CDC and gridless ROADM architectures and their enabling devices

Transcription

1 ECOC 2012 Market Focus CDC and gridless OADM architectures and their enabling devices Peter oorda JDSU his communication contains forward looking product development plans based on our current expectations. he actual products and/or product functionality and timing of the product and/or product functionality releases could change materially.

2 splitter oday s OADM still heavily dependant on manual connectivity North splitter OCM West OCM splitter OCM East AWG AWG AWG econfigurable express, static add/drop Off-line wavelength planning and engineering Manual wavelength activation All termination and regeneration is manually configured 2012 JDS Uniphase Corporation JDSU CONFIDENIAL AND POPIEAY INFOMAION 2

3 More photonic layer flexibility required Control ASON/GMPLS/OpenFlow xx xx Photonic layer restoration Fewer IP and ON protection interfaces by introducing photonic layer restoration as second-line-of-defense Network automation Automated end-to-end capacity provisioning Network defrag, network load balancing and maintenance switching Dynamic and efficient capacity allocation Optimal allocation of spectrum for 100G, 400G and 1bps 2012 JDS Uniphase Corporation JDSU CONFIDENIAL AND POPIEAY INFOMAION 3

4 Colorless, Directionless and Contentionless Colorless: Assign any wavelength to an add/drop port Directionless: oute any wavelength to/from any network direction served by a node Contentionless: Allows multiple channels of the same wavelength on a single add/drop structure NOH Mesh Node WES EAS Contentionless CDC Mux/Demux CDC Mux/Demux 2012 JDS Uniphase Corporation JDSU CONFIDENIAL AND POPIEAY INFOMAION 4

5 equirements for ransmission Beyond 100Gb/s 3 Critical equirements to Future Proof the Network and Support Beyond 100Gb/s Flexible Channel 12.5GHz granularity or better Including a Flex Optical Channel Monitor 400G 75GHz 100G 50GHz 1 b/s 150GHz Higher Isolation 16QAM requires 5 7dB greater isolation arget 45dB or higher QPSK 16QAM 400Gb/s will require higher OSN Need aman amplification Need less OADM node loss QPSK 16QAM 2012 JDS Uniphase Corporation JDSU CONFIDENIAL AND POPIEAY INFOMAION 5 5

6 Splitter Splitter Network equirements oute and Select win Broadcast and Select oute and Select Industry Convergence CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC Network equirement /Node equirement Scalable: 8 degrees + CD /CDC High Port Count (~20) Broadcast & Select Decreased interference for 16QAM Higher Node Isolation (>45dB) device Yes simultaneously Flexible Spectrum Flexible Spectrum (<12.5GHz) meeting all these Yes requirements is Dynamic wavelength restoration Faster Switching not currently Yes 2 slot linecard Compact Device practical Yes 16+ node cascadability Wide, square passband Yes Enable Multicast Switch CDC Channel Grooming for add/drop No oute & Select Higher OSN for 100G, 400G Lower Express Loss No Yes Yes Yes Practical Device 2012 JDS Uniphase Corporation JDSU CONFIDENIAL AND POPIEAY INFOMAION 6

7 oute-and-select: Efficient Support for CD and CDC OCM OCM OCM 1x8 1x8 1x8 1x8 1x8 1x8 splitter combiner S S S S Colorless Directionless Colorless Directionless Colorless Directionless MCS MCS MCS MCS MCS MCS Colorless Directionless Colorless Directionless Colorless Contentionless Directionless MCS: Multicast switch 2012 JDS Uniphase Corporation JDSU CONFIDENIAL AND POPIEAY INFOMAION 7

8 A Cost Effective Foundation: rueflex win wo independent s Single compact package (2-slot) Seamlessly supports CD, CDC Cost effective, high performance Fully flex spectrum (LCoS) eleasing Nov 2012 High resolution design for superior passband/stopband 2 slot blade 2012 JDS Uniphase Corporation JDSU CONFIDENIAL AND POPIEAY INFOMAION 8

9 High resolution flexible spectral control Programmable channel widths Eg. Support 100Gbps x 37.5 GHz, 400G and b/s superchannels Intra-channel power grooming Amplifier ripple compensation Signal pre-emphasis 2012 JDS Uniphase Corporation JDSU CONFIDENIAL AND POPIEAY INFOMAION 9

10 Flexible spectrum optical channel monitor Continuous high resolution scanning filter required Steep roll-off to ensure maximum adjacent channel isolation OCM Arbitrary channel width and location otal channel power and intrachannel ripple/tilt monitoring for shaping High speed for fast and stable wavelength reconfiguration OSA JDSU 4-port flex OCM high speed, compact design, high resolution to resolve intra-channel features Multiport, simultaneous scanning Low cost / high density elease 1Q JDS Uniphase Corporation JDSU CONFIDENIAL AND POPIEAY INFOMAION 10

11 Contentionless add/drop 8 1x16 splitters win Multicast Switch 16 8x1 switches x x x Coherent x required for l selection! x A array arget 2 slot blade for 8x16 configuration Contentionless add/drop avoids wavelength blocking A array and multicast switch required 2012 JDS Uniphase Corporation JDSU CONFIDENIAL AND POPIEAY INFOMAION 11

12 win 8x16 Multi-Cast Switch (MCS) 2 independent MCS in a single compact package 17mm height allows 2 slot CDC blade (including 16 As) High port count: 8 degree support with 16 add/drop per module >40 db port isolation on the same wavelength (key to contentionless operation) Minimum excess loss win 8x16 MCS 1x16 power splitters 1x16 power splitters 8x1 selector 8x1 switches selector switches Integration of power splitters and simple switches well suited to PLC implementation 2012 JDS Uniphase Corporation JDSU CONFIDENIAL AND POPIEAY INFOMAION 12

13 A array MCS is intrinsically high loss A array required Add-drop only - performance relaxation is possible (eg. gain flatness/tilt, transient control) Conventional A design with discrete pumps and passives (isolators, 980/1550 WDM, taps. PDs) yields reasonable cost and footprint Compatible with 2 slot A array+ MCS blade Cost reduction / improved density through passive integration and pump sharing AP WDM x Array 980 block From F/x AP WDM x Array 980 block From F/x AP WDM x Array 980 block x Array From F/x AP WDM x Array 980 block 980 Var AP From F/x AP WDM x Array AP WDM 980 block AP Var 980 block 980 From F/x From x F/x Array AP WDM 980 block AP 980 Var From F/x AP WDM 980 block From F/x AP 980 Var 980 Var 980 Var WDM GFF WDM AP ISO 980 Var Var 980 x Array Brute force design 980 Variable splitter Var i i i i i i x Array From F/x AP AP AP AP WDM 980 block WDM GFF WDM AP ISO Pump sharing + component integration 2012 JDS Uniphase Corporation JDSU CONFIDENIAL AND POPIEAY INFOMAION 13

14 Summary Photonic restoration, network automation and flexible capacity scalability driving industry momentum toward CDC-gridless OADM networks. oute-and-select node architecture delivers best cost/density/performance using high port count twin. Availability of qualified flexible spectrum twin and OCM is imminent. A array and MCS for full contentionless by 2H JDSU rueflex portfolio provides complete set of building blocks for gridless CDC OADM node JDS Uniphase Corporation JDSU CONFIDENIAL AND POPIEAY INFOMAION 14