Broad omnidirectional high-precision two-channel filter design using genetic algorithm

Wei Jia; Li-yong Jiang; Gai-ge Zheng; Xiang-yin Li; Hai-peng Li

doi:10.1117/12.817716

20 February 2009 Broad omnidirectional high-precision two-channel filter design using genetic algorithm

Wei Jia, Li-yong Jiang, Gai-ge Zheng, Xiang-yin Li, Hai-peng Li

Proceedings Volume 7279, Photonics and Optoelectronics Meetings (POEM) 2008: Optoelectronic Devices and Integration; 727920 (2009) https://doi.org/10.1117/12.817716
Event: Photonics and Optoelectronics Meetings, 2008, Wuhan, China

Abstract

An application of the genetic algorithm in designing omnidirectional optical filters is reported in this paper. Concerning different periodic numbers and thickness ratios in the photonic crystal, we gave some optimization examples and finally achieved a photonic heterostructure with very broad omnidirectional filter bandwidth as well as two very narrow transmission windows. And they are found that when the normal incident beam is tilted at a negligibly small angle, the perfect transmittance peak will vanish. Hence, this heterostructure can be regarded as an omnidirectional high-precision two-channel filters with potential application in optical filters, optical switches, and many other optical telecommunication areas.

Citation Download Citation

Wei Jia, Li-yong Jiang, Gai-ge Zheng, Xiang-yin Li, and Hai-peng Li "Broad omnidirectional high-precision two-channel filter design using genetic algorithm", Proc. SPIE 7279, Photonics and Optoelectronics Meetings (POEM) 2008: Optoelectronic Devices and Integration, 727920 (20 February 2009); https://doi.org/10.1117/12.817716

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