Experimental simulation of spin-1 states by second-order type-II parametric down-conversion

ZHAO Jia-qiang; CAO Lian-zhen; YANG Yang; LU Huai-xin

doi:doi:10.1007/s11801-017-6234-3

光电子快报（英文版）, 2017, 13 (1): 74, Published Online: Sep. 13, 2018

Experimental simulation of spin-1 states by second-order type-II parametric down-conversion

论文大纲

ZHAO Jia-qiang ^*CAO Lian-zhen YANG Yang LU Huai-xin

Author Affiliations

Key Laboratory of Multi-photon Entanglement and Manipulation of Shandong Province, Department of Physics and Electronic Science, Weifang University, Weifang 261061, China

Abstract

In this paper, by using the second-order parametric down-conversion of the nonlinear crystal, the spin-1 state is simulated by the two-photon polarization entangled modes. Through adjusting the laser pulse power density, the efficiency of second-order parametric down-conversion is enhanced. The intensity of the spin-1 state is 0.5/s. The fidelity of the state is up to F=0.891±0.002, and the contrast is C=17.3. The results provide a new method for Stern-Gerlach measurement on the spin-1 system.

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ZHAO Jia-qiang, CAO Lian-zhen, YANG Yang, LU Huai-xin. Experimental simulation of spin-1 states by second-order type-II parametric down-conversion[J]. 光电子快报（英文版）, 2017, 13(1): 74.

Experimental simulation of spin-1 states by second-order type-II parametric down-conversion

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