Generation of entangled TEM01 modes withperiodically poled KTiOPO4 crystal

doi:10.1088/1674-1056/25/7/074208

中国物理B ›› 2016, Vol. 25 ›› Issue (7): 74208-074208.doi: 10.1088/1674-1056/25/7/074208

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Generation of entangled TEM₀₁ modes withperiodically poled KTiOPO₄ crystal

Rong-Guo Yang(杨荣国), Jing-jing Wang(王晶静), Jing Zhang(张静), Heng-Xin Sun(孙恒信)

1 State Key Laboratory of Quantum Optics and Quantum Optics Devices, Shanxi University, Taiyuan 030006, China;
2 College of Physics and Electronics Engineering, Shanxi University, Taiyuan 030006, China;
3 Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China

收稿日期:2015-12-22 修回日期:2016-03-15 出版日期:2016-07-05 发布日期:2016-07-05
通讯作者: Rong-Guo Yang E-mail:yrg@sxu.edu.cn
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11504218 and 61108003) and the Natural Science Foundation of Shanxi Province, China (Grant No. 2013021005-2).

Generation of entangled TEM₀₁ modes withperiodically poled KTiOPO₄ crystal

Rong-Guo Yang(杨荣国)^1,2, Jing-jing Wang(王晶静)², Jing Zhang(张静)^1,2, Heng-Xin Sun(孙恒信)^1,3

1 State Key Laboratory of Quantum Optics and Quantum Optics Devices, Shanxi University, Taiyuan 030006, China;
2 College of Physics and Electronics Engineering, Shanxi University, Taiyuan 030006, China;
3 Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China

Received:2015-12-22 Revised:2016-03-15 Online:2016-07-05 Published:2016-07-05
Contact: Rong-Guo Yang E-mail:yrg@sxu.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11504218 and 61108003) and the Natural Science Foundation of Shanxi Province, China (Grant No. 2013021005-2).

摘要/Abstract

摘要： Spatial quantum optics based on the high-order transverse mode is important for the super-resolution measurement and quantum image beyond the shot noise level. Quantum entanglement of the transverse plane Hermite-Gauss TEM₀₁ mode has been demonstrated experimentally in this paper. Two squeezed TEM₀₁ modes, which are generated by a pair of degenerate optical parametric amplifiers (DOPA) with the nonlinear crystals of periodically poled KTiOPO₄, have been combined to produce TEM₀₁ mode entanglement using a beam splitter. The 1.5 dB for the sum of amplitude and 1.2 dB for the difference of phase below shot-noise level is achieved with the measurement system of a Bell state detection.

关键词: Hermite-Gauss mode, entangled state, degenerate optical parametric amplifier

Abstract: Spatial quantum optics based on the high-order transverse mode is important for the super-resolution measurement and quantum image beyond the shot noise level. Quantum entanglement of the transverse plane Hermite-Gauss TEM₀₁ mode has been demonstrated experimentally in this paper. Two squeezed TEM₀₁ modes, which are generated by a pair of degenerate optical parametric amplifiers (DOPA) with the nonlinear crystals of periodically poled KTiOPO₄, have been combined to produce TEM₀₁ mode entanglement using a beam splitter. The 1.5 dB for the sum of amplitude and 1.2 dB for the difference of phase below shot-noise level is achieved with the measurement system of a Bell state detection.

Key words: Hermite-Gauss mode, entangled state, degenerate optical parametric amplifier

中图分类号: (Optical parametric oscillators and amplifiers)

42.65.Yj

03.65.Ud (Entanglement and quantum nonlocality) 03.67.Mn (Entanglement measures, witnesses, and other characterizations)

杨荣国, 王晶静, 张静, 孙恒信. Generation of entangled TEM₀₁ modes withperiodically poled KTiOPO₄ crystal[J]. 中国物理B, 2016, 25(7): 74208-074208.

Rong-Guo Yang(杨荣国), Jing-jing Wang(王晶静), Jing Zhang(张静), Heng-Xin Sun(孙恒信). Generation of entangled TEM₀₁ modes withperiodically poled KTiOPO₄ crystal[J]. Chin. Phys. B, 2016, 25(7): 74208-074208.

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Generation of entangled TEM₀₁ modes withperiodically poled KTiOPO₄ crystal

Generation of entangled TEM₀₁ modes withperiodically poled KTiOPO₄ crystal

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