Bi-Soliton under the Influence of Third Order Dispersion in Dispersion-Managed Optical Transmission System

Xuesong MAO  Akihiro MARUTA  

Publication
IEICE TRANSACTIONS on Communications   Vol.E88-B   No.5   pp.1955-1962
Publication Date: 2005/05/01
Online ISSN: 
DOI: 10.1093/ietcom/e88-b.5.1955
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Joint Special Section on Recent Progress in Optoelectronics and Communications)
Category: Transmission Systems and Technologies
Keyword: 
optical fiber communications,  optical soliton,  third order dispersion,  dispersion management,  

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Summary: 
In this paper, firstly, effects of third order dispersion (TOD) on coupled pulses are analyzed. Then, averaging method is modified and proved to be an effective way for obtaining non-radiative bi-soliton solution of the TOD perturbed nonlinear Schrodinger equation (NLSE), which models a dispersion managed (DM) optical transmission system. Finally, the obtained bi-soliton evolution behavior is studied, and compared with that of uni-soliton. With the increase of average TOD, pulse velocity of bi-soliton largely deviates from that of uni-soliton. Thus, even though TOD cannot be exactly vanished in fabrication, it is suggested to compensate average TOD as low as possible.