Nonreciprocal behavior and switching in optical couplers with longitudinally varying coupling coefficient

Truong X. Tran, Fabio Biancalana

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Abstract

We report the nonreciprocal behavior of an optical coupler consisting of two straight waveguides forming a small angle. An optical diode action is theoretically demonstrated when light is launched along opposite directions. The switching power is lower than the case of parallel waveguides with a constant coupling coefficient. (C) 2012 Optical Society of America

Original languageEnglish
Pages (from-to)1772-1774
Number of pages3
JournalOptics Letters
Volume37
Issue number10
DOIs
Publication statusPublished - 15 May 2012

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