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100G - What Comes Next

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  • 1. Jörg-Peter Elbers, VP Advanced Technology OFC 2014 – Market Watch Panel 2: What’s Happening for 100G and Beyond Ecosystems? 100G – What Comes Next?
  • 2. © 2014 ADVA Optical Networking. All rights reserved. Confidential. Diverse 100G Transport Applications Two classes: Efficient connectivity vs. high-performance networking Application Reach OADMs 10G Legacy Fiber Cost Enterprise 100 km None Yes Metro Access 250 km Few Yes Metro Core 500 km <20 Some Regional 1000 km <10 No Long-Haul 2500 km <5 No Class1Class2
  • 3. © 2014 ADVA Optical Networking. All rights reserved. Confidential. 100G – Where Do We Stand Today? Leveraging established eco-systems has been crucial. Efficient connectivity: „Scale up from datacom“ Leverage: • 100GBASE-LR4 ecosystem • 10G DWDM transmitters Solution: • 100G Direct Detect • 4x28G DWDM Sweet Spot: • P2P interconnects High-performance networking: „Scale down from LH telecom“ Leverage: • OIF 100G LH DWDM framework • Relaxed specifications Solution: • 100G Coherent • DP-QPSK Sweet Spot: • Metro & core networking
  • 4. © 2014 ADVA Optical Networking. All rights reserved. Confidential. Are We Done? Need to balance cost, power, size with fiber capacity & reach.
  • 5. © 2014 ADVA Optical Networking. All rights reserved. Confidential. Efficient connectivity: „Scale up from datacom“ Beyond 100G – The Innovation Toolkit High-performance networking: „Scale down from LH telecom“ Evolution to more capacity, programmability and lower cost per bit.
  • 6. © 2014 ADVA Optical Networking. All rights reserved. Confidential. Beyond 100G – Coherent Networking SW-Defined Transceivers Flexible Grid Optical Layer Optical Spectrum as a ServiceTransport SDN Symbol rate (SR) is additional parameter: • 400G leverages 100G (~30GBd) • 1T needs 2..3x SR (~75GBd) 50GHz spaced channels Future higher- speed channels Maximum spectral efficiency super- channels OpticalPower l nm From fixed DWDM to software-defined optical networking.
  • 7. © 2014 ADVA Optical Networking. All rights reserved. Confidential. Beyond 100G – Direct Detect Connectivity Integrated 25G TX/RX Arrays Single Mode Fiber & DWDM Multi-Level Modulation Discrete-Multitone Transmission From fixed DWDM to software-defined connectivity. 0 20 40 60 80 -0.5 0 0.5 1 1.5 2 t [ps] PAM Source:Oclaro Source:Intel 0 5 10 15 20 25 30 0 1 2 3 4 5 6 7 f [GHz] No.ofBits DMT
  • 8. © 2014 ADVA Optical Networking. All rights reserved. Confidential. Summary • 100G found rapid adoption in core & metro networks • Requirements led to emergence of coherent & direct detect solutions • Established eco-systems have been crucial for commercial adoption • Pressure to lower cost, power, size while increasing capacity continues • The next thing: 400G & software-defined optics!
  • 9. jelbers@advaoptical.com Thank you IMPORTANT NOTICE The content of this presentation is strictly confidential. ADVA Optical Networking is the exclusive owner or licensee of the content, material, and information in this presentation. Any reproduction, publication or reprint, in whole or in part, is strictly prohibited. The information in this presentation may not be accurate, complete or up to date, and is provided without warranties or representations of any kind, either express or implied. ADVA Optical Networking shall not be responsible for and disclaims any liability for any loss or damages, including without limitation, direct, indirect, incidental, consequential and special damages, alleged to have been caused by or in connection with using and/or relying on the information contained in this presentation. Copyright © for the entire content of this presentation: ADVA Optical Networking.
  • 10. © 2014 ADVA Optical Networking. All rights reserved. Confidential. WDM Grid Modulation 4ch QPSK +2ch 16QAM 50GHz 25GHz Spectrum Usage [THz] 107 86.2 66.35 60.47 Spectrum Usage [%] 100% 81% 62% 57% 77% 70% 91% Fixed Flexible Software-Defined Optics FlexGrid @ 25 GHz Fixed Grid DP-QPSK + DP-16QAM Fixed Grid DP-QPSK • Germany 14 • fully meshed 400G demand with opt. protection Spectrum Allocation Use Case FlexGrid @ 50GHz -19% -19% -5% 19% spectral efficiency gain on fixed grid with 400G DP-16QAM 38% spectral efficiency gain with FlexGrid @ 50GHz Smaller incremental gain (additional 5%) with FlexGrid @ 25GHz

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