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Proceedings Paper

Enhanced atom-resonator coupling using superradiance in whispering gallery mode
Author(s): Yao Zhou; Zihao Chen; Jung-Tsung Shen
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Paper Abstract

Atom coherence in the cooperative interaction between the atoms and a single photon creates ultrafast spontaneous emission and ultrastrong intensity peaks, namely single-photon superradiance, which has attracted considerable research interest in the recent years. As the investigation for such a single-photon superradiance usually involves only quantum emitters, in this paper we present the cooperative atom-photon interaction in a system including whispering gallery mode resonators, which are one of the most essential components in nanophotonic devices. Here we both analytically and computationally show that the separated atoms on a resonator can obtain cooperative interaction, manifesting superradiant coupling strength, which results in the ultrafast spontaneous emission and ultrastrong intensity peaks. The conditions of such single-photon superradiance are called whispering gallery mode superradiance conditions. Furthermore, the atoms are proved to have cooperative interaction on a cascade of resonators by a renormalization approach.

Paper Details

Date Published: 4 March 2019
PDF: 7 pages
Proc. SPIE 10927, Photonic and Phononic Properties of Engineered Nanostructures IX, 109270X (4 March 2019); doi: 10.1117/12.2516880
Show Author Affiliations
Yao Zhou, Washington Univ. in St. Louis (United States)
Zihao Chen, Washington Univ. in St. Louis (United States)
Jung-Tsung Shen, Washington Univ. in St. Louis (United States)


Published in SPIE Proceedings Vol. 10927:
Photonic and Phononic Properties of Engineered Nanostructures IX
Ali Adibi; Shawn-Yu Lin; Axel Scherer, Editor(s)

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