Simultaneous cooling coupled nano-mechanical resonators in cavity optomechanics

Li, Ji-Xin and Ooi, Chong Heng Raymond and Wang, Qiong and Chang, Sheng-Li (2023) Simultaneous cooling coupled nano-mechanical resonators in cavity optomechanics. Laser Physics, 33 (3). ISSN 1054-660X, DOI https://doi.org/10.1088/1555-6611/acb5a7.

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Abstract

Coupled mechanical resonators have recently attracted great attention for both practical applications and fundamental studies. As a preparation step, it is needed to cool the coupled mechanical resonators to their ground states. Here we propose a theoretical scheme to cool two coupled mechanical resonators by introducing an optomechanical interface. The final mean phonon numbers of the two mechanical resonators are calculated exactly and the results show that the ground-state cooling is achievable in the resolved-sideband regime and under the optimal driving. Moreover, we derived analytical expressions of the cooling limits by adiabatically eliminating the cavity field under the large-decay limit.

Item Type: Article
Funders: UNSPECIFIED
Uncontrolled Keywords: Cavity optomechanics; Laser cooling; Coupled nano-mechanical resonator
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
Divisions: Faculty of Science
Faculty of Science > Department of Physics
Depositing User: Ms Zaharah Ramly
Date Deposited: 04 Nov 2024 04:39
Last Modified: 04 Nov 2024 04:39
URI: http://eprints.um.edu.my/id/eprint/38522

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