optical data-links - Advanced Laser Manufacturing: Design automation for lasers - Navy SBIR for Fiber Optic Simulation: Systems for 10Gb Ethernet
25 RSoft Design Group Product Family BeamPROP FullWAVE BandSOLVE GratingMOD DiffractMOD LaserMOD FemSIM MOST Component Suppliers Research Institutions BroadbandSWAT WirelessSWAT Service Providers Consultants Investors Carriers Systems Integrators Equipment Vendors OptSim ModeSYS EDFA for Vendors Component Suppliers Equipment Vendors Artifex MetroWAND
26 Contact Information RSoft Design Group 400 Executive Boulevard, Suite 100 Ossining, NY Phone: (914) Fax: (914)
27 About Luna Luna Innovations commercializes technology in advanced materials, life sciences, sensing and industrial instrumentation Founded 1992 with six VA locations Luna Technologies, a division of Luna Innovations: Focused on measurement instrumentation for fiber-optic components and subsystems World headquarters in Blacksburg, VA World-wide sales offices and representation
28 Need More Information? Contact: (540) Sales: (770)
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