Abstract

We report on inkjet-printing of graphene saturable absorbers (SAs) suitable for passive Q-switching of ~2-µm bulk and waveguide lasers. Using graphene-SA in a microchip Tm:KLu(WO4)2 laser, 1.2 µJ/136 ns pulses are generated at 1917 nm.

© 2017 Optical Society of America

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