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12 March 2024 Novel single-clad Ho-doped fiber amplifier with high slope efficiency and low ion pairing
Robert E. Tench, Wiktor Walasik, Alexandre Amavigan, Jean-Marc Delavaux, Colin C. Baker, E. Joseph Friebele, Daniel Rhonehouse, Jasbinder Sanghera
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Proceedings Volume 12865, Fiber Lasers XXI: Technology and Systems; 128650U (2024) https://doi.org/10.1117/12.3000378
Event: SPIE LASE, 2024, San Francisco, California, United States
Abstract
We present the design and experimental and simulated results for a 2050 nm band fiber amplifier with high optical-optical slope efficiency and low ion pairing, using a novel high performance single clad Ho-doped fiber from the Naval Research Laboratory (NRL). We report a measured optical-optical slope efficiency of 57% using 1 mW input signal power and 1860 nm pumping which we believe is the highest slope efficiency measured to date for a single clad copumped HDFA. This efficiency is linked to a low ion pairing coefficient of 4% in the doped fiber derived from our data.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Robert E. Tench, Wiktor Walasik, Alexandre Amavigan, Jean-Marc Delavaux, Colin C. Baker, E. Joseph Friebele, Daniel Rhonehouse, and Jasbinder Sanghera "Novel single-clad Ho-doped fiber amplifier with high slope efficiency and low ion pairing", Proc. SPIE 12865, Fiber Lasers XXI: Technology and Systems, 128650U (12 March 2024); https://doi.org/10.1117/12.3000378
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KEYWORDS
Ions
Fiber amplifiers
Analytical research
Absorption
Design
Optical testing
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