Fifty percent internal slope efficiency femtosecond direct-written Tm 3+:ZBLAN waveguide laser

D. G. Lancaster, S. Gross, H. Ebendorff-Heidepriem, K. Kuan, T. M. Monro, M. Ams, A. Fuerbach, M. J. Withford

Research output: Contribution to journalArticle

131 Citations (Scopus)
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Abstract

We report a 790nm pumped, Tm3+ doped ZBLAN glass buried waveguide laser that produces 47mWat 1880nm, with a 50% internal slope efficiency and an M2 of 1.7. The waveguide cladding is defined by two overlapping rings created by femtosecond direct-writing of the glass, which results in the formation of a tubular depressedindex- cladding structure, and the laser resonator is defined by external dielectric mirrors. This is, to the best of our knowledge, the most efficient laser created in a glass host via femtosecond waveguide writing.

Original languageEnglish
Pages (from-to)1587-1589
Number of pages3
JournalOptics Letters
Volume36
Issue number9
DOIs
Publication statusPublished - 1 May 2011

Bibliographical note

This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: [http://www.opticsinfobase.org/abstract.cfm?URI=ol-36-9-1587]. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

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