The role of molecular and resonance phases in the coherent control of chemical reactions

Jeanette A. Fiss*, Ani Khachatrian, Langchi Zhu, Robert J. Gordon, Tamar Seideman

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Coherent control of the photoionization and photodissociation of HI and the photoionization of H2S were obtained in the region of the 5d(π, δ) resonance of HI. Interference between one- and three-photon excitation paths caused modulation of the HI+ , I+ , and H2S+ signals. Phase lags between the different modulated signals, measured as a function of excitation energy, revealed the roles played by molecular and resonance phases. A theory of the phase lag arising from a set of overlapping rotational resonances was developed and used to interpret the observations.

Original languageEnglish (US)
Pages (from-to)61-76
Number of pages16
JournalFaraday Discussions
Volume113
DOIs
StatePublished - 1999

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

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