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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 7 — Apr. 3, 2006
  • pp: 2839–2844

Tunable all-optical switching in periodic structures with liquid-crystal defects

Andrey E. Miroshnichenko, Igor Pinkevych, and Yuri S. Kivshar  »View Author Affiliations

Optics Express, Vol. 14, Issue 7, pp. 2839-2844 (2006)

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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.

© 2006 Optical Society of America

OCIS Codes
(190.4420) Nonlinear optics : Nonlinear optics, transverse effects in
(190.5940) Nonlinear optics : Self-action effects

ToC Category:
Nonlinear Optics

Original Manuscript: January 18, 2006
Revised Manuscript: March 15, 2006
Manuscript Accepted: March 17, 2006
Published: April 3, 2006

Andrey E. Miroshnichenko, Igor Pinkevych, and Yuri S. Kivshar, "Tunable all-optical switching in periodic structures with liquid-crystal defects," Opt. Express 14, 2839-2844 (2006)

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Fig. 1. Fig. 2. Fig. 3.

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