Expressions of “fast” and “slow” chameleon dressed states in Autler–Townes spectra of alkali-metal atoms

Arturs Cinins, M. Bruvelis, Milan S. Dimitrijević, Vladimir A. Srećković, Dmitriy K. Efimov, Kaspars Miculis, Nikolai N. Bezuglov, Aigars Ekers

Research output: Contribution to journalArticlepeer-review

Abstract

We have investigated the formation of laser-dressed states in HF components of sodium atoms and their manifestations in Autler–Townes spectra. An explicit procedure is proposed for constructing a specific Morris–Shore wave function basis, within which two-photon excitation schemes are reduced to sets of mutually orthogonal 3- and 2-level excitation sequences, and single uncoupled states. It has been demonstrated that the Morris–Shore basis states correspond to bright and dark states, along with chameleon states introduced in our recent work. Numerical simulations of the Autler–Townes spectra reveal that chameleon states can be further categorized as “fast” or “slow.” Our extended classification of dressed states enables more accurate reconstruction of excited state properties in optical methods for atomic media diagnostics.
Original languageEnglish (US)
JournalAstronomische Nachrichten
DOIs
StatePublished - Nov 16 2021

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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