17 May 2018 A unified materials approach to mitigating optical nonlinearities in fiber lasers
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Abstract
This paper provides a road-map for the development of simple core/clad optical fibers whose enhanced performance - in particular, marked reductions in optical nonlinearities - is achieved materially and not through the more conventional present routes of geometrically complex fiber design. More specifically, the material properties that give rise to Brillouin, Raman, and Rayleigh scattering, transverse mode instabilities (TMI), and n2-mediated nonlinear effects are compiled and results on a wide range of optical fibers are discussed with a focus on trends in performance with glass composition. Further, optical power scaling estimations as well as binary and ternary property diagrams associated with Rayleigh scattering, the Brillouin gain coefficient (BGC) and the thermo-optic coefficient (dn/dT) are developed and employed to graphically represent general trends with composition along with compositional targets for a single intrinsically low nonlinearity, silica-based optical fiber that can achieve the powerscaling goals of future high energy fiber laser applications.
Conference Presentation
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John Ballato, John Ballato, Maxime Cavillon, Maxime Cavillon, Peter Dragic, Peter Dragic, Courtney Kucera, Courtney Kucera, Thomas Hawkins, Thomas Hawkins, } "A unified materials approach to mitigating optical nonlinearities in fiber lasers", Proc. SPIE 10683, Fiber Lasers and Glass Photonics: Materials through Applications, 1068302 (17 May 2018); doi: 10.1117/12.2307163; https://doi.org/10.1117/12.2307163
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