Resonant generation of few-cycle pulses in hydrogenlike atoms

被引：7

作者：

Radeonychev, Y. V. ^{[1
,2
]}

Polovinkin, V. A. ^{[1
,2
]}

Kocharovskaya, O. A. ^{[1
,2
]}

机构：

[1] Russian Acad Sci, Inst Appl Phys, Nizhnii Novgorod 603950, Russia

[2] Texas A&M Univ, Dept Phys, College Stn, TX 77843 USA

来源：

LASER PHYSICS | 2012年 / 22卷 / 10期

基金：

美国国家科学基金会;

关键词：

ATTOSECOND PULSES; LASER; PROPAGATION; HARMONICS; DYNAMICS;

D O I：

10.1134/S1054660X12100192

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We show the possibility to produce nearly bandwidth-limited few-cycle pulses based on time-dependent resonant interaction of an incident radiation with the bound states of hydrogenlike atoms. A time-dependence of an atomic resonance is provided by far-off-resonant laser field with intensity much below the atomic ionization threshold via time-dependent tunnel ionization from the excited states and temporal adiabatic Stark splitting of the excited energy levels. Without external synchronization of the spectral components it is possible to produce a train of two-cycle pulses at 121.6 nm with duration 800 as in atomic hydrogen.

引用

下载

页码：1547 / 1552

页数：6

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