Tolerance of Photonic Crystal Impurity Bands to Disorder of Defects in Coupled Cavity Waveguides
LIN Xu-Sheng, HUANG Chong, OUYANG Yan-Dong, LAN Sheng
Department of Physics, Shantou University, Guangdong 515063
Tolerance of Photonic Crystal Impurity Bands to Disorder of Defects in Coupled Cavity Waveguides
LIN Xu-Sheng;HUANG Chong;OUYANG Yan-Dong;LAN Sheng
Department of Physics, Shantou University, Guangdong 515063
关键词 ：
42.70.Qs ,
42.79.Gn
Abstract ： We investigate the tolerance of photonic crystal impurity bands to the disorder of defects in one-dimensional coupled cavity waveguides. Although impurity bands formed by defect modes close to the air band are quasiflat in the absence of disorder, they are easily deteriorated when disorders are introduced into defects. In contrast, impurity bands created by defect modes near the dielectric band are less sensitive to disorder in the defect size. It is found that the sensitivity of defect mode frequency to defect size and the quality factor of defect modes are two crucial factors in determining the tolerance of impurity bands to the disorder of defects.
Key words ：
42.70.Qs
42.79.Gn
出版日期: 2004-05-01
:
42.70.Qs
(Photonic bandgap materials)
42.79.Gn
(Optical waveguides and couplers)
引用本文:
LIN Xu-Sheng;HUANG Chong;OUYANG Yan-Dong;LAN Sheng. Tolerance of Photonic Crystal Impurity Bands to Disorder of Defects in Coupled Cavity Waveguides[J]. 中国物理快报, 2004, 21(5): 863-866.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2004/V21/I5/863
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2004, Vol. 21 
