Group-velocity self-matching of femtosecond pulses in noncollinear parametric generation
- 1 April 1995
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 51 (4) , 3164-3168
- https://doi.org/10.1103/physreva.51.3164
Abstract
We show that the parametric superfluorescence generated by a 200-fs pulse at 0.6 μm in a β-barium borate crystal occurs in directions, and at wavelengths, that minimize the group-velocity mismatch between pump and generated pulses. Favorable conditions for generation of tunable femtosecond pulses are found in noncollinear phase matching, a geometry of interaction which is worth exploiting in parametric devices.Keywords
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