Nanoparticle doping for improved Er-doped fiber lasers

Colin C. Baker; E. Joseph Friebele; Charles G. Askins; Michael P. Hunt; Barbara A. Marcheschi; Jake Fontana; John R. Peele; Woohong Kim; Jasbinder Sanghera; Jun Zhang; Radha K. Pattnaik; Larry D. Merkle; Mark Dubinskii; Youming Chen; Iyad A. Dajani; Cody Mart

doi:10.1117/12.2217905

16 March 2016 Nanoparticle doping for improved Er-doped fiber lasers

Colin C. Baker, E. Joseph Friebele, Charles G. Askins, Michael P. Hunt, Barbara A. Marcheschi, Jake Fontana, John R. Peele, Woohong Kim, Jasbinder Sanghera, Jun Zhang, Radha K. Pattnaik, Larry D. Merkle, Mark Dubinskii, Youming Chen, Iyad A. Dajani, Cody Mart

Author Affiliations +

Proceedings Volume 9728, Fiber Lasers XIII: Technology, Systems, and Applications; 97280T (2016) https://doi.org/10.1117/12.2217905
Event: SPIE LASE, 2016, San Francisco, California, United States

Abstract

A nanoparticle (NP) doping technique was used for making erbium-doped fibers (EDFs) for high energy lasers. The nanoparticles were doped into the silica soot of preforms, which were drawn into fibers. The Er luminescence lifetimes of the NP-doped cores are longer than those of corresponding solution-doped silica, and substantially less Al is incorporated into the NP-doped cores. Optical-to-optical slope efficiencies of greater than 71% have been measured. Initial investigations of stimulated Brillouin scattering (SBS) have indicated that SBS suppression is achieved by NP doping, where we observed a low intrinsic Brillouin gain coefficient, of ~1× 10^-11m/W and the Brillouin bandwidth was increased by 2.5x compared to fused silica.

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Colin C. Baker, E. Joseph Friebele, Charles G. Askins, Michael P. Hunt, Barbara A. Marcheschi, Jake Fontana, John R. Peele, Woohong Kim, Jasbinder Sanghera, Jun Zhang, Radha K. Pattnaik, Larry D. Merkle, Mark Dubinskii, Youming Chen, Iyad A. Dajani, and Cody Mart "Nanoparticle doping for improved Er-doped fiber lasers", Proc. SPIE 9728, Fiber Lasers XIII: Technology, Systems, and Applications, 97280T (16 March 2016); https://doi.org/10.1117/12.2217905

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