Direct observation of anharmonic coupling in the time domain with femtosecond stimulated Raman scattering

Philipp Kukura, Renee R Frontiera, Richard A. Mathies

Research output: Contribution to journalArticlepeer-review

48 Scopus citations

Abstract

Off-resonant impulsive Raman excitation is used to initiate nonstationary nuclear motion in low-frequency vibrational modes of deuterio-chloroform. Femtosecond time-resolved stimulated Raman probing of the high-frequency C-D stretch reveals additional vibrational sidebands that arise as a result of anharmonic coupling between the impulsively excited low-frequency and the probed high-frequency vibrations. These experiments illustrate the detailed molecular information on anharmonic and reactive surfaces available from multidimensional femtosecond stimulated Raman techniques.

Original languageEnglish (US)
Article number238303
JournalPhysical Review Letters
Volume96
Issue number23
DOIs
StatePublished - Jun 26 2006
Externally publishedYes

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