Transfer functions of thulium-doped fiber amplifiers

Benedikt Schuhbauer; Frithjof Haxsen; Uwe Morgner; Jörg Neumann; Dietmar Kracht

doi:10.1117/12.3000183

13 May 2024 Transfer functions of thulium-doped fiber amplifiers

Benedikt Schuhbauer, Frithjof Haxsen, Uwe Morgner, Jörg Neumann, Dietmar Kracht

Proceedings Volume PC12865, Fiber Lasers XXI: Technology and Systems; PC128650H (2024) https://doi.org/10.1117/12.3000183
Event: SPIE LASE, 2024, San Francisco, California, United States

Abstract

Gain dynamics play a crucial role in the design of laser oscillators and amplifiers. In order to expand the understanding of gain dynamics into the spectral 2 μm region, this study presents the experimental characterization of transfer functions in thulium-doped fiber amplifiers associated with the 3F4 → 3H6 transition that governs emission in this spectral range. The transfer functions for both the signal and pump are thoroughly investigated, providing detailed information on their magnitude and phase. We find a damped high-pass and a low-pass filtering behaviour for the respective signal and pump transfer function of thulium-ions in silica glass.

Conference Presentation

Citation Download Citation

Benedikt Schuhbauer, Frithjof Haxsen, Uwe Morgner, Jörg Neumann, and Dietmar Kracht "Transfer functions of thulium-doped fiber amplifiers", Proc. SPIE PC12865, Fiber Lasers XXI: Technology and Systems, PC128650H (13 May 2024); https://doi.org/10.1117/12.3000183

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