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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 6 — Mar. 15, 2012
  • pp: 996–998

2.1 μm waveguide laser fabricated by femtosecond laser direct-writing in Ho3+, Tm3+:ZBLAN glass

D. G. Lancaster, S. Gross, H. Ebendorff-Heidepriem, A. Fuerbach, M. J. Withford, and T. M. Monro  »View Author Affiliations

Optics Letters, Vol. 37, Issue 6, pp. 996-998 (2012)

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We report the first Ho3+ doped waveguide laser, which was realized by femtosecond direct-writing of a depressed cladding structure into ZBLAN glass. Tm3+ sensitizing allows the 9 mm long Ho3+ gain medium to be conveniently pumped at 790 nm, achieving an optical-to-optical slope efficiency of 20% and a threshold of 20 mW. The potentially widely tunable laser produces up to 76 mW at 2052 nm and also operates at shorter wavelengths near 1880 nm and 1978 nm for certain cavity configurations.

© 2012 Optical Society of America

OCIS Codes
(140.3580) Lasers and laser optics : Lasers, solid-state
(130.2755) Integrated optics : Glass waveguides

ToC Category:
Lasers and Laser Optics

Original Manuscript: November 18, 2011
Revised Manuscript: January 20, 2012
Manuscript Accepted: January 24, 2012
Published: March 6, 2012

D. G. Lancaster, S. Gross, H. Ebendorff-Heidepriem, A. Fuerbach, M. J. Withford, and T. M. Monro, "2.1 μm waveguide laser fabricated by femtosecond laser direct-writing in Ho3+, Tm3+:ZBLAN glass," Opt. Lett. 37, 996-998 (2012)

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