Large Bandwidth Optical Limiting by Kerr Medium Doped One-Dimensional Coupled Cavity Optical Waveguides
DING Wei-Qiang, CHEN Li-Xue, LIU Shu-Tian
Department of Applied Physics, Harbin Institute of Technology, Harbin 150001
Large Bandwidth Optical Limiting by Kerr Medium Doped One-Dimensional Coupled Cavity Optical Waveguides
DING Wei-Qiang;CHEN Li-Xue;LIU Shu-Tian
Department of Applied Physics, Harbin Institute of Technology, Harbin 150001
关键词 ：
42.70.Qs ,
42.60.Da ,
42.65.Hw
Abstract ： We present a new method to realize large bandwidth optical limiting using Kerr nonlinearity doped one-dimensional coupled cavity optical waveguides (CCOWs). When the incident intensity is weak, the structure is a perfect CCOW that supports a high transmission band. When the intensity is increased, the Kerr effects change the refractive index of the Kerr cavity which results in a large decrease of transmission coefficients in the whole band. We numerically analyse the limiter using the nonlinear transfer matrix method and nonlinear finite difference in time domain method. Optical limiting effects are observed in the whole transmission band, and optimization methods are also discussed.
Key words ：
42.70.Qs
42.60.Da
42.65.Hw
出版日期: 2004-08-01
:
42.70.Qs
(Photonic bandgap materials)
42.60.Da
(Resonators, cavities, amplifiers, arrays, and rings)
42.65.Hw
(Phase conjugation; photorefractive and Kerr effects)
引用本文:
DING Wei-Qiang;CHEN Li-Xue;LIU Shu-Tian. Large Bandwidth Optical Limiting by Kerr Medium Doped One-Dimensional Coupled Cavity Optical Waveguides[J]. 中国物理快报, 2004, 21(8): 1539-1541.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2004/V21/I8/1539
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