4 March 2015 Erbium nanoparticle doped fibers for efficient, resonantly-pumped Er-doped fiber lasers
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Abstract
Nanoparticle (NP) doping is a new technique for making erbium-doped fibers (EDFs); the Er ions are surrounded by a cage of aluminum and oxygen ions, substantially reducing Er3+ ion-ion energy exchange and its deleterious effects on laser performance. Er-Al-doped NPs have been synthesized and doped in-situ into the silica soot of the preform core. We report the first known measurements of NP-doped EDFs in a resonantly-core pumped master oscillator-power amplifier (MOPA) configuration; the optical-to-optical slope efficiency was 80.4%, which we believe is a record for this type of fiber.
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E. Joseph Friebele, E. Joseph Friebele, Colin Baker, Colin Baker, Charles G. Askins, Charles G. Askins, Jake P. Fontana, Jake P. Fontana, Michael P. Hunt, Michael P. Hunt, John R. Peele, John R. Peele, Barbara A. Marcheschi, Barbara A. Marcheschi, Euneku Oh, Euneku Oh, Woohong Kim, Woohong Kim, Jasbinder Sanghera, Jasbinder Sanghera, Jun Zhang, Jun Zhang, Radha K. Pattnaik, Radha K. Pattnaik, Larry D. Merkle, Larry D. Merkle, Mark Dubinskii, Mark Dubinskii, } "Erbium nanoparticle doped fibers for efficient, resonantly-pumped Er-doped fiber lasers", Proc. SPIE 9344, Fiber Lasers XII: Technology, Systems, and Applications, 934412 (4 March 2015); doi: 10.1117/12.2079443; https://doi.org/10.1117/12.2079443
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