Effects of high pulse intensity and chirp in two-dimensional electronic spectroscopy of an atomic vapor

被引：16

作者：

Binz, Marcel ^{[1
]}

Bruder, Lukas ^{[1
]}

Chen, Lipeng ^{[2
]}

Gelin, Maxim F. ^{[3
]}

Domcke, Wolfgang ^{[4
]}

Stienkemeier, Frank ^{[1
]}

机构：

[1] Univ Freiburg, Inst Phys, Hermann Herder Str 3, D-79104 Freiburg, Germany

[2] Ecole Polytech Fed Lausanne EPFL, Lab Theoret Phys Chem, Inst Sci & Ingn Chim, CH-1015 Lausanne, Switzerland

[3] Hangzhou Dianzi Univ, Sch Sci, Bldg 6, Hangzhou 310018, Peoples R China

[4] Tech Univ Munich, Dept Chem, Lichtenbergstr 4, D-85747 Garching, Germany

来源：

OPTICS EXPRESS | 2020年 / 28卷 / 18期

基金：

欧洲研究理事会;

关键词：

RABI OSCILLATIONS; COHERENT CONTROL; EXCITATION; DYNAMICS; SPECTRA; STATES;

D O I：

10.1364/OE.396108

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The effects of high pulse intensity and chirp on two-dimensional electronic spectroscopy signals are experimentally investigated in the highly non-perturbative regime using atomic rubidium vapor as clean model system. Data analysis is performed based on higher-order Feynman diagrams and non-perturbative numerical simulations of the system response. It is shown that higher-order contributions may lead to a fundamental change of the static appearance and beating-maps of the 2D spectra and that chirped pulses enhance or suppress distinct higher-order pathways. We further give an estimate of the threshold intensity beyond which the high-intensity effects become visible for the system under consideration. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：25806 / 25829

页数：24

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