A monolithic optical front-end for soft-decision LDPC decoders

M. N. Sakib; M. S. Hai; O. Liboiron-Ladouceur

doi:10.1117/12.2001664

24 October 2012 A monolithic optical front-end for soft-decision LDPC decoders

M. N. Sakib, M. S. Hai, O. Liboiron-Ladouceur

Proceedings Volume 8412, Photonics North 2012; 84120K (2012) https://doi.org/10.1117/12.2001664
Event: Photonics North 2012, 2012, Montréal, Canada

Abstract

In this paper, we propose a monolithic optical front-end for soft-decision low-density parity-check (LDPC) decoders based on 112 Gb/s polarization division multiplexed quadrature shift keying (PM-QPSK) coherent detection. The novel front-end is a low complexity and low cost solution with a performance improvement of 6.4 dB over system without the use of coding. The front-end also outperforms the conventional RS(255,239) based codes by 1.3 dB at the BER of 10^-8.

Citation Download Citation

M. N. Sakib, M. S. Hai, and O. Liboiron-Ladouceur "A monolithic optical front-end for soft-decision LDPC decoders", Proc. SPIE 8412, Photonics North 2012, 84120K (24 October 2012); https://doi.org/10.1117/12.2001664

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