An Asymmetric High Serial Rate TDM-PON With Single Carrier 25 Gb/s Upstream and 50 Gb/s Downstream
Journal of Lightwave Technology(2016)
摘要
We report a 2:1 rate asymmetric high serial rate time division multiplexing passive optical network (TDM-PON) with single carrier 25 Gb/s upstream and 50 Gb/s downstream. In the upstream, we present a first 25 Gb/s three-level modulated burstmode receiver employing a 1/4-rate linear burst-mode avalanch photodiode transimpedance amplifier and a custom decoder IC. We successfully demonstrated burst-mode sensitivity of -20.4 dBm with 18 dB dynamic burst-to-burst for 25 Gb/s upstream links. In another direction, a downstream in upper O-band is proposed and demonstrated with three-level duo-binary modulation at 50 Gb/s in real time. The upstream and downstream transmission experiments show that the proposed asymmetric 50 G/25 G high serial rate TDM-PON can support 32 users while covering more than 20 km reach.
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关键词
Passive optical networks,Decoding,Bandwidth,Integrated circuits,Optical signal processing,Optical network units,Bit error rate
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