Ultrafast all-optical switching in nanoplasmonic waveguide with Kerr nonlinear resonator

被引：298
作者：
Lu, Hua [1 ]
Liu, Xueming [1 ]
Wang, Leiran [1 ]
Gong, Yongkang [1 ]
Mao, Dong [1 ]
机构：
[1] Chinese Acad Sci, State Key Lab Transient Opt & Photon, Xian Inst Opt & Precis Mech, Xian 710119, Peoples R China
来源：
OPTICS EXPRESS | 2011年 / 19卷 / 04期
基金：
中国国家自然科学基金;
关键词：
PLASMON-POLARITONS; METAL; FILTERS; TRANSMISSION; BISTABILITY; MICROCAVITY; CRYSTALS; ARRAYS; CAVITY; FILMS;
D O I：
10.1364/OE.19.002910
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A novel ultrafast all-optical switching based on metal-insulator-metal nanoplasmonic waveguide with a Kerr nonlinear resonator is proposed and investigated numerically. With the finite-difference time-domain simulations, it is demonstrated that an obvious optical bistability of the signal light appears by varying the control-light intensity, and an excellent switching effect is achieved. This bistability originates from the intensity-dependent change induced in the dielectric constant of Kerr nonlinear material filled in the nanodisk resonator. It is found that the proposed all-optical switching exhibits femtosecond-scale feedback time. (C) 2011 Optical Society of America
引用
收藏
页码：2910 / 2915
页数：6
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