High-repetition-rate GaAs-on-SiN mode-locked laser using a Fabry-Pérot cavity
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We demonstrate a 23.3 GHz GaAs-on-SiN mode-locked laser heterogeneously integrated on a commercial SiN platform using micro-transfer printing. A compact Fabry-Pérot cavity with a central saturable absorber enables colliding-pulse, second-harmonic mode locking... ...