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  • Generation of an intense single isolated attosecond pulse by use of two-colour waveform control

    Author(s)
    Zeng, Bin
    Yu, Yongli
    Chu, Wei
    Yao, Jinping
    Fu, Yuxi
    Xiong, Hui
    Xu, Han
    Cheng, Ya
    Xu, Zhizhan
    Griffith University Author(s)
    Xu, Han
    Year published
    2009
    Metadata
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    Abstract
    We theoretically demonstrate the generation of an intense single attosecond pulse by superposing a weak sub-harmonic pulse upon a sine-waveform few-cycle driving pulse. By use of a sine-waveform few-cycle pulse instead of its traditionally used cosine waveform counterpart, we show that efficient tunnel ionization for generating electrons which can revisit their parent ion with high kinetic energy can occur only once in the few-cycle laser field, leading to an increase of efficiency by nearly two orders of magnitude in single attosecond pulse generation as compared with the use of a cosine-waveform field.We theoretically demonstrate the generation of an intense single attosecond pulse by superposing a weak sub-harmonic pulse upon a sine-waveform few-cycle driving pulse. By use of a sine-waveform few-cycle pulse instead of its traditionally used cosine waveform counterpart, we show that efficient tunnel ionization for generating electrons which can revisit their parent ion with high kinetic energy can occur only once in the few-cycle laser field, leading to an increase of efficiency by nearly two orders of magnitude in single attosecond pulse generation as compared with the use of a cosine-waveform field.
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    Journal Title
    Journal of Physics B
    Volume
    42
    Issue
    14
    DOI
    https://doi.org/10.1088/0953-4075/42/14/145604
    Subject
    Nonlinear Optics and Spectroscopy
    Atomic and Molecular Physics
    Atomic, Molecular, Nuclear, Particle and Plasma Physics
    Optical Physics
    Theoretical and Computational Chemistry
    Publication URI
    http://hdl.handle.net/10072/42684
    Collection
    • Journal articles

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