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Phys Rev Lett. 2005 May 13;94(18):183601. doi: 10.1103/PhysRevLett.94.183601. Epub 2005 May 09.

Generation of paired photons with controllable waveforms.

Physical review letters

Vlatko Balić, Danielle A Braje, Pavel Kolchin, G Y Yin, S E Harris

Affiliations

  1. Edward L. Ginzton Laboratory, Stanford University, Stanford, CA 94305, USA. [email protected]

PMID: 15904367 DOI: 10.1103/PhysRevLett.94.183601

Abstract

We describe experiments and theory showing the generation of counterpropagating paired photons with coherence times of about 50 ns and waveforms that are controllable at a rudimentary level. Using cw lasers, electromagnetically induced transparency and cold 87Rb atoms we generate paired photons into opposing single-mode optical fibers at a rate of approximately 12 000 pairs per second.

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