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Optics Letters

Optics Letters


  • Vol. 29, Iss. 16 — Aug. 13, 2004
  • pp: 1939–1941

Orbital angular momentum of entangled counterpropagating photons

Juan P. Torres, Clara I. Osorio, and Lluis Torner  »View Author Affiliations

Optics Letters, Vol. 29, Issue 16, pp. 1939-1941 (2004)

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We elucidate the paraxial orbital angular momentum of entangled photon pairs generated by spontaneous parametric downconversion in different noncollinear geometries in which the entangled photons counterpropagate. We find, in particular, the orbital angular momentum of entangled pairs generated in transverse-emitting configurations, in which none of the known rules for selecting orbital angular momentum holds.

© 2004 Optical Society of America

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

Juan P. Torres, Clara I. Osorio, and Lluis Torner, "Orbital angular momentum of entangled counterpropagating photons," Opt. Lett. 29, 1939-1941 (2004)

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