Abstract
We demonstrate simultaneously phase-matched cascaded optical parametric amplification (OPA) and sum-frequency generation (SFG) processes in a single-pass interaction in a BBO crystal, where the seed pulse is produced through the self-induced superfluorescence generation. Tunable femtosecond pulses in the blue-green spectral range are produced through the single-pass SFG interaction with a maximum conversion efficiency of about 12%.
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