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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 16 — Aug. 2, 2010
  • pp: 17020–17026

Enhanced frequency up-conversion in Rb vapor

A. Vernier, S. Franke-Arnold, E. Riis, and A. S. Arnold  »View Author Affiliations


Optics Express, Vol. 18, Issue 16, pp. 17020-17026 (2010)
http://dx.doi.org/10.1364/OE.18.017020


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Abstract

We demonstrate highly efficient generation of coherent 420nm light via up-conversion of near-infrared lasers in a hot rubidium vapor cell. By optimizing pump polarizations and frequencies we achieve a single-pass conversion efficiency of 260% per Watt, significantly higher than in previous experiments. A full exploration of the coherent light generation and fluorescence as a function of both pump frequencies reveals that coherent blue light is generated close to 85Rb two-photon resonances, as predicted by theory, but at high vapor pressure is suppressed in spectral regions that do not support phase matching or exhibit single-photon Kerr refraction. Favorable scaling of our current 1mW blue beam power with additional pump power is predicted.

© 2010 Optical Society of America

OCIS Codes
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(270.1670) Quantum optics : Coherent optical effects

ToC Category:
Nonlinear Optics

History
Original Manuscript: May 10, 2010
Revised Manuscript: June 11, 2010
Manuscript Accepted: July 19, 2010
Published: July 27, 2010

Citation
A. Vernier, S. Franke-Arnold, E. Riis, and A. S. Arnold, "Enhanced frequency up-conversion in Rb vapor," Opt. Express 18, 17020-17026 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-16-17020


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