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  • Coherent control of the dissociation probability of H2+ in ω-3ω two-color fields

    Author(s)
    Xu, Han
    Hu, Hongtao
    Tong, Xiao-Min
    Liu, Peng
    Li, Ruxin
    Sang, Robert T
    Litvinyuk, Igor V
    Griffith University Author(s)
    Sang, Robert T.
    Litvinyuk, Igor
    Xu, Han
    Year published
    2016
    Metadata
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    Abstract
    We demonstrate that the coherent control of unimolecular reactions by using a waveform-controlled laser fields can lead to a strong modulation on the yield of the reaction. By using a synthesized ω (1800-nm) and 3ω (600-nm) two-color laser field, the probability of photodissociation of H2+ can be strongly modulated by varying the relative phase between the two colors. The dissociation probability maximizes at different relative phases for protons with different kinetic energy, and such energy dependence can also be qualitatively reproduced by our simulation. We attribute the observed dissociation probability modulation to ...
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    We demonstrate that the coherent control of unimolecular reactions by using a waveform-controlled laser fields can lead to a strong modulation on the yield of the reaction. By using a synthesized ω (1800-nm) and 3ω (600-nm) two-color laser field, the probability of photodissociation of H2+ can be strongly modulated by varying the relative phase between the two colors. The dissociation probability maximizes at different relative phases for protons with different kinetic energy, and such energy dependence can also be qualitatively reproduced by our simulation. We attribute the observed dissociation probability modulation to the interference between two different dissociation pathways which start from the same electronic states and end with the same kinetic energy.
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    Journal Title
    Physical Review A - Atomic, Molecular, and Optical Physics
    Volume
    93
    Issue
    6
    DOI
    https://doi.org/10.1103/PhysRevA.93.063416
    Subject
    Other physical sciences not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/142539
    Collection
    • Journal articles

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