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Multiphoton interaction phase shifts in attosecond science

Bertolino, Mattias LU orcid and Dahlström, Jan Marcus LU (2021) In Physical Review Research 3(1).
Abstract

Ab initio simulations of a range of interferometric experiments are used to identify a strong dependence on multiphoton phase shifts in above-threshold ionization (ATI). A simple rule of thumb for interaction phase shifts is derived to explain both the conservation of photoelectron yield and its absolute CEP dependence. For instance, it is found that interferometric (ATI) experiments are shifted by π/4 relative to RABBIT experiments, and that there is no RABBIT term in a laser-assisted photoionization experiment with odd and even harmonics. Thus, our work helps to resolve the issues of interpretation of quantum dynamics in attosecond and free-electron laser sciences.

Please use this url to cite or link to this publication:
author
and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review Research
volume
3
issue
1
article number
013270
publisher
American Physical Society
external identifiers
  • scopus:85112089199
ISSN
2643-1564
DOI
10.1103/PhysRevResearch.3.013270
language
English
LU publication?
yes
id
5a17b79f-9c0e-4e7b-87fa-333110677f46
date added to LUP
2022-03-03 13:07:01
date last changed
2022-04-18 23:36:25
@article{5a17b79f-9c0e-4e7b-87fa-333110677f46,
  abstract     = {{<p>Ab initio simulations of a range of interferometric experiments are used to identify a strong dependence on multiphoton phase shifts in above-threshold ionization (ATI). A simple rule of thumb for interaction phase shifts is derived to explain both the conservation of photoelectron yield and its absolute CEP dependence. For instance, it is found that interferometric (ATI) experiments are shifted by π/4 relative to RABBIT experiments, and that there is no RABBIT term in a laser-assisted photoionization experiment with odd and even harmonics. Thus, our work helps to resolve the issues of interpretation of quantum dynamics in attosecond and free-electron laser sciences.</p>}},
  author       = {{Bertolino, Mattias and Dahlström, Jan Marcus}},
  issn         = {{2643-1564}},
  language     = {{eng}},
  month        = {{03}},
  number       = {{1}},
  publisher    = {{American Physical Society}},
  series       = {{Physical Review Research}},
  title        = {{Multiphoton interaction phase shifts in attosecond science}},
  url          = {{http://dx.doi.org/10.1103/PhysRevResearch.3.013270}},
  doi          = {{10.1103/PhysRevResearch.3.013270}},
  volume       = {{3}},
  year         = {{2021}},
}