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Proceedings Paper

Effects of defects and disorder in light propagation in one-dimensional photonic bandgap structures
Author(s): Hong Chen; Hong-Qiang Li; Xin-Jie Qiu; Nian-Hua Liu; Shi-Yao Zhu
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Paper Abstract

The light localization due to defects and disorder and its effects on light propagation in one-dimensional (1D) photonic band gap (PBG) structures is studied numerically with transfer matrix method. For a defect layer embedded at the center of a I D PBG structure, the simulation results indicated that, the photons will be trapped in the defect region. For a disordered I D PBG structure, a mechanism for extension of the transmission band gap is illustrated with combining the effects of Bragg reflection and Anderson localization. We propose that, analog to disordered semiconductors, there may exist two band gaps in disordered PBG structure: transmission gap and mode-density gap.

Paper Details

Date Published: 29 August 2002
PDF: 4 pages
Proc. SPIE 4905, Materials and Devices for Optical and Wireless Communications, (29 August 2002); doi: 10.1117/12.480981
Show Author Affiliations
Hong Chen, Tongji Univ. (China)
Hong-Qiang Li, Tongji Univ. (China)
Xin-Jie Qiu, Tongji Univ. (China)
Nian-Hua Liu, Nanchang Univ. (China)
Shi-Yao Zhu, Hong Kong Baptist Univ. (Hong Kong)

Published in SPIE Proceedings Vol. 4905:
Materials and Devices for Optical and Wireless Communications
Constance J. Chang-Hasnain; YuXing Xia; Kenichi Iga, Editor(s)

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