Lasing in photonic crystals based on dye-doped liquid crystal films

Tsung-Hsien Lin; Yi-Jan Chen; Chun-Hui Wu; J.-H. Liu; P.-C. Yang; Andy Yung-Guey Fuh

doi:10.1117/12.584819

12 April 2005 Lasing in photonic crystals based on dye-doped liquid crystal films (Invited Paper)

Tsung-Hsien Lin, Yi-Jan Chen, Chun-Hui Wu, J.-H. Liu, P.-C. Yang, Andy Yung-Guey Fuh

Proceedings Volume 5741, Emerging Liquid Crystal Technologies; (2005) https://doi.org/10.1117/12.584819
Event: Integrated Optoelectronic Devices 2005, 2005, San Jose, California, United States

Abstract

This letter examines a planar cholesteric cell (CLC) doped with a collocation of two laser dyes as a one-dimensional photonic crystal. Adding the photo-tunable chiral material-AzoB allows the CLC photonic crystal can be lased at the band edges of the photonic band gap with a tuning range of over 100nm. Tuning is performed by irradiating the chiral AzoB material with UV light so that it undergoes trans-cis isomerization in the CLC film. The tuning range is the visible region from 563nm to 667nm. Moreover, the tuning is reversible.

Citation Download Citation

Tsung-Hsien Lin, Yi-Jan Chen, Chun-Hui Wu, J.-H. Liu, P.-C. Yang, and Andy Yung-Guey Fuh "Lasing in photonic crystals based on dye-doped liquid crystal films (Invited Paper)", Proc. SPIE 5741, Emerging Liquid Crystal Technologies, (12 April 2005); https://doi.org/10.1117/12.584819

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