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Optical Demultiplexing of 320 Gb/s to 8 ,\times, 40 Gb/s in Single Parametric Gate

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7 Author(s)
Camille-Sophie Bres ; Computer and Electrical Engineering, University of California, San Diego, CA ; Andreas O. J. Wiberg ; Bill P. -P. Kuo ; Jose M. Chavez-Boggio
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In this paper, we report the experimental demonstration of 320 Gb/s demultiplexing to eight simultaneous always-on 40 Gb/s tributaries with near-zero latency. The single-channel, single-polarization 320 Gb/s optical-time-division-multiplexed signal was processed by a copy-and-sample-all architecture. 1-to-8 wavelength multicasting over more than 10 THz of bandwidth was achieved in a self-seeded two-pump parametric amplifier, and was followed by a single gate, multicolored sampling with equalized response over more than 20 THz. The single gate operation allows for truly scalable real-time processing while avoiding the complexity of parallel pipelines processing. Error-free performance was measured over all extracted 40 Gb/s tributaries with less than 4 dB power penalty compared to conventional single tributary gating.

Published in:

Journal of Lightwave Technology  (Volume:28 ,  Issue: 4 )