Nonclassical photon pairs generated by a room-temperature atomic ensemble

Wei Jiang; Chao Han; Peng Xue; L.-M. Duan; Guang-Can Guo

doi:10.1117/12.547263

25 May 2004 Nonclassical photon pairs generated by a room-temperature atomic ensemble

Wei Jiang, Chao Han, Peng Xue, L.-M. Duan, Guang-Can Guo

Proceedings Volume 5468, Fluctuations and Noise in Photonics and Quantum Optics II; (2004) https://doi.org/10.1117/12.547263
Event: Second International Symposium on Fluctuations and Noise, 2004, Maspalomas, Gran Canaria Island, Spain

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.

Citation Download Citation

Wei Jiang, Chao Han, Peng Xue, L.-M. Duan, and Guang-Can Guo "Nonclassical photon pairs generated by a room-temperature atomic ensemble", Proc. SPIE 5468, Fluctuations and Noise in Photonics and Quantum Optics II, (25 May 2004); https://doi.org/10.1117/12.547263

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