Control of attosecond light polarization in two-color bicircular fields

被引：43

作者：

Jimenez-Galan, A. ^{[1
]}

Zhavoronkov, N. ^{[1
]}

Ayuso, D. ^{[1
]}

Morales, F. ^{[1
]}

Patchkovskii, S. ^{[1
]}

Schloz, M. ^{[1
]}

Pisanty, E. ^{[1
,2
]}

Smirnova, O. ^{[1
,3
]}

Ivanov, M. ^{[1
,4
,5
]}

机构：

[1] Max Born Inst Nonlinear Opt & Short Pulse Spectro, Max Born Str 2A, D-12489 Berlin, Germany

[2] Barcelona Inst Sci & Technol, ICFO Inst Ciencies Foton, Castelldefels 08860, Barcelona, Spain

[3] Tech Univ Berlin, Ernst Ruska Gebaude,Hardenbergstr 36A, D-10623 Berlin, Germany

[4] Imperial Coll London, Dept Phys, South Kensington Campus, London SW72AZ, England

[5] Humboldt Univ, Inst Phys, Newtonstr 15, D-12489 Berlin, Germany

来源：

PHYSICAL REVIEW A | 2018年 / 97卷 / 02期

关键词：

HIGH-HARMONIC-GENERATION; ULTRAFAST MAGNETISM; CIRCULAR-DICHROISM; ANGULAR-MOMENTUM; INTENSE-LASER; DYNAMICS; SPECTROSCOPY; MOLECULES; ORDER; SPIN;

D O I：

10.1103/PhysRevA.97.023409

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We develop theoretically and confirm both numerically and experimentally a comprehensive analytical model which describes the propensity rules in the emission of circularly polarized high harmonics by systems driven by two-color counter-rotating fields, a fundamental and its second harmonic. We identify and confirm the three propensity rules responsible for the contrast between the 3N + 1 and 3N + 2 harmonic lines in the HHG spectra of noble gas atoms. We demonstrate how these rules depend on the laser parameters and how they can be used in the experiment to shape the polarization properties of the emitted attosecond pulses.

引用

页数：14

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