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Optical Materials Express

Optical Materials Express

  • Editor: David J. Hagan
  • Vol. 1, Iss. 3 — Jul. 1, 2011
  • pp: 503–513

Performance analysis of the ultra-low quantum defect Er3+:Sc2O3 laser [Invited]

Nikolay Ter-Gabrielyan, Viktor Fromzel, and Mark Dubinskii  »View Author Affiliations

Optical Materials Express, Vol. 1, Issue 3, pp. 503-513 (2011)

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In this paper we report a detailed study of Er3+:Sc2O3 cryogenically cooled ceramic laser and related spectroscopic properties of Er3+:Sc2O3 in the 1500-1600 nm wavelength range. We show that two transitions between 4I13/2 and 4I15/2 manifolds, which are responsible for laser operation in low (at 1581 nm) and ultra-low (at 1558–1560 nm) quantum defect modes, can demonstrate equal laser efficiency. A detailed laser model that predicts the specifics of competition between these wavelengths is developed. The dependence of the laser wavelength on the gain medium temperature and cavity losses was confirmed by extensive laser experiments. An energy migration is observed between the Er3+ ions in two different symmetry sites in the Sc2O3 host. This effect along with the up-conversion process and scattering losses in laser ceramic, are the major factors limiting laser efficiency.

© 2011 OSA

OCIS Codes
(140.3500) Lasers and laser optics : Lasers, erbium
(140.3580) Lasers and laser optics : Lasers, solid-state

ToC Category:
Laser Materials

Original Manuscript: May 16, 2011
Revised Manuscript: June 24, 2011
Manuscript Accepted: June 28, 2011
Published: June 30, 2011

Virtual Issues
Advances in Optical Materials (2011) Optical Materials Express

Nikolay Ter-Gabrielyan, Viktor Fromzel, and Mark Dubinskii, "Performance analysis of the ultra-low quantum defect Er3+:Sc2O3 laser [Invited]," Opt. Mater. Express 1, 503-513 (2011)

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