Generation of nonclassical narrowband photon pairs from a cold rubidium cloud
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- Title
- Generation of nonclassical narrowband photon pairs from a cold rubidium cloud
- Authors
- Cho, YW; Park, KK; Lee, JC; Kim, YH
- Date Issued
- 2013-08
- Publisher
- KOREAN PHYSICAL SOC
- Abstract
- We report the generation of nonclassical narrowband photon pairs via the spontaneous four-wave mixing process in a cold Rubidium (Rb-87) cloud prepared in a magneto-optical trap. The generated photon pairs exhibit strong violation of the Cauchy-Schwarz inequality by a factor of 625 +/- 45, confirming nonclassical correlation between the photons. The biphoton wave packets, measured for several different experimental conditions, are in good agreement with the theoretical results.
- Keywords
- Entangled photon pair; Electromagnetically-induced transparency; Spontaneous four-wave mixing; ELECTROMAGNETICALLY INDUCED TRANSPARENCY; PARAMETRIC DOWN-CONVERSION; 2-PHOTON ENTANGLEMENT; QUANTUM COMMUNICATION; ATOMIC ENSEMBLES; DOWNCONVERSION; MEMORY; OPTICS; VAPOR
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/14946
- DOI
- 10.3938/JKPS.63.943
- ISSN
- 0374-4884
- Article Type
- Article
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 63, no. 4, page. 943 - 950, 2013-08
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