Adaptive 4∼64 QAM real-time coherent optical transmission over 320 km with FPGA-based transmitter and receiver

研究成果: Article査読

11 被引用数 (Scopus)

抄録

We demonstrate the first real-time adaptive optical coherent QAM transmission with variable multiplicities (4-, 16- and 64-QAM) using an FPGA-based transmitter and receiver. Rate-variable transmission (20∼60 Gbit/s) was successfully achieved with a polarization multiplexing scheme at 5 Gsymbol/s over 320 km, where the OSNR margins were increased by 9 and 17 dB, respectively, by changing the modulation level from 64 to 16 and 4.

本文言語English
ページ(範囲)16520-16527
ページ数8
ジャーナルOptics Express
22
13
DOI
出版ステータスPublished - 2014 6 30

ASJC Scopus subject areas

  • 原子分子物理学および光学

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