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Tunable ponderomotive squeezing induced by Coulomb interaction in an optomechanical system |
| Qin Wu(吴琴) |
| School of Information Engineering, Guangdong Medical University, Dongguan 523808, China |
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Abstract We investigate the properties of the ponderomotive squeezing in an optomechanical system coupled to a charged nanomechanical oscillator (NMO) nearby via Coulomb force. We find that the introduction of Coulomb interaction allows the generation of squeezed output light from this system. Our numerical results show that the degree of squeezing can be tuned by the Coulomb coupling strength, the power of laser, and the frequencies of NMOs. Furthermore, the squeezing generated in our approach can be used to measure the Coulomb coupling strength.
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Received: 20 August 2015
Revised: 17 September 2015
Accepted manuscript online:
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PACS:
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03.67.-a
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(Quantum information)
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42.50.Lc
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(Quantum fluctuations, quantum noise, and quantum jumps)
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46.80.+j
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(Measurement methods and techniques in continuum mechanics of solids)
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Corresponding Authors:
Qin Wu
E-mail: 905374532@qq.com
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Cite this article:
Qin Wu(吴琴) Tunable ponderomotive squeezing induced by Coulomb interaction in an optomechanical system 2016 Chin. Phys. B 25 010304
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