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Conferences > OFC > 2007 > OThS > OThS4
  • Optical Fiber Communication Conference and Exposition and The National Fiber Optic Engineers Conference
  • OSA Technical Digest Series (CD) (Optica Publishing Group, 2007),
  • paper OThS4

1,000-km transmission of 20-Gbit/s QPSK-NRZ co-polarized DWDM signals with spectral efficiency of 1 bit/s/Hz using coherent detection

Sang-Yuep Kim and Kazuro Kikuchi

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Abstract

We demonstrate co-polarized 20-Gbit/s DWDM NRZ-QPSK transmission over 1074 km using a phase-diversity optical homodyne receiver. The spectral efficiency is as high as 1.05 bit/s/Hz, which is limited by cross-phase modulation between DWDM channels.

© 2007 Optical Society of America

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