Femtochemistry in the electronic ground state: Dynamic Stark control of vibrational dynamics

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We study the interplay of vibrational and rotational excitation in a diatomic molecule due to the non-resonant dynamic Stark effect. With a fixed peak intensity, optimal Gaussian pulse durations for maximizing vibrational or rotational transitions are obtained analytically and confirmed numerically for the H2 and Cl2 molecules. In general, pulse trains or more advanced pulse shaping techniques are required in order to obtain significant vibrational excitation. To that end, we demonstrate that a high degree of selectivity between vibrational and rotational excitation is possible with a suitably phase-modulated Gaussian pulse.
Original languageEnglish
JournalChemical Physics Letters
Volume683
Pages (from-to)234–239
ISSN0009-2614
DOIs
Publication statusPublished - 2017
CitationsWeb of Science® Times Cited: No match on DOI

    Research areas

  • Vibrational excitation, Dynamic Stark effect, Pulse shaping

ID: 133839787