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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 15 — Aug. 1, 2012
  • pp: 3270–3272

Linear up-conversion of orbital angular momentum

D.-S. Ding, Z.-Y. Zhou, B.-S. Shi, X.-B. Zou, and G.-C. Guo  »View Author Affiliations


Optics Letters, Vol. 37, Issue 15, pp. 3270-3272 (2012)
http://dx.doi.org/10.1364/OL.37.003270


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Abstract

We experimentally demonstrated that infrared light imprinted with orbital angular momentum (OAM) was linearly converted into visible light using four-wave mixing (FWM) via a ladder-type configuration in Rb85 atoms. Simultaneously, we theoretically simulated this linear conversion process, and the theoretical analysis was in reasonable agreement with the experimental results. A large single-photon detuning process was used to reduce the absorption of the atoms to the up-converted light and to avoid pattern formation in the FWM process. The multi-mode image linear conversion process is important for applications including image communications, astrophysics, and quantum information.

© 2012 Optical Society of America

OCIS Codes
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(190.4223) Nonlinear optics : Nonlinear wave mixing

ToC Category:
Image Processing

History
Original Manuscript: March 28, 2012
Manuscript Accepted: July 2, 2012
Published: July 31, 2012

Citation
D.-S. Ding, Z.-Y. Zhou, B.-S. Shi, X.-B. Zou, and G.-C. Guo, "Linear up-conversion of orbital angular momentum," Opt. Lett. 37, 3270-3272 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-15-3270

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