Generation of strong mechanical squeezing through the joint effect of two-tone driving and parametric pumping
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arXiv
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| Auteurs principaux: | , , , , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866914953517072384 |
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| author | Wu, Xiao-Jie Cheng, Huan-Huan Wu, Qiannan Bai, Cheng-Hua Wu, Shao-Xiong |
| author_facet | Wu, Xiao-Jie Cheng, Huan-Huan Wu, Qiannan Bai, Cheng-Hua Wu, Shao-Xiong |
| contents | We propose an innovative scheme to efficiently prepare strong mechanical squeezing through utilizing the synergistic mechanism of two-tone driving and parametric pumping in an optomechanical system. By reasonable choosing the system parameters, the proposal highlights the following prominent advantages: the squeezing effect of the cavity field induced by the optical parametric amplifier can be transferred to the mechanical oscillator, which has been squeezed by the two-tone driving, and the degree of squeezing of the mechanical oscillator will surpass that obtained by any single mechanism; the joint mechanism can enhance the degree of squeezing significantly and break the 3 dB mechanical squeezing limit, which is particularly evident in range where the red/blue-detuned ratio is sub-optimal; the mechanical squeezing achieved through this distinctive joint mechanism exhibits notable robustness against both thermal noise and decay of mechanical oscillator. Our project offers a versatile and efficient approach for generating strong mechanical squeezing across a wide range of conditions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_13323 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Generation of strong mechanical squeezing through the joint effect of two-tone driving and parametric pumping Wu, Xiao-Jie Cheng, Huan-Huan Wu, Qiannan Bai, Cheng-Hua Wu, Shao-Xiong Quantum Physics We propose an innovative scheme to efficiently prepare strong mechanical squeezing through utilizing the synergistic mechanism of two-tone driving and parametric pumping in an optomechanical system. By reasonable choosing the system parameters, the proposal highlights the following prominent advantages: the squeezing effect of the cavity field induced by the optical parametric amplifier can be transferred to the mechanical oscillator, which has been squeezed by the two-tone driving, and the degree of squeezing of the mechanical oscillator will surpass that obtained by any single mechanism; the joint mechanism can enhance the degree of squeezing significantly and break the 3 dB mechanical squeezing limit, which is particularly evident in range where the red/blue-detuned ratio is sub-optimal; the mechanical squeezing achieved through this distinctive joint mechanism exhibits notable robustness against both thermal noise and decay of mechanical oscillator. Our project offers a versatile and efficient approach for generating strong mechanical squeezing across a wide range of conditions. |
| title | Generation of strong mechanical squeezing through the joint effect of two-tone driving and parametric pumping |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2409.13323 |