A compact Einstein–Podolsky–Rosen entangled light source

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

中国物理B ›› 2015, Vol. 24 ›› Issue (7): 70303-070303.doi: 10.1088/1674-1056/24/7/070303

A compact Einstein–Podolsky–Rosen entangled light source

王雅君, 杨文海, 郑耀辉, 彭堃墀

State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China

收稿日期:2014-11-15 修回日期:2015-02-02 出版日期:2015-07-05 发布日期:2015-07-05
基金资助:
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.

A compact Einstein–Podolsky–Rosen entangled light source

Wang Ya-Jun (王雅君), Yang Wen-Hai (杨文海), Zheng Yao-Hui (郑耀辉), Peng Kun-Chi (彭堃墀)

State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China

Received:2014-11-15 Revised:2015-02-02 Online:2015-07-05 Published:2015-07-05
Contact: Zheng Yao-Hui E-mail:yhzheng@sxu.edu.cn
Supported by:
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.

摘要/Abstract

摘要： 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.

关键词: compact entangled light source, Bell-state detection

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.

Key words: compact entangled light source, Bell-state detection

中图分类号: (Entanglement and quantum nonlocality)

03.65.Ud

03.67.Mn (Entanglement measures, witnesses, and other characterizations) 07.60.-j (Optical instruments and equipment)

王雅君, 杨文海, 郑耀辉, 彭堃墀. A compact Einstein–Podolsky–Rosen entangled light source[J]. 中国物理B, 2015, 24(7): 70303-070303.

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[J]. Chin. Phys. B, 2015, 24(7): 70303-070303.

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A compact Einstein–Podolsky–Rosen entangled light source

A compact Einstein–Podolsky–Rosen entangled light source

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