An efficient optical knob from slow light to fast light in a coupled nanomechanical resonator-quantum dot system

被引：11
|
作者：
Li, Jin-Jin [1 ]
Zhu, Ka-Di [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Phys, Shanghai 200240, Peoples R China
来源：
OPTICS EXPRESS | 2009年 / 17卷 / 22期
基金：
中国国家自然科学基金;
关键词：
ELECTROMAGNETICALLY INDUCED TRANSPARENCY; ATOMIC GAS; PROPAGATION; WELLS;
D O I：
10.1364/OE.17.019874
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We theoretically present a highly efficient optical method to obtain slow and fast light in a coupled system consisting of a nanomechanical resonator and quantum dots in terms of mechanically induced coherent population oscillation (MICPO). Turning on or turning off the specific detuning of pump field from exciton resonance, this coupling system can provide us a direct optical way to obtain the slow or fast group velocity without absorption. Our coupling scheme proposed here works as a fast-and slow-light knob and may have potential applications in various domains such as optical communication and biology sensor. (C) 2009 Optical Society of America
引用
收藏
页码：19874 / 19881
页数：8
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