Title

Equalizer tap length requirement for mode group delay-compensated fiber link with weakly random mode coupling

Authors

Authors

N. Bai;G. F. Li

Comments

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Abbreviated Journal Title

Opt. Express

Keywords

Optics

Abstract

The equalizer tap length requirement is investigated analytically and numerically for differential modal group delay (DMGD) compensated fiber link with weakly random mode coupling. Each span of the DMGD compensated link comprises multiple pairs of fibers which have opposite signs of DMGD. The result reveals that under weak random mode coupling, the required tap length of the equalizer is proportional to modal group delay of a single DMGD compensated pair, instead of the total modal group delay (MGD) of the entire link. By using small DMGD compensation step sizes, the required tap length (RTL) can be potentially reduced by 2 orders of magnitude. (C) 2014 Optical Society of America

Journal Title

Optics Express

Volume

22

Issue/Number

4

Publication Date

1-1-2014

Document Type

Article

Language

English

First Page

4247

Last Page

4255

WOS Identifier

WOS:000332520000058

ISSN

1094-4087

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