Field Trial of Real-Time 400GbE Superchannel Using Configurable Modulation Formats

We report a successful field trial of real-time optical superchannel transport of 400Gb/s Ethernet client traffic over a 216-km flexible grid G.652 fiber link using 64GBaud flexible rate optical transponders. We demonstrated, for the first time, error free transport of 400 GbE client traffic over an...

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Bibliographic Details
Published in:IEEE photonics technology letters 2018-12, Vol.30 (23), p.2044-2047
Main Authors: Smith, Kevin, Zhou, Yu Rong, Gilson, Mike, Pan, Weiwei, Huang, Wei, Shen, Lihong, Peng, Wei, Peng, Kunxu, Brooks, Paul, Cole, Chris, Yu, Chengpin
Format: Article
Language:English
Subjects:
400GbE
Adaptive optics
coherent communication
Errors
Ethernet
High-speed optical techniques
Modulation
network
Optical fiber communication
Optical fibers
Optical receivers
optical superchannel
Phase shift keying
Real time
Transponders
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Summary:We report a successful field trial of real-time optical superchannel transport of 400Gb/s Ethernet client traffic over a 216-km flexible grid G.652 fiber link using 64GBaud flexible rate optical transponders. We demonstrated, for the first time, error free transport of 400 GbE client traffic over an ultra-efficient optical superchannel of 2\times 200 \text{G} using modulation formats DP-16QAM, DP-8QAM, and DP-QPSK. Error free performance of 400GbE ultra-efficient optical superchannel was achieved at different channel separations as narrow as 37.5 GHz for DP-16QAM, 39 GHz for DP-8QAM, and 50 GHz for DP-QPSK. We also successfully demonstrated non-contiguous 400GbE optical superchannel, where the optical sub-channels are in non-adjacent spectral slots across the whole {C} -band (3.85 THz apart). Stable long term (overnight) error free optical performance and end-to-end 400 GbE full throughput were measured.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2018.2875657