Coherent Detection Only By 2-D Photodetector Array: A Discreteness-Aware Phase Retrieval Approach

Yuki Yoshida,Toshimasa Umezawa,Atsushi Kanno,Naokatsu Yamamoto

2019 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXHIBITION (OFC)（2019）

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摘要

A simple and spatially-flexible coherent receiver without local lights, optical hybrids, or spatial de-multiplexers is experimentally demonstrated; 2x10-Gbaud SDM QPSK signals were detected only by 2-D arrayed photodetectors based on a novel phase-retrieving technique.

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关键词

coherent detection,2-D photodetector array,discreteness-aware phase retrieval approach,spatially-flexible coherent receiver,local lights,optical hybrids,2-D arrayed photodetectors,phase-retrieving technique,SDM QPSK signals,spatial de-multiplexers

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