Advanced Amplification Technologies for Optical Mesh Networking Per Hansen, VP Product Marketing

Transcription

1 Advanced Amplification Technologies for Optical Mesh etworking Per Hansen, VP Product Marketing Market Focus ECOC 203 Sept 24, Oclaro, Inc.

2 Agenda Today s network efficiency challenges et generation network architecture Attributes The roles of amplifiers Advanced amplifier solutions Hybrid and Raman amplifiers Reconfigurable amplifiers Arrayed amplifiers Micro amplifiers Summary Oclaro, Inc.

3 Today s Core Optical Layer st Gen ROADM Core Mesh etwork Int. gateway Optical Mesh etwork Long-haul Int. gateway Ultra-Long haul #2 #L- Long haul Metro ring Access Collector ring (low-density) # Metro/reg. ring Metro/reg. mesh #L Regional Metro U I V E R S I T Y Enterprise services Access Multi-tenant services Add/Drop Base station Connection Often Colored and al Ports Scalable to 00G CPE Oclaro, Inc.

4 IP traffic [EB] Monthly cost etwork Operators Service Challenges Service pricing does not support the traffic growth Projected IP traffic growth* ew York - Los Angeles 0G Service** 40,000 $25,000 20,000 00,000 $20,000 80,000 $5,000 60,000 $0,000 40,000 20,000 $5, $0 Q Q4 200 Q4 20 Q4 202 Service velocity is growing CAGR: +23% CAGR: -23% Rapid growth in datacenter connectivity Higher competition on just-in-time service delivery and self-serve *: Cisco Visual etwork Inde **: Courtesy of Alan Mauldin, Telegeography Oclaro, Inc.

5 Service Provider Spending Total of 36 Service Providers in 202 (35% - 40% of all service providers globally) Description Amount Fraction Revenue $689bn 00% Cape $26bn 8.3% Ope $45bn 65.5% Considering only network/it related epenses Ope/Cape ratio is ~.25 Courtesy of Matt Walker, Ovum eed to consider both Cape, incl. options for higher asset utility, and ope reductions Oclaro, Inc.

6 et Generation Optical etwork Attributes etwork scalability Larger single-domain mesh networks Higher data rates and network capacity Greater fleibility in optical layer Reconfiguration of paths Fleible grid Data rate adaption to service and reach Key major building blocks Transceivers Optical switches Amplifiers Vertical control plane integration Oclaro, Inc.

7 A More Intelligent and Dynamic Core Optical Layer Maimizing asset utilization, agility, fleibility and scalability Int. gateway Optical Mesh etwork Long-haul Int. gateway Ultra-Long haul #2 #L- Long haul Metro ring Metro/reg. ring Metro/reg. mesh Regional Access Collector ring (low-density) # LM LM #L Metro U I V E R S I T Y Multi-tenant services Base station Connection Enterprise services Add/Drop Colorless, less, and some degree of Contentionless Ports Scalable beyond 00G Access CPE Oclaro, Inc.

8 A More Intelligent and Dynamic Core Optical Layer The Amplifier Building Blocks #2 #L- EDF amplifiers Hybrid Raman EDF amplifiers # LM LM #L : LM Multicast switch : WSS Arrayed amplifiers Add/Drop : Single-lane amplifier : Arrayed amplifier : Lineside transceiver Micro amplifiers : Clientside transceiver Oclaro, Inc.

9 Raman Amplifiers Enable Scalability Mitigation of OSR loss in very long/lossy spans Ensure system capacity upgradability from 00G PM-QPSK 6QAM formats with same baud rate QPSK/-QAM with higher baud rates Bit Rate Coding Format Bits/Symbol Baud Rate [Gbaud] OSR Factor 0G RZ/RZ 0 Ref. 00G PM-QPSK 4 25 ~7dB 200G PM-6QAM 8 25 ~4dB 400G DSC-PM-6QAM ~4dB 400G PM-6QAM 8 50 ~7dB Oclaro, Inc.

