Effect of Invariant Transformation in One-Dimensional Randomly-Perturbed Photonic Crystal
HAN Peng, WANG He-Zhou
State Key Laboratory of Optoelectronic Materials and Technologies, Zhongshan University, Guangzhou 510275
Effect of Invariant Transformation in One-Dimensional Randomly-Perturbed Photonic Crystal
HAN Peng; WANG He-Zhou
State Key Laboratory of Optoelectronic Materials and Technologies, Zhongshan University, Guangzhou 510275
关键词 ：
42.70.Qs ,
71.55.Jv
Abstract ： An effect of invariant transformation in one-dimensional randomly-perturbed photonic crystals is presented analytically and numerically. According to this effect, localization length can be investigated in different identical intervals, and the relations among these zones are governed by a simple expression. A concept of effective randomness is introduced as a result, which denotes the disorder of phase shifts actually. The divergent behaviour of localization length in the limit of low frequency can be interpreted directly through this effect. Since the effect is obtained without any approximation, it is expected to be useful in understanding the general intrinsic nature of one-dimensional randomly-perturbed photonic crystals.
Key words ：
42.70.Qs
71.55.Jv
出版日期: 2003-09-01
:
42.70.Qs
(Photonic bandgap materials)
71.55.Jv
(Disordered structures; amorphous and glassy solids)
引用本文:
HAN Peng; WANG He-Zhou. Effect of Invariant Transformation in One-Dimensional Randomly-Perturbed Photonic Crystal[J]. 中国物理快报, 2003, 20(9): 1520-1523.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2003/V20/I9/1520
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2003, Vol. 20 
