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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 37, Iss. 18 — Sep. 15, 2012
  • pp: 3888–3890

Highly efficient dual-wavelength laser operation of cryo-cooled resonantly (in-band) pumped Ho3+:YVO4 laser

G. A. Newburgh, Z. Fleischman, and M. Dubinskii  »View Author Affiliations


Optics Letters, Vol. 37, Issue 18, pp. 3888-3890 (2012)
http://dx.doi.org/10.1364/OL.37.003888


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Abstract

We have demonstrated a CW, multiwatt, dual-wavelength cryogenically cooled, resonantly (in-band) pumped Ho3+:YVO4 laser with nearly quantum-defect-limited performance. The Ho3+(2%):YVO4 gain element, which was maintained at ∼80  K and pumped by a Tm-fiber laser at 1966 nm, emitted at wavelengths of either 2053 or 2068 nm, or both at the same time, depending on the outcoupling loss and the pump power. We have achieved laser operation with a maximum slope efficiency of ∼92%. This is, to the best of our knowledge, the highest slope efficiency ever demonstrated for any Ho3+-doped laser.

© 2012 Optical Society of America

OCIS Codes
(140.3460) Lasers and laser optics : Lasers
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: July 2, 2012
Revised Manuscript: August 9, 2012
Manuscript Accepted: August 13, 2012
Published: September 14, 2012

Citation
G. A. Newburgh, Z. Fleischman, and M. Dubinskii, "Highly efficient dual-wavelength laser operation of cryo-cooled resonantly (in-band) pumped Ho3+:YVO4 laser," Opt. Lett. 37, 3888-3890 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-18-3888


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References

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