Matching of group velocities by spatial walk-off in collinear three-wave interaction with tilted pulses

Year: 1996

Authors: Danielius R., Piskarskas A., Di Trapani P., Andreoni A., Solcia C., Foggi P.

Autors Affiliation: Laser Research Center, Vilnius University, 2054 Vilnius, Lithuania; Ist. Naz. Fis. Della Materia Ist. S., Fisiche e Chimiche, University of Milano, 22100 Como, Italy; Dipartimento di Elettronica, University of Pavia, 27100 Pavia, Italy; Europ. Lab. for Nonlinear Spectrosc., University of Florence, 50125 Firenze, Italy

Abstract: We demonstrate that, for tilted pulses, the contribution to group velocity that is due to spatial walk-off can compensate for the group-velocity mismatch in three-wave interactions. With 100-fs, 0.4-µm pump pulses in ß-barium borate, we obtained efficient parametric generation of collinear superfluorescence tunable in the range from 0.456 to 3.25 µm.

Journal/Review: OPTICS LETTERS

Volume: 21 (13)      Pages from: 973  to: 975

KeyWords: 2nd harmonic-generation; Femtosecond pulses; Light-pulses; Phase
DOI: 10.1364/OL.21.000973

Citations: 79
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