Paper
4 May 2015 Isolated attosecond pulse generation via the interference of ionized multi-recollision wave-packets
Suyu Li, Jun Wang, Fuming Guo, Yujun Yang, Mingxing Jin
Author Affiliations +
Proceedings Volume 9543, Third International Symposium on Laser Interaction with Matter; 95430V (2015) https://doi.org/10.1117/12.2182015
Event: Third International Symposium on Laser Interaction with Matter, 2014, Jiangsu, China
Abstract
We propose and theoretically demonstrate a method for generating an intense isolated attosecond pulse by a few-cycle strong laser pulse. The numerical simulations show that a broadband supercontinuum spectrum can be obtained by the interference of the ionized multi-recollision wave-packets with different energies, which are produced from the laser field at different ionization instants. By controlling the peak intensity of the few-cycle laser pulse, the atom can be completely ionized in the rising edge of the few-cycle laser pulse. Therefore, the probability of ionized wave packet is large enough to ensure the continuous harmonics with high efficiency, and an intense isolated 77 as pulse can be achieved successfully. Moreover, it is shown that our scheme can modulate the duration of the isolated attosecond pulse by adjusting the initial population of the atom.
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Suyu Li, Jun Wang, Fuming Guo, Yujun Yang, and Mingxing Jin "Isolated attosecond pulse generation via the interference of ionized multi-recollision wave-packets", Proc. SPIE 9543, Third International Symposium on Laser Interaction with Matter, 95430V (4 May 2015); https://doi.org/10.1117/12.2182015
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KEYWORDS
Ions

Pulsed laser operation

Chemical species

Electrons

Solids

Ionization

Superposition

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