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Proceedings Paper

A monolithic optical front-end for soft-decision LDPC decoders
Author(s): M. N. Sakib; M. S. Hai; O. Liboiron-Ladouceur
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Paper 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.

Paper Details

Date Published: 24 October 2012
PDF: 7 pages
Proc. SPIE 8412, Photonics North 2012, 84120K (24 October 2012); doi: 10.1117/12.2001664
Show Author Affiliations
M. N. Sakib, McGill Univ. (Canada)
M. S. Hai, McGill Univ. (Canada)
O. Liboiron-Ladouceur, McGill Univ. (Canada)

Published in SPIE Proceedings Vol. 8412:
Photonics North 2012
Jean-Claude Kieffer, Editor(s)

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