10 Equivalent noise figure [db] Equivalent noise figure [db] Hybrid Raman/EDFA: The ew Line Driver for 00G+ Raman Amplification in Transmission Fiber Architecture Dispersion Shifted Fiber VOA Characteristics Amplification in fiber span Performance depends on fiber type Ideal optimal F eq : db (compared with 3.0 db for EDFA) Raman ecels at F, EDFA at power Hybrid Raman/EDF amps offer best of both worlds Powers up to W+ offer perf. advantages Safe turn-up and Safety shutdown needed Silica-Core Fiber 600mW Pump power [W].3W Pump power [W] Ref: P. B. Hansen et. al., PTL, Jan 998, pp Oclaro, Inc.

11 Intelligent Amplifiers Automatic verification of CO connectivity and fiber plant Provide safety assurance by confirming fiber presence Identify unconnected fibers/connectors which may pose hazard Verify integrity of fiber within central office and in outside plant Identify losses from connectors and bend fibers in central office Identify significant differences in fiber performance due to mied fiber types Identify location of performance impeding point losses Enable craft personnel to quickly locate and correct problems 202 Oclaro, Inc.

12 Etended Range Variable Gain EDFA Architectures Two stage (2 Er-coils) base design F VOA Input VOA to low-gain F improvement VOA VOA F Gain Etra switchable stage design (for high gain) Gain itch VOA F Input VOA plus switchable stage VOA VOA itch F Gain Gain Oclaro, Inc.

13 MAX F Reconfigurable Amplifiers Reconfigurable amplifiers substituting for 2 or 3 individual amp Single SKU greatly simplifies inventory management, training, etc. Schematic: 3-amps in single switchable configuration Single SKU with switchable gain XdB SKU YdB SKU ZdB SKU GAI Oclaro, Inc.

14 Operator Value of Reconfigurable Amplifiers Cost model eample Average node degree: 3.5 umber of amp variants in each node: 2 Sparing: One of each deployed variant at each node umber of amplifier gain ranges: 2 etwork operator savings Hardware cost (amplifier BOM: 20% -50% of total) 4% - 7% EM HW/SW development cost TBD EM - SVT TBD EM - PI TBD EM - WIP and inventory TBD OP - Test and qualification TBD OP - Technician training TBD Reconfigurable amplifiers offers significant TCO savings and process simplification Oclaro, Inc.

15 Arrayed Amplifiers Applications Add/drop solutions Drop Add General Requirements Cost-effective Small-form factor Low power consumption Reliable & robust pump control Future proof 6 Transponder Bank Add/Drop EDFA Specific Requirements umber of array EDFAs depend on the number of add/drop paths, e.g. 8+8 Total number of channels to be amplified by the EDFA array is determined by the transponder bank connections, e.g. 6 may be super-channels Each EDFA has to be capable of amplifying channels from all the connected transponders, e.g. up to 6 chs Oclaro, Inc.

16 EDFA Array Pumping Options Comparison Discrete pumps vs pump-sharing 8-EDFA array with 300mW pump power available at each amp Feature PCBA Footprint Scale Factor Power Consumption Scale Factor Discrete Pumps (Dual-chip) w/o Fast Transient Pump-Share with Fast Transient FIT Scale Factor Cost Scale Factor.0.5 Discrete uncooled pumps provides best size, power, reliability and cost Oclaro, Inc.

17 Micro Amplifier Applications A Single-Stage Amplifier Eample Direct detection transponders Compensate TDC loss Ensure power level compatibility with eisting engineering design rules Coherent transponders Booster amplifier (possibly pre-amp) Input power dynamic range epansion Receiver overload/spike protection 40G DD Transceiver TDC T R General requirements Ultra-compact for transponder integration Low power consumption, <2W Single-wavelength operation (typ.) High signal to total ASE power ratio Low cost Oclaro, Inc.

18 Summary et generation network architecture Higher fleibility, reconfigurability, and scalability Automation enabled by more advanced technical solutions Critical to address cape as well as the ope challenges Advanced amplifier solutions Hybrid and Raman amplifiers Reconfigurable amplifiers Arrayed amplifiers Micro amplifiers Oclaro, Inc.

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