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Conferences > OFC > 2009 > OThG > OThG1
  • Optical Fiber Communication Conference and National Fiber Optic Engineers Conference
  • OSA Technical Digest (CD) (Optica Publishing Group, 2009),
  • paper OThG1
  • •https://doi.org/10.1364/OFC.2009.OThG1

Optical Quadrature Amplitude Modulation (QAM) with Coherent Detection up to 128 States

Masataka Nakazawa

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Abstract

Recent progress on single-channel and frequency-division-multiplexed (FDM) 128 QAM coherent optical transmission is presented. The spectral efficiency as high as 10 bit/s/Hz is successfully demonstrated by using polarization-multiplexing and Nyquist filter.

© 2009 Optical Society of America

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