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Optics Letters

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  • Vol. 36, Iss. 9 — May. 1, 2011
  • pp: 1566–1568

Lasing action at around 1.9 μm from an ultrafast laser inscribed Tm-doped glass waveguide

F. Fusari, R. R. Thomson, G. Jose, F. M. Bain, A. A. Lagatsky, N. D. Psaila, A. K. Kar, A. Jha, W. Sibbett, and C. T.A. Brown  »View Author Affiliations


Optics Letters, Vol. 36, Issue 9, pp. 1566-1568 (2011)
http://dx.doi.org/10.1364/OL.36.001566


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Abstract

We report optical guiding and laser action at around 1.9 μm in a Tm 3 + -doped fluorogermanate glass waveguide fabricated using ultrafast laser inscription. A monolithic laser cavity was constructed by directly butt coupling dielectric mirrors to each facet of the 6.0 mm long Tm 3 + -doped waveguide. When the waveguide was pumped by a Ti:sapphire laser tuned to 791 nm , laser oscillation was achieved at around 1.91 μm . This waveguide laser exhibited a maximum slope efficiency of 6% and a maximum output power of 32 mW when pumped with 620 mW of incident laser power.

© 2011 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(140.3390) Lasers and laser optics : Laser materials processing
(140.3580) Lasers and laser optics : Lasers, solid-state
(230.7380) Optical devices : Waveguides, channeled

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: March 10, 2011
Revised Manuscript: March 10, 2011
Manuscript Accepted: March 21, 2011
Published: April 22, 2011

Citation
F. Fusari, R. R. Thomson, G. Jose, F. M. Bain, A. A. Lagatsky, N. D. Psaila, A. K. Kar, A. Jha, W. Sibbett, and C. T.A. Brown, "Lasing action at around 1.9 μm from an ultrafast laser inscribed Tm-doped glass waveguide," Opt. Lett. 36, 1566-1568 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-9-1566


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