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Statistical physics inspired energy-efficient coded-modulation for optical communications

delete2012-04-10
delete14
PRE
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I
Ivan B. Djordjević *
L
Lei Xu
T
Ting Wang
DOI:10.1364/OL.37.001340delete
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Abstract

Abstract

En 中文
Because Shannon's entropy can be obtained by Stirling's approximation of thermodynamics entropy, the statistical physics energy minimization methods are directly applicable to the signal constellation design. We demonstrate that statistical physics inspired energy-efficient (EE) signal constellation designs, in combination with large-girth low-density parity-check (LDPC) codes, significantly outperform conventional LDPC-coded polarization-division multiplexed quadrature amplitude modulation schemes. We also describe an EE signal constellation design algorithm. Finally, we propose the discrete-time implementation of D-dimensional transceiver and corresponding EE polarization-division multiplexed system. (C) 2012 Optical Society of America
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Journal

Optics Letters cover
Optics Letters
IF:
3.3
Papers:
4.0W
Citations:
7.6W

Organization

U
University of Arizona
Scholars:
3.6W
Papers: 3.2W
Citations: 980
N
nec corporation
Scholars:
1.0K
Papers: 953
Citations: 0