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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)

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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

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

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)

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  1. N C. Becker, T. Oesselke, J. Pandavenes, R. Ricken, K. Rockhausen, G, Schreiber, W. Sohler, H. Suche, R. Wessel, S. Balsamo, I. Montrosset and D. Sciancalepore, "Advanced Ti:LiNbO3 waveguide lasers," IEEE J. Select. Top. Quantum Electron. 6, 101-110 (2000). [CrossRef]
  2. J. F. Philipps, T. Töpfer, H. Ebendorff-Heidepriem, D. Ehrt and R. Sauerbrey, "Energy transfer and upconversion in erbium-ytterbium-doped fluoride phosphate glasses," Appl. Phys. B 74, 233-236 (2002). [CrossRef]
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  4. J. A. Lázaro, J. A. Vallés and M. A. Rebolledo, "Determination of emission and absorption cross-sections of Er3+ in LiNbO3 waveguides from transversal fluorescence spectra," Pure App. Opt. 7, 1363-71 (1998). [CrossRef]
  5. J. A. Vallés, J.A. Lázaro and M.A. Rebolledo, "Analysis of Competing Mechanisms in Transitions Between Excited States in Er-Doped Integrated Waveguides," IEEE J. Quantum Electron. 38, 318-323 (2002) [CrossRef]
  6. J. A. Vallés, M. A. Rebolledo and J. Cortés, "Full characterization of packaged Er-Yb-codoped phosphate glass waveguides," IEEE J. Quantum Electron. 42, 152-159 (2006). [CrossRef]
  7. J. A. Vallés, M. Á. Rebolledo and J. Used, "New characterization dynamic methods for Er/Yb codoped phosphate glass waveguides," Proc. SPIE,  6183, 61830F (2006). [CrossRef]
  8. I. J. Sola, J. C. Martín and J. M. Álvarez, "Non linear response of a unidirectional erbium-doped fiber ring laser to a sinusoidally modulated pump power," Opt. Commun. 212, 359-369 (2002). [CrossRef]
  9. J. A. Lázaro, M. A. Rebolledo and J. A. Vallés, "Modeling, Characterization and Experimental/Numerical comparison of signal and fluorescence amplification in Ti:Er:LiNbO3 waveguides," IEEE J. Quantum Electron. 37, 1460-1468 (2001). [CrossRef]

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