Redistribution of vibrational population in a molecular ion with nonresonant strong-field laser pulses

W.A. Bryan, C.R. Calvert, R.B. King, G.R.A.J. Nemeth, J.D. Alexander, J. B. Greenwood, C.A. Froud, I.C.E. Turcu, E. Springate, W.R. Newell, I.D. Williams

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Abstract

We present an experimental demonstration of nonresonant manipulation of vibrational states in a molecule by an intense ultrashort laser pulse. A vibrational wave packet is generated in D-2(+) through tunnel ionization of D-2 by a few-cycle pump pulse. A similar control pulse is applied as the wave packet begins to dephase so that the dynamic Stark effect distorts the electronic environment of the nuclei, transferring vibrational population. The time evolution of the modified wave packet is probed via the D-2(+) photodissociation yield that results from the application of an intense probe pulse. Comparing the measured yield with a quasiclassical trajectory model allows us to determine the redistribution of vibrational population caused by the control pulse. ©
Original languageEnglish
Article number021406
Number of pages4
JournalPhysical Review A (Atomic, Molecular, and Optical Physics)
Volume83
Issue number2
Early online date28 Feb 2011
DOIs
Publication statusPublished - Feb 2011

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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    Bryan, W. A., Calvert, C. R., King, R. B., Nemeth, G. R. A. J., Alexander, J. D., Greenwood, J. B., Froud, C. A., Turcu, I. C. E., Springate, E., Newell, W. R., & Williams, I. D. (2011). Redistribution of vibrational population in a molecular ion with nonresonant strong-field laser pulses. Physical Review A (Atomic, Molecular, and Optical Physics), 83(2), [021406]. https://doi.org/10.1103/PhysRevA.83.021406