Abstract
We report on a novel approach for efficient and broadband mid-infrared generation at the picojoule level of pump pulse energies. Driving OPA in thin-film-lithium-niobate waveguides with sub-10-pJ on-chip pump pulse energies, we demonstrate 1.5-pJ idler pulses with 150 µW average power within a 140-nm broad spectrum centered at 3200 nm.
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