Quantum-Phase Resolved Mapping of Ground-State Vibrational D{sub 2} Wave Packets via Selective Depletion in Intense Laser Pulses
Journal Article
·
· Physical Review Letters
- Max-Planck-Institut fuer Kernphysik, Saupfercheckweg 1, 69117 Heidelberg (Germany)
Applying 7 fs pump-probe pulses (780 nm, 4x10{sup 14} W/cm{sup 2}) we observe electronic ground-state vibrational wave packets in neutral D{sub 2} with a period of T=11.101(70) fs by following the internuclear separation (R-)dependent ionization with a sensitivity of {delta}<R>{<=}0.02 A . The absolute phase of the wave packet's motion provides evidence for R-dependent depletion of the ground state by nonlinear ionization, to be the dominant preparation mechanism. A phase shift of about {pi} found between pure ionization (D{sub 2}{sup +}) and dissociation (D{sup +}+D) channels opens a pathway of quantum control.
- OSTI ID:
- 20860784
- Journal Information:
- Physical Review Letters, Vol. 97, Issue 10; Other Information: DOI: 10.1103/PhysRevLett.97.103004; (c) 2006 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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