Nonlinear directional coupler with varia
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Binming Liang; Qu Li; Gangjun Liu; Guoliang Jin
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Article
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2005
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Elsevier Science
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English
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In this paper, we report on the study of the coupled mode equations for nonlinear directional coupler (NLDC) in which both linear coupling coefficient and nonlinear refractive index coefficient are functions of propagation distance. We show, for the first time, to the best of our knowledge, that the