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Passively mode-locked diode-pumped Tm$^{3+}$ :YLF laser emitting at 1.91 $\mu$m using a GaAs-based SESAM

Abstract : We report on a diode-pumped Tm:YLF laser passively mode-locked with an InGaAs saturable absorber. The laser emits a train of 31 ps pulses at a wavelength of 1.91 $\mu$m with a repetition rate of 94 MHz and a maximum average power of 95 mW. A sustained and robust mode-locking with a signal-to-noise ratio of ~70 dB is obtained even at high relative air humidity, making this system attractive for applications requiring ultra-short pulses in the spectral window just below 2 $\mu$m.
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https://hal-normandie-univ.archives-ouvertes.fr/hal-01746042
Contributor : Ammar Hideur <>
Submitted on : Wednesday, March 28, 2018 - 9:08:25 PM
Last modification on : Tuesday, October 22, 2019 - 1:33:49 PM

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Aleksey Tyazhev, R. Soulard, T. Godin, Marlène Paris, G Brasse, et al.. Passively mode-locked diode-pumped Tm$^{3+}$ :YLF laser emitting at 1.91 $\mu$m using a GaAs-based SESAM. Laser Physics Letters, IOP Publishing, 2018, 15, pp.045807. ⟨10.1088/1612-202X/aaa9aa⟩. ⟨hal-01746042⟩

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