Upconversion-pumped femtosecond thulium laser at 2309   nm mode-locked by a GaSb-based SESAM

We report on a femtosecond thulium laser operating on the ^3H_4 → ^3H_5 transition with upconversion pumping around ...

Source: Optics Express - April 9, 2024 Category: Physics Authors: Aleksey Tyazhev Ji Eun Bae Marco Gaulke Pavel Loiko Jonas Heidrich Matthias Golling Said Idlahcen Lauren Guillemot Thomas Godin Patrice Camy Ursula Keller Ammar Hideur Source Type: research