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Optics Letters

Optics Letters


  • Vol. 29, Iss. 4 — Feb. 15, 2004
  • pp: 376–378

Quasi-phase-matching engineering for spatial control of entangled two-photon states

Juan P. Torres, Adrian Alexandrescu, Silvia Carrasco, and Lluis Torner  »View Author Affiliations

Optics Letters, Vol. 29, Issue 4, pp. 376-378 (2004)

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We show that transverse engineering of quasi-phase-matched geometries can be used to tailor the spatial mode function that describes the quantum state of photon pairs generated in spontaneous parametric downconversion. We study several geometries and reveal how properly engineered gratings affect, in particular, the spatial correlations embedded in two-photon entangled states.

© 2004 Optical Society of America

OCIS Codes
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(270.5290) Quantum optics : Photon statistics

Juan P. Torres, Adrian Alexandrescu, Silvia Carrasco, and Lluis Torner, "Quasi-phase-matching engineering for spatial control of entangled two-photon states," Opt. Lett. 29, 376-378 (2004)

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