Abstract
Waveguide Lasers In article number 2100501, Fabian Rotermund and colleagues present the dynamically Q-switched operation of a graphene-integrated beam-splitter-type channel waveguide laser. Controlled single- and dual-channel Q-switching can be achieved based on selective excitation of the desired channel by widely tunable power splitting ratio. In particular, dual-channel Q-switching with a single pumping source generates a hybrid pulse train with two separately Q-switched modes simultaneously.
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