Entanglement and Phase-Sensitivity of a Mach-Zehnder Interferometer for the Coherent Spin State Input |
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| Authors: | Xiao-jie Yi |
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| Institution: | 1.College of Communication and Electron,Jiangxi Science and Technology Normal University,Nanchang,People’s Republic of China |
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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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