Experimental comparison of frustrated tunnel ionisation in multi-cycle and few-cycle pulses

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Author(s)
Chetty, D
Glover, RD
Xu, H
Palmer, AJ
Deharak, BA
Light, PS
Luiten, AN
Litvinyuk, IV
Sang, RT
Year published
2020
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We present the first experimental evidence which qualitatively shows that frustrated tunnel ionization results in a larger number of excited neutrals per a tunnelling event for 6 fs pulses compared to 30 fs pulses. In addition, we also observe a less severe dependence on elliptical polarization for the 6 fs pulses. Furthermore, by varying the carrier envelope phase of the shorter pulse, we observe a modulation in the yield of excited neutrals which indicates possible control of electron trajectories.We present the first experimental evidence which qualitatively shows that frustrated tunnel ionization results in a larger number of excited neutrals per a tunnelling event for 6 fs pulses compared to 30 fs pulses. In addition, we also observe a less severe dependence on elliptical polarization for the 6 fs pulses. Furthermore, by varying the carrier envelope phase of the shorter pulse, we observe a modulation in the yield of excited neutrals which indicates possible control of electron trajectories.
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Conference Title
Journal of Physics: Conference Series
Volume
1412
Issue
9
Copyright Statement
© The Author(s) 2020. Published under licence in the Journal of Physics: Conference Series by IOP Publishing Ltd. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
Subject
Atomic, molecular and optical physics
Nuclear and plasma physics
Particle and high energy physics
Condensed matter physics
Lasers and quantum electronics
Other physical sciences
Science & Technology
Physical Sciences
Optics
Physics, Applied
Physics, Atomic, Molecular & Chemical