Graphene-based passive Q-switching of a Tm3+: ZBLAN short-infrared waveguide laser
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We report a passively Q-switched 1.9 μm thulium ZBLAN waveguide laser based on an extended cavity containing a flake-graphene saturable absorber film. The 790nm diode-laser-pumped laser produces up to 6 mW with ~1.4 μs pulses at ~25 kHz.
Conference on Lasers and Electro-Optics (CLEO: 2014)
Lasers and Quantum Electronics