Comparison of higher-order mode suppression and Q-switched laser performance in thulium-doped large mode area and photonic crystal fibers

We report the influence of higher order modes (HOMs) in large mode fibers operation in Q-switched oscillator configurations at ~2 μm wavelength. S(2) measurements confirm guiding of LP(11) and LP(02) fiber modes in a large mode area (LMA) step-index fiber, whereas a prototype photonic crystal fiber...

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Veröffentlicht in:	Optics express 2012-10, Vol.20 (22), p.24295-24303
Hauptverfasser:	Kadwani, Pankaj, Jollivet, Clemence, Sims, R Andrew, Schülzgen, Axel, Shah, Lawrence, Richardson, Martin
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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