Strongly driven quantum pendulum of the OCS molecule

Abstract

We demonstrate and analyze a strongly driven quantum pendulum in the angular motion of stateselected and laser aligned OCS molecules. Raman-couplings during the rising edge of a 50-picosecond laser pulse create a wave packet of pendular states, which propagates in the confining potential formed by the polarizability interaction between the molecule and the laser field. This wave-packet dynamics manifests itself as pronounced oscillations in the degree of alignment with a laser-intensity dependent period.

6 pages, 4 figures

References in corpus (5)

• Photoelectron angular distributions from strong-field ionization of oriented molecules
• Tuning the conductance of a molecular switch
• Quantum-state selection, alignment, and orientation of large molecules using static electric and laser fields
• Manipulating the torsion of molecules by strong laser pulses
• State- and conformer-selected beams of aligned and oriented molecules for ultrafast diffraction studies

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• Nonlinear dynamics of molecular superrotors
• Nonlinear dynamics and energy transfer for two rotating dipoles in an external field: A three-dimensional analysis