Nonreciprocal switching thresholds in coupled nonlinear microcavities

Victor V Grigoriev, Fabio Biancalana

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Abstract

A concept for the design of nonlinear optical diodes is proposed that uses the multistability of coupled nonlinear microcavities and the dependence of switching thresholds on the direction of incidence. A typical example of such a diode can be created by combining two mirror-symmetric microcavities where modes of the opposite parity dominate. It is shown that a strong nonreciprocal behavior can be achieved together with a negligible insertion loss. To describe the dynamical properties of such systems, a model based on the coupled-mode theory is developed, and a possible implementation in the form of multilayered structures is considered. (C) 2011 Optical Society of America

Original languageEnglish
Pages (from-to)2131-2133
Number of pages3
JournalOptics Letters
Volume36
Issue number11
DOIs
Publication statusPublished - 1 Jun 2011

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