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Optical Engineering

High-efficiency lasing at 810 nm in single-mode Tm3+ doped fluorozirconate fiber pumped at 778 nm
Author(s): Efrain Mejia-Beltran; Luis A. Zenteno; Paul Gavrilovic; Anish K. Goyal
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Paper Abstract

We report a Tm3+ doped fluorozirconate fiber laser suitable for the first telecommunications window. We present a mathematical model and experimental measurements. The cw, low threshold pump power of 15 mW, pumped by a Ti:sapphire laser at 778 nm, and a 85 mW maximum output power around 810 nm with a 85% slope efficiency against launched pump power are achieved. This represents a conversion efficiency of ~95%, which is the highest reported to date for any laser. Visible up-conversion fluorescence is also observed. We describe two different oscillator configurations.

Paper Details

Date Published: 1 October 1998
PDF: 4 pages
Opt. Eng. 37(10) doi: 10.1117/1.601805
Published in: Optical Engineering Volume 37, Issue 10
Show Author Affiliations
Efrain Mejia-Beltran, Centro de Investigaciones en Optica A.C. (Mexico)
Luis A. Zenteno, Polaroid Corp. (United States)
Paul Gavrilovic, Polaroid Corp. (United States)
Anish K. Goyal, Univ. of California/Santa Barbara (United States)

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