Cavity-Assisted Single-Mode and Two-Mode Spin-Squeezed States via Phase-Locked Atom-Photon Coupling

We propose a scheme to realize the two-axis countertwisting spin-squeezing Hamiltonian inside an optical cavity with the aid of phase-locked atom-photon coupling. By careful analysis and extensive simulation, we demonstrate that our scheme is robust against dissipation caused by cavity loss and atom...

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Published in:Physical review letters 2017-02, Vol.118 (8), p.083604-083604, Article 083604
Main Authors: Zhang, Yong-Chang, Zhou, Xiang-Fa, Zhou, Xingxiang, Guo, Guang-Can, Zhou, Zheng-Wei
Format: Article
Language:English
Subjects:
Compressing
Coupling
Dissipation
Holes
Robustness
Simulation
Spontaneous emission
Twisting
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description We propose a scheme to realize the two-axis countertwisting spin-squeezing Hamiltonian inside an optical cavity with the aid of phase-locked atom-photon coupling. By careful analysis and extensive simulation, we demonstrate that our scheme is robust against dissipation caused by cavity loss and atomic spontaneous emission, and it can achieve significantly higher squeezing than one-axis twisting. We further show how our idea can be extended to generate two-mode spin-squeezed states in two coupled cavities. Because of its easy implementation and high tunability, our scheme is experimentally realizable with current technologies.
doi_str_mv 10.1103/PhysRevLett.118.083604
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source American Physical Society:Jisc Collections:APS Read and Publish 2023-2025 (reading list)
subjects Compressing
Coupling
Dissipation
Holes
Robustness
Simulation
Spontaneous emission
Twisting
title Cavity-Assisted Single-Mode and Two-Mode Spin-Squeezed States via Phase-Locked Atom-Photon Coupling
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