Published in
Optica, Optics Letters, 3(30), p. 314, 2005
DOI: 10.1364/ol.30.000314
EQEC '05. European Quantum Electronics Conference, 2005.
DOI: 10.1109/eqec.2005.1567488
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Engineering the frequency correlations of entangled two-photon states by achromatic phase matching
Journal article published in 2005 by
M. Hendrych,
Ferran Macià,
Silva Carrasco,
Juan P. Torres 
,
Lluis Torner
,
Lluis Torner
This paper is available in a repository.
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Abstract
We put forward a new method to control the spectra of photon pairs generated in parametric downconversion that allows their spectral properties to be tuned from correlation to anticorrelation, including uncorrelation. The method employs tilted pulses and can be implemented in materials and frequency bands for which conventional methods do not hold.