Tunable all-optical switching in periodic structures with liquid-crystal defects
Date
2006-04-03
Authors
Pinkevych, Igor
Miroshnichenko, Andrey
Kivshar, Yuri
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Optical Society of America
Abstract
We suggest that tunable orientational nonlinearity of nematic
liquid crystals can be employed for all-optical switching in periodic photonic
structures with liquid-crystal defects. We consider a one-dimensional
periodic structure of Si layers with a local defect created by infiltrating a
liquid crystal into a pore, and demonstrate, by solving numerically a system
of coupled nonlinear equations for the nematic director and the propagating
electric field, that the light-induced Freedericksz transition can lead to a
sharp switching and diode operation in the photonic devices.
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Keywords
nonlinear optics, transverse effects in, self-action effects
Citation
Optics Express 14.7 (2006): 2839-2844
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Optics Express
Type
Journal article
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