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Optical Engineering

Demonstration of superprism effect in silicon pillar 2-D photonic crystal infiltrated with liquid crystals
Author(s): Pierre-Yves P. Baroni; Vincent Paeder; Yu-Chi Chang; Matthieu Roussey; Hans Peter Herzig; Wataru Nakagawa
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Paper Abstract

Superprism-based deflection of an optical beam is observed in a photonic crystal composed of a triangular lattice of pillars infiltrated with a liquid crystal. The device is based on a Silicon-on-insulator substrate and operates in the telecommunications band. The experimental results show a wavelength shift of 0.76 μm/nm, in reasonable agreement with simulations. Temperature-based control of the liquid crystal properties is also shown to modulate the superprism characteristics.

Paper Details

Date Published: 1 January 2011
PDF: 4 pages
Opt. Eng. 50(1) 014601 doi: 10.1117/1.3529437
Published in: Optical Engineering Volume 50, Issue 1
Show Author Affiliations
Pierre-Yves P. Baroni, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Vincent Paeder, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Yu-Chi Chang, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Matthieu Roussey, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Hans Peter Herzig, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Wataru Nakagawa, Montana State Univ. (United States)

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