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Entanglement and Phase-Sensitivity of a Mach-Zehnder Interferometer for the Coherent Spin State Input

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Abstract

We study quantum entanglement and phase-sensitivity of a Mach-Zehnder interferometer for the coherent spin state input. It’s shown that entanglement and the Heisenberg limit of phase-sensitivity can be obtained adjusting the phase shift and increasing the total photons’ number.

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Authors and Affiliations

  1. College of Communication and Electron, Jiangxi Science and Technology Normal University, Nanchang, 330013, People’s Republic of China

    Xiao-jie Yi

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  1. Xiao-jie Yi
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Yi, Xj. Entanglement and Phase-Sensitivity of a Mach-Zehnder Interferometer for the Coherent Spin State Input. Int J Theor Phys 56, 1116–1120 (2017). https://doi.org/10.1007/s10773-016-3253-y

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  • DOI: https://doi.org/10.1007/s10773-016-3253-y

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