Internal state cooling with a femtosecond optical frequency comb

S. Malinovskaya, V. Patel, T. Collins

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

A single femtosecond optical frequency comb is implemented to induce two-photon transitions between molecular vibrational levels to form ultracold molecules. The phase across an individual pulse in the pulse train is sinusoidally modulated with a carefully chosen modulation amplitude and frequency. Piecewise population transfer is fulfilled to the final state by each pulse in the applied pulse train providing a controlled population accumulation in the final, ultracold state. The dynamics of rovibrational cooling is discussed on an example of the KRb molecule.

Original languageEnglish
Pages (from-to)3080-3085
Number of pages6
JournalInternational Journal of Quantum Chemistry
Volume110
Issue number15
DOIs
StatePublished - Dec 2010

Keywords

  • Adiabatic population transfer
  • Optical frequency comb
  • Rovibrational combing

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