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Proceedings Paper

Broad omnidirectional high-precision two-channel filter design using genetic algorithm
Author(s): Wei Jia; Li-yong Jiang; Gai-ge Zheng; Xiang-yin Li; Hai-peng Li
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Paper 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.

Paper Details

Date Published: 20 February 2009
PDF: 7 pages
Proc. SPIE 7279, Photonics and Optoelectronics Meetings (POEM) 2008: Optoelectronic Devices and Integration, 727920 (20 February 2009); doi: 10.1117/12.817716
Show Author Affiliations
Wei Jia, Nanjing Univ. of Science and Technology (China)
Li-yong Jiang, Nanjing Univ. of Science and Technology (China)
Gai-ge Zheng, Nanjing Univ. of Science and Technology (China)
Xiang-yin Li, Nanjing Univ. of Science and Technology (China)
Hai-peng Li, Nanjing Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 7279:
Photonics and Optoelectronics Meetings (POEM) 2008: Optoelectronic Devices and Integration
Liming Zhang; Michael J. O'Mahony, Editor(s)

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