All-optical switching with a nonlinear chiral photonic bandgap structure

被引:55
|
作者
Tran, P [1 ]
机构
[1] USN, Air Warfare Ctr, Weap Div, Res & Technol Div, China Lake, CA 93555 USA
关键词
D O I
10.1364/JOSAB.16.000070
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A pump-probe optical switching mechanism that uses a nonlinear chiral photonic bandgap structure is proposed. The switching is achieved by shifting the bandgap of the structure; the chirality permits the use of the same frequency for the pump and the probe beam. The pump beam is never transmitted, so there is no dis; crimination problem. A new extension of the finite-difference time-domain technique is developed to simulate the propagation of an electromagnetic wave in a Kerr nonlinear chiral medium. (C) 1999 Optical Society of America. [S0740-3224(98)00212-4]. OCIS codes: 230.1150, 190.4360.
引用
收藏
页码:70 / 73
页数:4
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