First experimental demonstration of nonbinary LDPC-coded modulation suitable for high-speed optical communications

The first experimental demonstration of nonbinary-LDPC-coded optical transmission is presented. Using DQPSK, we can achieve >;8dB and ~10dB net coding gains at the BER of 10 -6 in the absence and presence of I/Q imbalance, respectively.

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Bibliographic Details
Main Authors: Jiaojiao Fu, Arabaci, M, Djordjevic, I B, Yequn Zhang, Lei Xu, Ting Wang
Format: Conference Proceeding
Language:English
Subjects:
(060.0060) Fiber optics and optical communications
(060.4080) Modulation
(999.9999) Low-density parity-check (LDPC) codes
Bit error rate
Encoding
Gain
Optical attenuators
Optical modulation
Parity check codes
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Description
Summary:The first experimental demonstration of nonbinary-LDPC-coded optical transmission is presented. Using DQPSK, we can achieve >;8dB and ~10dB net coding gains at the BER of 10 -6 in the absence and presence of I/Q imbalance, respectively.
DOI:10.1364/ofc.2011.owf4