Mode-Dependent Loss and Gain: Statistics and Effect on Mode-Division Multiplexing

Details Mode-Dependent Loss and Gain: Statistics and Effect on Mode-Division Multiplexing Mode-Dependent Loss and Gain: Statistics and Effect on Mode-Division Multiplexing

2011-05-18

arxiv.org/abs/1105.3533v1

Physics

Optics

22 pages, 8 figures

Scientific paper

In multimode fiber transmission systems, mode-dependent loss and gain (collectively referred to as MDL) pose fundamental performance limitations. In the regime of strong mode coupling, the statistics of MDL (expressed in decibels or log power gain units) can be described by the eigenvalue distribution of zero-trace Gaussian unitary ensemble in the small-MDL region that is expected to be of interest for practical long-haul transmission. Information-theoretic channel capacities of mode-division-multiplexed systems in the presence of MDL are studied, including average and outage capacities, with and without channel state information.

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