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All-optical switching and multistability in photonic structures with liquid crystal defects

Miroshnichenko, Andrey; Brasselet, Etienne; Kivshar, Yuri

Description

We demonstrate that one-dimensional photonic crystals with pure nematic liquid-crystal defects can operate as all-optical switching devices based on optical orientational nonlinearities of liquid crystals. We show that such a periodic structure is responsible for a modulated threshold of the optical Fréedericksz transition in the spectral domain, and this leads to all-optical switching and light-induced multistability. This effect has no quasistatics electric field analog, and it results...[Show more]

CollectionsANU Research Publications
Date published: 2008-06-26
Type: Journal article
URI: http://hdl.handle.net/1885/7365
Source: Applied Physics Letters 92.25 (2008): 253306/1-3
DOI: 10.1063/1.2949076

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