Matching of group velocities by spatial walk-off in collinear three-wave interaction with tilted pulses
R. DanieliusLaser Research Center, Vilnius University, 2054 Vilnius, #N#LithuaniaP. Di TrapaniIstituto Nazionale di Fisica della Materia and Istituto di Scienze Matematiche, Fisiche e Chimiche, University of Milano, 22100 Como, ItalyC. SolciaDipartimento di Elettronica, University of Pavia, 27100 Pavia, ItalyPaolo FoggiEuropean Laboratory for Nonlinear Spectroscopy, University of Florence, 50125 Firenze, ItalyAlessandra AndreoniIstituto Nazionale di Fisica della Materia and Istituto di Scienze Matematiche, Fisiche e Chimiche, University of Milano, 22100 Como, ItalyA. PiskarskasLaser Research Center, Vilnius University, 2054 Vilnius, #N#Lithuania
1996en
ABI
Аннотация
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-Zmicrom pump pulses in beta-barium borate, we obtained efficient parametric generation of collinear superfluorescence tunable in the range from 0.456 to 3.25 microm.
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