IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
Intermodal group velocity dispersion of few-mode fiber
Hirokazu Kubota, Hidehito Takara, Tadao Nakagawa, Munehiro Matsui, Toshio Morioka
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Keywords: few-mode fiber, intermodal dispersion, index profiles
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2010 Volume 7 Issue 20 Pages 1552-1556

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Abstract

The intermodal dispersion of few-mode fiber limits the propagation distance of mode division multiplexing (MDM). We numerically investigate the propagation constant and group velocity of few-mode fibers. The refractive index profile of few-mode fibers should be designed to achieve long and dense MDM transmissions with digital coherent receivers.

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© 2010 by The Institute of Electronics, Information and Communication Engineers
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