Wave-packet recollision and pulse-shape effects in high-harmonic generation
- 1 February 1997
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 55 (2) , 1224-1233
- https://doi.org/10.1103/physreva.55.1224
Abstract
The recollision model of harmonic generation in a time-varying field has two elements: the emission due to a recolliding wave packet, and the quasiperiodic emission of wave packets in successive cycles. By discussing these issues separately, we explain the origin of blueshifting, and the ``smearing'' of the harmonic spectrum. We find that such a model shares many of the qualitative features of the semiclassical theories of harmonic generation.Keywords
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