IEICE Electronics Express
Online ISSN : 1349-2543
LETTER
Ultimately phase-noise tolerant QPSK homodyne using a spectrum-sliced ASE light source
Moriya NakamuraYukiyoshi KamioGuo-Wei LuTetsuya Miyazaki
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2007 Volume 4 Issue 13 Pages 406-410

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Abstract

We experimentally demonstrated ultimately phase-noise tolerant 20-Gbps QPSK-homodyne transmission over 160km using a 3-nm spectrum-sliced ASE light source. We applied an optical phase noise cancellation technique based on self-homodyne detection using a polarization-multiplexed pilot-carrier, which included identical phase noise to that of modulated optical signal. BER of less than 1 × 10-6 after the transmission was achieved. We also characterized DGD and dispersion tolerances. To the author's best knowledge, this is the first experimental demonstration of multi-bit-per-symbol modulation/demodulation using an incoherent ASE light source.

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© 2007 by The Institute of Electronics, Information and Communication Engineers
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