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Chin. Opt. Lett.
 Home  List of Issues    Issue 08 , Vol. 16 , 2018    10.3788/COL201816.082701


Efficient generation of non-classical photon pairs in a hot atomic ensemble
Chengyuan Wang, Yan Gu, Ya Yu, Dong Wei, Pei Zhang, Hong Gao, and Fuli Li
Shaanxi Key Laboratory of Quantum Information and Quantum Optoelectronic Devices, School of Science, [Xi'an Jiaotong University], Xi'an 710049, China

Chin. Opt. Lett., 2018, 16(08): pp.082701

DOI:10.3788/COL201816.082701
Topic:Quantum optics
Keywords(OCIS Code): 270.5290  190.4223  

Abstract
We demonstrate the generation of non-classical photon pairs in a warm Rb87 atomic vapor cell with no buffer gas or polarization preserving coatings via spontaneous four-wave mixing. We obtain the photon pairs with a 1/e correlation time of 40 ns and the violation of Cauchy–Schwartz inequality by a factor of 23±3. This provides a convenient and efficient method to generate photon pair sources based on an atomic ensemble.

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Received:2018/3/31
Accepted:2018/6/6
Posted online:2018/7/16

Get Citation: Chengyuan Wang, Yan Gu, Ya Yu, Dong Wei, Pei Zhang, Hong Gao, and Fuli Li, "Efficient generation of non-classical photon pairs in a hot atomic ensemble," Chin. Opt. Lett. 16(08), 082701(2018)

Note: This work was supported by the Fundamental Research Funds for the Central Universities and the National Natural Science Foundation of China (Nos. 11774286, 11374238, 11574247, 11374008, and 11534008).



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