| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Generating Squeezed States of Nanomechanical Resonator via a Flux Qubit in a Hybrid System |
| Chao-Quan Wang1**, Jian Zou1, Zhi-Ming Zhang2 |
1School of Physics, Beijing Institute of Technology, Beijing 100081
2Laboratory of Nanophotonic Functional Materials and Devices, SIPSE and LQIT, South China Normal University, Guangzhou 510006
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| Cite this article: |
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Chao-Quan Wang, Jian Zou, Zhi-Ming Zhang 2016 Chin. Phys. Lett. 33 024202 |
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Abstract We propose a scheme for generating squeezed states based on a superconducting hybrid system. Our system consists of a nanomechanical resonator, a superconducting flux qubit, and a superconducting transmission line resonator. Using our proposal, one can easily generate the squeezed states of the nanomechanical resonator. In our scheme, the nonlinear interaction between the nanomechanical resonator and the superconducting transmission line resonator can be implemented by the flux qubit as 'nonlinear media' with a tunable Josephson energy. The realization of the nonlinearity does not need any operations on the flux qubit and just needs to adiabatically keep it at the ground state, which can greatly decrease the effect of the decoherence of the flux qubit on the squeezed efficiency.
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Received: 16 October 2015
Published: 26 February 2016
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| PACS: |
42.50.Ct
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(Quantum description of interaction of light and matter; related experiments)
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03.67.-a
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(Quantum information)
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85.25.Dq
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(Superconducting quantum interference devices (SQUIDs))
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