| ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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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 |
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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.
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Received: 22 December 2015
Revised: 15 March 2016
Accepted manuscript online:
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PACS:
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42.65.Yj
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(Optical parametric oscillators and amplifiers)
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03.65.Ud
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(Entanglement and quantum nonlocality)
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03.67.Mn
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(Entanglement measures, witnesses, and other characterizations)
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| Fund: 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). |
Corresponding Authors:
Rong-Guo Yang
E-mail: yrg@sxu.edu.cn
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Cite this article:
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 2016 Chin. Phys. B 25 074208
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