1 Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou 310018, China; 2 Shanghai Institute of Space Power Sources, Shanghai Academy of Spaceflight Technology, Shanghai 200245, China; 3 School of Physics and Electronic Engineering, Guangzhou University, Guangzhou 510006, China
Abstract A scheme is proposed to generate genuine tripartite Einstein-Podolsky-Rosen (EPR) steering in cascaded nonlinear process of the fourth-harmonic generation. The second-harmonic is generated by the first double-frequency process in an optical superlattice. Then, the fourth-harmonic is produced by the second cascaded double-frequency process through quasi-phase-matching technique in the same optical superlattice. The genuine tripartite EPR steering among the pump, the second-harmonic, and the fourth-harmonic beams can be obtained by this cascaded nonlinear process according to a criterion for genuine multipartite quantum steering. The quantum steering properties are discussed by adjusting the parameters related to the cascaded nonlinear system. The present research provides a reference scheme and data for obtaining good multipartite EPR steering in experiment and can advance the applications of quantum steering in the quantum information processing.
(Frequency conversion; harmonic generation, including higher-order harmonic generation)
Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 61975184, 91636108, and 61775043), the Natural Science Foundation of Zhejiang Province, China (Grant No. LY18A040007), the Science Foundation of Zhejiang Sci-Tech University (Grant Nos. 19062151-Y and 18062145-Y), and the Open Foundation of the Key Laboratory of Optical Field Manipulation of Zhejiang Province, China (Grant No. ZJOFM-2019-002).
Corresponding Authors:
You-Bin Yu, Xiao-Bin He
E-mail: ybyu@163.com;33349445@qq.com
Cite this article:
Yu Liu(刘瑜), Su-Ling Liang(梁素玲), Guang-Ri Jin(金光日), You-Bin Yu(俞友宾), Jian-Yu Lan(蓝建宇), Xiao-Bin He(何小斌), Kang-Xian Guo(郭康贤) Generation of tripartite Einstein-Podolsky-Rosen steering by cascaded nonlinear process 2020 Chin. Phys. B 29 050301
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