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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)
Brès, C.-S. ; Dept. of Comput. & Electr. Eng., Univ. of California, San Diego, CA, USA ; Wiberg, A.O.J. ; Kuo, B.P.-P. ; Chavez-Boggio, J.M.
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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.

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