30 August 2006 Engineering the frequency correlations of paired photons with tilted pulses in parametric downconversion
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Abstract
We put forward a new scheme to tailor the frequency correlations of paired photons which allows their spectral properties to be tuned from correlation to anticorrelation, including uncorrelation. The method is based on the proper tailoring of the group velocities of all interacting waves through the use of beams with angular dispersion. The method can be implemented in materials and frequency bands where conventional solutions do not hold. This technique makes possible the generation of frequency correlated photons, heralded single photons with a high degree of purity from pairs of uncorrelated photons, and the suppression of distinguishing information contained in the frequency spectrum of polarization entangled photon pairs.
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M. Hendrych, N. González, J. P. Torres, "Engineering the frequency correlations of paired photons with tilted pulses in parametric downconversion", Proc. SPIE 6305, Quantum Communications and Quantum Imaging IV, 630512 (30 August 2006); doi: 10.1117/12.677840; https://doi.org/10.1117/12.677840
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