Three-wave mixing mediated femtosecond pulse compression in BBO
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Nonlinear pulse compression mediated by three-wave mixing is demonstrated for ultrashort Ti:sapphire pulses in a type II phase-matched 𝛽�β-barium borate (BBO) crystal using noncollinear geometry. 170 μJ pulses at 800 nm with a pulse duration of 74 fs are compressed at their sum frequency to 32 fs with 55 μJ of pulse energy. Experiments and computer simulations demonstrate the potential of sum-frequency pulse compression to match the group velocities of the interacting waves to crystals that were initially not considered in the context of nonlinear pulse compression.
Version ofNonlinear pulse compression
CitationGrün, A. [et al.]. Three-wave mixing mediated femtosecond pulse compression in BBO. "Optics Letters", 15 Octubre 2015, vol. 40, núm. 20, p. 4679-4682.