Gain-type optomechanically induced absorption and precise mass sensor in a hybrid optomechanical system
- 25 February 2021
- journal article
- research article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 129 (8), 084504
- https://doi.org/10.1063/5.0039785
Abstract
The sign of quantum interference (constructive or destructive) based on cavity optomechanics is crucial for observing quantum phenomena and designing high-sensitivity sensors with an integrable structure. Here, we propose an efficient scheme to generate constructive interference and optomechanically induced absorption (OMIA) in a hybrid atom–cavity optomechanical system. Using experimentally achievable parameters, we theoretically demonstrate that a gain-type OMIA dip with the extremely narrow linewidth and the enhanced spectral intensity can be modulated by an assisted atom that is excited by an external control field. More importantly, we report that a precise mass sensor is achieved by employing an observable correlation between the OMIA dip and the added mass deposited on the mechanical object. With the help of the back-action cooling of the mechanical object, we identify that the detection sensitivity and minimum resolution of the mass sensor can reach and , respectively.
Keywords
Funding Information
- National Key Research and Development Program of China (2018YFB1800905)
- National Natural Science Foundation of China (12004189, 61835005, 61822507, 61522501, 61475024, 61675004, 61705107, 61727817, 61775098)
- Basic Research Program of Jiangsu Province (BK20190768)
- Natural Science Research of Jiangsu Higher Education Institutions of China (19KJB140002)
- National Natural Science Foundation of China (61720106015)
- National Natural Science Foundation of China (61875248)
- National Natural Science Foundation of China (61975084)
- National Natural Science Foundation of China (11374050)
- National Natural Science Foundation of China (11774054)
- Beijing Young Talent (2016000026833ZK15)
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