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Proceedings Paper

Techniques for tuning two-dimensional photonic crystal devices
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Paper Abstract

We investigate methods for actively tuning two-dimensional photonic crystal devices by modulating the index of refraction of the constituent materials. The index of refraction is modulated by infiltrating liquid crystals into a photonic crystal lattice of air cylinders in silicon. Moreover, the orientation of the liquid crystal molecules within the cylinders is actively modulated in order to induce a change in the dielectric tensor; thereby, tuning the optical properties of the photonic crystal. We validate and characterize the tunability of these devices both experimentally and with three-dimensional finite-difference time-domain method simulations. Furthermore, we integrate these tunable devices to demonstrate their enhancement of WDM photonic crystal applications.

Paper Details

Date Published: 5 January 2004
PDF: 14 pages
Proc. SPIE 5213, Liquid Crystals VII, (5 January 2004); doi: 10.1117/12.504648
Show Author Affiliations
David M Pustai, Univ. of Delaware (United States)
Dennis W. Prather, Univ. of Delaware (United States)

Published in SPIE Proceedings Vol. 5213:
Liquid Crystals VII
Iam-Choon Khoo, Editor(s)

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