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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 3 — Feb. 1, 2007
  • pp: 208–210

Intracavity gain gratings

Aurélie Moreau, Qiong He, Isabelle Zaquine, Alain Maruani, and Robert Frey  »View Author Affiliations


Optics Letters, Vol. 32, Issue 3, pp. 208-210 (2007)
http://dx.doi.org/10.1364/OL.32.000208


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Abstract

Intracavity gain gratings are theoretically demonstrated to exhibit diffraction efficiencies that are 100 times larger than unity at pump powers substantially below the lasing threshold. Experiments performed using a Nd : Y V O 4 microlaser pumped below threshold by two interfering Ti:sapphire laser beams are described. Huge enhancement of the diffraction efficiency ( 5000 × ) and a large increase of the angular selectivity ( 10 × ) are demonstrated despite the angular reduction of the Fabry–Perot cavity finesse. Much better results are expected using gain gratings with larger areas or thinner cavities such as vertical cavity surface-emitting lasers. Such large fan-out values could be very interesting for applications to optical signal processing.

© 2007 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(050.2230) Diffraction and gratings : Fabry-Perot
(140.4480) Lasers and laser optics : Optical amplifiers

ToC Category:
Diffraction and Gratings

History
Original Manuscript: July 19, 2006
Revised Manuscript: October 26, 2006
Manuscript Accepted: October 30, 2006
Published: January 12, 2007

Citation
Aurélie Moreau, Qiong He, Isabelle Zaquine, Alain Maruani, and Robert Frey, "Intracavity gain gratings," Opt. Lett. 32, 208-210 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-3-208


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References

  1. R. J. Collier, C. B. Burckhardt, and L. H. Lin, Optical Holography (Academic, 1971).
  2. Y. Ding, D. D. Nolte, M. R. Melloch, and A. M. Weiner, IEEE J. Sel. Top. Quantum Electron. 4, 332 (1988).
  3. L. Menez, I. Zaquine, A. Maruani, and R. Frey, J. Opt. Soc. Am. B 16, 1849 (1999). [CrossRef]
  4. L. Menez, I. Zaquine, A. Maruani, and R. Frey, Opt. Lett. 27, 479 (2002). [CrossRef]
  5. L. Menez, I. Zaquine, A. Maruani, and R. Frey, J. Opt. Soc. Am. B 19, 965 (2002). [CrossRef]
  6. L. Menez, I. Zaquine, A. Maruani, and R. Frey, Opt. Commun. 204, 267 (2002). [CrossRef]

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