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Title: Theoretical description of a micromaser in the ultrastrong-coupling regime
Authors: Yu, Deshui
Kwek, Leong Chuan
Amico, Luigi
Dumke, Rainer
Keywords: Counter rotating
Rotating wave approximations
Issue Date: 2017
Source: Yu, D., Kwek, L. C., Amico, L., & Dumke, R. (2017). Theoretical description of a micromaser in the ultrastrong-coupling regime. Physical Review A, 95(5), 053811-.
Series/Report no.: Physical Review A
Abstract: We theoretically investigate an ultrastrong-coupled micromaser based on Rydberg atoms interacting with a superconducting LC resonator, where the common rotating-wave approximation and slowly varying envelope approximation are no longer applicable. The effect of counter-rotating terms on masing dynamics is studied in detail. We find that the intraresonator electric energy declines and the microwave oscillation frequency shifts significantly in the regime of ultrastrong coupling. Additionally, the micromaser phase fluctuation is suppressed, resulting in a reduced spectral linewidth.
ISSN: 2469-9926
DOI: 10.1103/PhysRevA.95.053811
Research Centres: Institute of Advanced Studies 
Rights: © 2017 American Physical Society (APS). This paper was published in Physical Review A and is made available as an electronic reprint (preprint) with permission of American Physical Society (APS). The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:IAS Journal Articles

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