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Proceedings Paper

Nonclassical photon pairs generated by a room-temperature atomic ensemble
Author(s): Wei Jiang; Chao Han; Peng Xue; L.-M. Duan; Guang-Can Guo
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Paper Abstract

We report experimental generation of nonclassically correlated photon pairs from collective emission in a room temperature atomic vapor cell. The nonclassical feature of the emission is demonstrated by observing a violation of the Cauchy-Schwarz inequality. Each pair of correlated photons are separated by a controllable time delay up to 2 microseconds. This experiment demonstrates an important step towards the realization of the Duan-Lukin-Cirac-Zoller scheme for scalable long-distance quantum communication.

Paper Details

Date Published: 25 May 2004
PDF: 8 pages
Proc. SPIE 5468, Fluctuations and Noise in Photonics and Quantum Optics II, (25 May 2004); doi: 10.1117/12.547263
Show Author Affiliations
Wei Jiang, Univ. of Science and Technology of China (China)
Chao Han, Univ. of Science and Technology of China (China)
Peng Xue, Univ. of Science and Technology of China (China)
L.-M. Duan, Univ. of Michigan (United States)
Univ. of Science and Technology of China (China)
Guang-Can Guo, Univ. of Science and Technology of China (China)


Published in SPIE Proceedings Vol. 5468:
Fluctuations and Noise in Photonics and Quantum Optics II
Peter Heszler, Editor(s)

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