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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 15 — Aug. 1, 2010
  • pp: 2567–2569

Unidirectional ring-laser operation using sum-frequency mixing

Peter Tidemand-Lichtenberg, Haynes Pak Hay Cheng, and Christian Pedersen  »View Author Affiliations


Optics Letters, Vol. 35, Issue 15, pp. 2567-2569 (2010)
http://dx.doi.org/10.1364/OL.35.002567


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Abstract

A technique enforcing unidirectional operation of ring lasers is proposed and demonstrated. The approach relies on sum-frequency mixing between a single-pass laser and one of the two counterpropagating intracavity fields of the ring laser. Sum-frequency mixing introduces a parametric loss for the intracavity field copropagating with the single-pass field, effectively generating a loss difference between the copropagating and counterpropagating intracavity fields. This loss mechanism ensures stable unidirectional lasing. The approach is generic and can be implemented at any desired lasing wavelength where lossless second-order nonlinear materials are available. Numerical modeling and experimental demonstration of parametric-induced unidirectional operation of a diode-pumped solid-state 1342 nm cw ring laser are presented.

© 2010 Optical Society of America

OCIS Codes
(140.3560) Lasers and laser optics : Lasers, ring
(190.4223) Nonlinear optics : Nonlinear wave mixing

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: May 26, 2010
Revised Manuscript: June 29, 2010
Manuscript Accepted: June 29, 2010
Published: July 22, 2010

Citation
Peter Tidemand-Lichtenberg, Haynes Pak Hay Cheng, and Christian Pedersen, "Unidirectional ring-laser operation using sum-frequency mixing," Opt. Lett. 35, 2567-2569 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-15-2567

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