Modification of spontaneous emission in Bragg onion resonators

被引:9
|
作者
Liang, Wei
Huang, Yanyi
Yariv, Amnon
机构
[1] CALTECH, Dept Appl Phys, Pasadena, CA 91125 USA
[2] Virginia Polytech Inst & State Univ, Dept Elect & Comp Engn 0111, Blacksburg, VA 24061 USA
[3] Ressenlear Polytech Inst, Dept Phys Appl Phys & Astron, Troy, NY USA
关键词
D O I
10.1364/OE.14.007398
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We formulated an analytical model and analyzed the modification of spontaneous emission in Bragg onion resonators. We consider both the case of a single light emitter and a uniformly distributed ensemble of light emitters within the resonator. We obtain an expression for the average radiation rate of the light emitters ensemble and discuss the modification of the average radiation rate as a function of cavity parameters such as the core radius, the number of Bragg cladding layers, the index contrast of the Bragg cladding, and the refractive index of surrounding medium. We also consider the possibility of non-exponential decay of the light emitter ensemble due to the strong dependence of spontaneous emission on the location and polarization of individual light emitter. We conclude that Bragg onion resonators can both enhance and inhibit spontaneous emission by several orders of magnitude. This property can have significant impact in the field of cavity quantum electrodynamics (QED). (c) 2006 Optical Society of America.
引用
收藏
页码:7398 / 7419
页数:22
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