Effective matching in a nonlinear directional coupler with waveguide mismatching and nonuniform nonlinearity

A variable-coupling-coefficient nonlinear directional coupler with mismatching and nonuniformity is studied by means of coupled mode equations with effective mismatching. It is pointed out that the effective mismatching can be cancelled out for any given input power by properly adjusting the magnitu...

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Published inApplied optics (2004) Vol. 44; no. 2; p. 224
Main Authors Xu, Xiao Z, Li, Qu, Liu, Gang J, Jin, Guo L, Wang, Chen G
Format Journal Article
LanguageEnglish
Published United States 10.01.2005
Online AccessGet more information
ISSN1559-128X
DOI10.1364/AO.44.000224

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Abstract A variable-coupling-coefficient nonlinear directional coupler with mismatching and nonuniformity is studied by means of coupled mode equations with effective mismatching. It is pointed out that the effective mismatching can be cancelled out for any given input power by properly adjusting the magnitudes of the mismatching and nonuniformity. Numerical examples are given to show that complete power transfer between two waveguides can be achieved for a mismatched and nonuniform nonlinear directional coupler and for a Gaussian as well as an exponential variable-coupling-coefficient nonlinear directional coupler.
AbstractList A variable-coupling-coefficient nonlinear directional coupler with mismatching and nonuniformity is studied by means of coupled mode equations with effective mismatching. It is pointed out that the effective mismatching can be cancelled out for any given input power by properly adjusting the magnitudes of the mismatching and nonuniformity. Numerical examples are given to show that complete power transfer between two waveguides can be achieved for a mismatched and nonuniform nonlinear directional coupler and for a Gaussian as well as an exponential variable-coupling-coefficient nonlinear directional coupler.
Author Jin, Guo L
Liu, Gang J
Li, Qu
Xu, Xiao Z
Wang, Chen G
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Snippet A variable-coupling-coefficient nonlinear directional coupler with mismatching and nonuniformity is studied by means of coupled mode equations with effective...
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Title Effective matching in a nonlinear directional coupler with waveguide mismatching and nonuniform nonlinearity
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