Enhanced atom-resonator coupling using superradiance in whispering gallery mode

Yao Zhou; Zihao Chen; Jung-Tsung Shen

doi:10.1117/12.2516880

4 March 2019 Enhanced atom-resonator coupling using superradiance in whispering gallery mode

Yao Zhou, Zihao Chen, Jung-Tsung Shen

Proceedings Volume 10927, Photonic and Phononic Properties of Engineered Nanostructures IX; 109270X (2019) https://doi.org/10.1117/12.2516880
Event: SPIE OPTO, 2019, San Francisco, California, United States

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.

Conference Presentation

Citation Download Citation

Yao Zhou, Zihao Chen, and Jung-Tsung Shen "Enhanced atom-resonator coupling using superradiance in whispering gallery mode", Proc. SPIE 10927, Photonic and Phononic Properties of Engineered Nanostructures IX, 109270X (4 March 2019); https://doi.org/10.1117/12.2516880

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