Localization of Surface-Exciton Polaritons
WANG Qing-Song, CHENG Ze
Department of Physics, Huanzhong University of Science and
Technology, Wuhan 430074
Localization of Surface-Exciton Polaritons
WANG Qing-Song;CHENG Ze
Department of Physics, Huanzhong University of Science and
Technology, Wuhan 430074
关键词 ：
72.15.Rn ,
42.25.Dd ,
78.68.Gp
Abstract ： We develop a numerical model to investigate the localization of surface-exciton polaritons in the presence of random roughness and spatial dispersion. It is found that the localization occurs in a limited frequency range near the maximum frequency of surface-exciton polaritons. The decaying length in the extended region is much larger than that in the localized region. The localization of surface-exciton polaritons is due to the destructive interference between waves scattered from the rough surface.
Key words ：
72.15.Rn
42.25.Dd
78.68.Gp
出版日期: 2002-07-01
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2002, Vol. 19 
