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Conferences > UFO > 2023 > F1 > F1.5

High-power mode-locked Ho:CALGO lasers at 2.1 µm

Weichao Yao, Yicheng Wang, Shahwar Ahmed, Martin Hoffmann, and Clara J. Saraceno

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Abstract

We report watt-level average power, mode-locked Ho:CALGO bulk lasers with record power at 2.1 µm. With SESAM mode-locking, we demonstrate 8.7-W average power (369 fs) at 2118 nm at an optical-to-optical efficiency of 38.2%. Using soft-aperture KLM, we demonstrate 112-fs pulse duration at an average power of 1.1 W.

© 2023 UFOXIII

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