Wave-packet recollision and pulse-shape effects in high-harmonic generation

被引：31
|
作者：
Watson, JB [1 ]
Sanpera, A [1 ]
Burnett, K [1 ]
Knight, PL [1 ]
机构：
[1] UNIV LONDON IMPERIAL COLL SCI TECHNOL & MED, BLACKETT LAB, OPT SECT, LONDON SW7 2BZ, ENGLAND
来源：
PHYSICAL REVIEW A | 1997年 / 55卷 / 02期
关键词：
D O I：
10.1103/PhysRevA.55.1224
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
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 thr harmonic spectrum. We find that such a model shares many of the qualitative features of the semiclassical theories of harmonic generation.
引用
收藏
页码：1224 / 1233
页数：10
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