III-V-on-silicon mode-locked lasers with 1-GHz line spacing for dual-comb spectroscopy
2020
We demonstrate dual-comb interferometry and spectroscopy with a III-V-on-silicon passively mode-locked laser of 1-GHz repetition rate and 1-THz span. We heterodyne the on-chip device with an electro-optic modulator comb for initial assessment.
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