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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 25 — Dec. 10, 2007
  • pp: 16767–16772

Energy-transfer efficiency in the Er/Yb-codoped waveguide ring laser under sinusoidally modulated pump

J. A. Vallés, M. Á. Rebolledo, J. Cortés, and J. Used  »View Author Affiliations


Optics Express, Vol. 15, Issue 25, pp. 16767-16772 (2007)
http://dx.doi.org/10.1364/OE.15.016767


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Abstract

The response of an Er/Yb-codoped waveguide ring laser to a sinusoidally modulated pump power is studied. Experimentally, resonance peaks are observed and their dependences on the average pump power and the modulation index are analyzed. For high modulation indexes bistable behaviour is found. Numerically, a good agreement is obtained for the resonance peak frequencies by using a straightforward approximate model and assuming a dependence on the average pump power of the macroscopic Yb⇒Er energy-transfer coefficient. This dependence can be related to these mechanisms’ performance for high doping and pump levels when examined in a microscopic statistical formalism.

© 2007 Optical Society of America

OCIS Codes
(130.3130) Integrated optics : Integrated optics materials
(140.3560) Lasers and laser optics : Lasers, ring
(140.4480) Lasers and laser optics : Optical amplifiers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: July 23, 2007
Revised Manuscript: November 12, 2007
Manuscript Accepted: November 12, 2007
Published: December 3, 2007

Citation
J. A. Vallés, M. Á. Rebolledo, J. Cortés, and J. Used, "Energy-transfer efficiency in the Er/Yb-codoped waveguide ring laser under sinusoidally modulated pump," Opt. Express 15, 16767-16772 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-25-16767


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References

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