21 February 2018 Ultrafast single-photon spontaneous emission from an array of quantum-emitters along a photonic waveguide
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Abstract
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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Yao Zhou, Yao Zhou, Zihao Chen, Zihao Chen, Jung-Tsung Shen, Jung-Tsung Shen, } "Ultrafast single-photon spontaneous emission from an array of quantum-emitters along a photonic waveguide", Proc. SPIE 10541, Photonic and Phononic Properties of Engineered Nanostructures VIII, 1054107 (21 February 2018); doi: 10.1117/12.2289379; https://doi.org/10.1117/12.2289379
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