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Electron choreography at the attosecond time scale
Author(s) -
Brady Unzicker,
John Vaughan,
Spenser Burrows,
B. Tatum,
Davis Arthur,
Tim Olsson,
Sanjay Jain,
Trevor Hart,
Patrick Stringer,
Guillaume Laurent
Publication year - 2021
Publication title -
new journal of physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.584
H-Index - 190
ISSN - 1367-2630
DOI - 10.1088/1367-2630/abdbdf
Subject(s) - attosecond , physics , femtosecond , harmonics , atomic physics , polarization (electrochemistry) , electron , amplitude , optics , ultrashort pulse , pulse (music) , laser , voltage , quantum mechanics , chemistry , detector
In this work, we report on coherent control of electron dynamics in atoms via attosecond pulse-shaping. We show that the photoelectron emission from argon gas produced by absorption of an attosecond pulse train (APT) made of odd and even harmonics can be manipulated along the direction of polarization of the light by tuning the spectral components (amplitude and phase) of the pulse. In addition, we show that APTs produced with a two-color (400- plus 800 nm) femtosecond driving field exhibit high temporal tunability, which is optimized for an intensity ratio between the two colors in the range of 0.1 to 5%.

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