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Published April 1, 2005 | public
Journal Article Open

Spontaneous spectral phase conjugation for coincident frequency entanglement


Spontaneous parametric processes pumped transversely with short pulses are studied under a unified framework, which proves that such processes can efficiently generate entangled photon pairs with time anticorrelation and frequency correlation. Improvements upon previously proposed schemes can be made by the use of quasi-phase-matching, four-wave mixing, and cross-phase-modulation compensation. The use of frequency-correlated photons in the Hung-Ou-Mandel interferometer is studied.

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©2005 The American Physical Society (Received 19 October 2004; revised 30 November 2004; published 11 April 2005)


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