Polarization-multiplexed, 10Gsymbol/s, 64QAM coherent transmission over 150km with OPLL-based homodyne detection employing narrow linewidth LDs

Yixin Wang; Keisuke Kasai; Masataka Nakazawa

doi:10.1587/elex.8.1444

LETTER

Polarization-multiplexed, 10Gsymbol/s, 64QAM coherent transmission over 150km with OPLL-based homodyne detection employing narrow linewidth LDs

Yixin Wang, Keisuke Kasai, Masataka Nakazawa

Author information

Keywords: coherent transmission, QAM, optical phase-locked loop, laser diode

JOURNAL FREE ACCESS

2011 Volume 8 Issue 17 Pages 1444-1449

DOI https://doi.org/10.1587/elex.8.1444

Details

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.

Corresponding author

Register with J-STAGE for free!