Ultrafast single-photon spontaneous emission from an array of quantum-emitters along a photonic waveguide

被引:4
|
作者
Zhou, Yao [1 ]
Chen, Zihao [1 ]
Shen, Jung-Tsung [1 ]
机构
[1] Washington Univ, Dept Elect & Syst Engn, St Louis, MO 63130 USA
关键词
D O I
10.1117/12.2289379
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In a waveguide-QED system, under certain condition, the spontaneous emission rate of an atom cloud with a single excitation can be enhanced. Single-photon superradiance refers to the case when the enhancement attains its maximum. We show that an atom cloud exhibiting single-photon superradiance can be described by an effective two-level system. We also adopt a real space numerical approach to validate the understanding of single-photon superradiance using such an effective mapping picture. We further numerically investigate the spontaneous emission of superradiant state and dark state.
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页数:7
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