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Proceedings Paper

Controllable polarization splitting in liquid crystal infiltrated photonic crystals
Author(s): G. Alagappan; X. W. Sun; M. B. Yu; P. Shum
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Paper Abstract

Large and controllable polarization splitting effects are demonstrated based on liquid crystal infiltrated two-dimensional photonic crystals with silicon as a background material. Due to the strong birefringence of the liquid crystal, the dispersion curves of the two polarizations are distinctly different, resulting in large splitting between the two polarizations. Extremely large splitting, as large as 90 degree, can be obtained. Moreover, the splitting can be substantially tuned upon re-orienting the optic axis of liquid crystal. The influence of incident angle and the birefringence of the LC to the polarization splitting are also analyzed.

Paper Details

Date Published: 1 March 2006
PDF: 8 pages
Proc. SPIE 6128, Photonic Crystal Materials and Devices IV, 61280H (1 March 2006); doi: 10.1117/12.645969
Show Author Affiliations
G. Alagappan, Nanyang Technological Univ. (Singapore)
X. W. Sun, Nanyang Technological Univ. (Singapore)
M. B. Yu, Institute of Microelectronics (Singapore)
P. Shum, Nanyang Technological Univ. (Singapore)

Published in SPIE Proceedings Vol. 6128:
Photonic Crystal Materials and Devices IV
Ali Adibi; Shawn-Yu Lin; Axel Scherer, Editor(s)

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