Watt-level thulium:holmium-codoped versus holmium-doped polarization-maintaining fiber amplifier at 2050 and 2090 nm

Clément Romano; Dominik Lorenz; Marc Eichhorn; Christelle Kieleck

doi:10.1117/12.2587919

12 April 2021 Watt-level thulium:holmium-codoped versus holmium-doped polarization-maintaining fiber amplifier at 2050 and 2090 nm

Clément Romano, Dominik Lorenz, Marc Eichhorn, Christelle Kieleck

Author Affiliations +

Proceedings Volume 11724, Laser Technology for Defense and Security XVI; 117240I (2021) https://doi.org/10.1117/12.2587919
Event: SPIE Defense + Commercial Sensing, 2021, Online Only

Abstract

We present the performance of a thulium:holmium-codoped fiber amplifier operating at 2050 and 2090 nm signal wavelength. This amplifier is built with polarization-maintaining fibers and is clad-pumped at 793 nm. We demonstrate more than a watt of signal power for both signal wavelengths. We compare the performance of this amplifier with a previously developed holmium-doped fiber amplifier operating at the same signal wavelengths. The amplifiers are compared in view of their optical-to-optical efficiency, optical bandwidth, gain, and noise figure.

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Citation Download Citation

Clément Romano, Dominik Lorenz, Marc Eichhorn, and Christelle Kieleck "Watt-level thulium:holmium-codoped versus holmium-doped polarization-maintaining fiber amplifier at 2050 and 2090 nm", Proc. SPIE 11724, Laser Technology for Defense and Security XVI, 117240I (12 April 2021); https://doi.org/10.1117/12.2587919

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