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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 3 — Feb. 1, 2010
  • pp: 375–377

One- and two-photon quantum interferences in parametric four-wave mixing

J. Ferraz, L. H. Acioli, and S. S. Vianna  »View Author Affiliations


Optics Letters, Vol. 35, Issue 3, pp. 375-377 (2010)
http://dx.doi.org/10.1364/OL.35.000375


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Abstract

We report the observation of the interferometric response in parametric four-wave mixing in rubidium atoms excited by a pair of ultrashort pulses. For pulses with orthogonal polarizations and in the presence of the two-photon transition 5S–5D reveals a one-photon quantum interference, in contrast to the optical interference observed when the pulses have parallel polarization. For opposite circular polarizations no interference is observed in the fluorescence of the two-photon transition, in contrast to the one- and two-photon interferences exhibited in the nonlinear process.

© 2010 Optical Society of America

OCIS Codes
(020.1670) Atomic and molecular physics : Coherent optical effects
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(320.5550) Ultrafast optics : Pulses

ToC Category:
Nonlinear Optics

History
Original Manuscript: November 2, 2009
Revised Manuscript: December 18, 2009
Manuscript Accepted: December 21, 2009
Published: January 28, 2010

Citation
J. Ferraz, L. H. Acioli, and S. S. Vianna, "One- and two-photon quantum interferences in parametric four-wave mixing," Opt. Lett. 35, 375-377 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-3-375

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