Techniques for tuning two-dimensional photonic crystal devices

David M. Pustai; Dennis W. Prather

doi:10.1117/12.529553

9 July 2004 Techniques for tuning two-dimensional photonic crystal devices

David M. Pustai, Dennis W. Prather

Proceedings Volume 5360, Photonic Crystal Materials and Devices II; (2004) https://doi.org/10.1117/12.529553
Event: Integrated Optoelectronic Devices 2004, 2004, San Jose, CA, United States

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.

Citation Download Citation

David M. Pustai and Dennis W. Prather "Techniques for tuning two-dimensional photonic crystal devices", Proc. SPIE 5360, Photonic Crystal Materials and Devices II, (9 July 2004); https://doi.org/10.1117/12.529553

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