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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 10 — May. 15, 2013
  • pp: 1718–1720

Highly efficient counter-propagation-beamsnarrow-band ultraviolet frequency conversion in a quantum gas

Chengjie Zhu, L. Deng, and E. W. Hagley  »View Author Affiliations

Optics Letters, Vol. 38, Issue 10, pp. 1718-1720 (2013)

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We show that highly efficient ultraviolet frequency up conversion can be established in a single-component quantum gas in the counter-propagating weak pump beam geometry where no frequency up conversion can occur in a normal gas. We also show that all light-wave mixing and scattering processes in quantum gases originating from elementary excitations characterized by efficient collective atomic recoil motion are stimulated Raman/hyper-Raman in nature.

© 2013 Optical Society of America

OCIS Codes
(190.5650) Nonlinear optics : Raman effect
(190.5890) Nonlinear optics : Scattering, stimulated
(020.1475) Atomic and molecular physics : Bose-Einstein condensates
(190.4223) Nonlinear optics : Nonlinear wave mixing

ToC Category:
Nonlinear Optics

Original Manuscript: March 25, 2013
Revised Manuscript: April 17, 2013
Manuscript Accepted: April 18, 2013
Published: May 14, 2013

Chengjie Zhu, L. Deng, and E. W. Hagley, "Highly efficient counter-propagation-beamsnarrow-band ultraviolet frequency conversion in a quantum gas," Opt. Lett. 38, 1718-1720 (2013)

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  17. This approximation is valid for long pulse excitation so that γτ≫1 (here τ is the pump laser pulse length).

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Fig. 1. Fig. 2.

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