IEICE Electronics Express
Online ISSN : 1349-2543
LETTER
Polarization-multiplexed, 10Gsymbol/s, 64QAM coherent transmission over 150km with OPLL-based homodyne detection employing narrow linewidth LDs
Yixin WangKeisuke KasaiMasataka Nakazawa
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2011 Volume 8 Issue 17 Pages 1444-1449

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Abstract

We report a polarization-multiplexed 10Gsymbol/s, 64QAM (120Gbit/s) coherent transmission over 150km by using an optical phase-locked loop (OPLL) circuit employing narrow linewidth LDs. The OPLL realized low phase noise demodulation of 64QAM signal. As a result, 120Gbit/s data signal were transmitted with a bit error rate (BER) performance below a forward error correction (FEC) threshold of 2×10-3.

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© 2011 by The Institute of Electronics, Information and Communication Engineers
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