A compact Einstein–Podolsky–Rosen entangled light source

doi:10.1088/1674-1056/24/7/070303

Abstract We present a stable entangled light source that integrates the pump laser, entanglement generator, detectors, and electronic control systems. By optimizing the design of the mechanical elements and the optical path, the size of the source is minimized, and the quantum correlations over 6 dB can be directly provided by the entangled source. The compact and stable entangled light source is suitable for practical applications in quantum information science and technology. The presented protocol provides a useful reference for manufacturing products of bright entangled light sources.

Keywords: compact entangled light source Bell-state detection

Received: 15 November 2014
Revised: 02 February 2015
Accepted manuscript online:

PACS:	03.65.Ud	(Entanglement and quantum nonlocality)
	03.67.Mn	(Entanglement measures, witnesses, and other characterizations)
	07.60.-j	(Optical instruments and equipment)

Fund: Project supported by the National Natural Science Foundation of China (Grant No. 61227015) and the Program for the Outstanding Innovative Teams of Higher Learning Institutions of Shanxi, China.

Corresponding Authors: Zheng Yao-Hui
E-mail: yhzheng@sxu.edu.cn

Cite this article:

Wang Ya-Jun (王雅君), Yang Wen-Hai (杨文海), Zheng Yao-Hui (郑耀辉), Peng Kun-Chi (彭堃墀) A compact Einstein–Podolsky–Rosen entangled light source 2015 Chin. Phys. B 24 070303

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A compact Einstein–Podolsky–Rosen entangled light source

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