A case study for terahertz-assisted single attosecond pulse generation

Balogh, Emeric and Kovács, K. and Tosa, V. and Varjú, Katalin (2012) A case study for terahertz-assisted single attosecond pulse generation. Journal of Physics B: Atomic, Molecular and Optical Physics, 45 (7). No.-074022. ISSN 0953-4075, ESSN: 1361-6455

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We numerically investigate the use of strong THz radiation in assisting single attosecond pulse generation by few-cycle, 800 nm laser pulses. We optimize focusing conditions to generate short and powerful single attosecond pulses of high-energy photons by keeping the parameters of the THz field within the limits achieved experimentally. We show that using optimal focusing geometry isolated attosecond pulses shorter than 100 as can be obtained even in the absence of further gating or XUV compression techniques, using an 8 fs generating pulse. Furthermore, quantum path control of short- and long-trajectory components is demonstrated by varying the delay between the THz and IR pulses.

Item Type: Article
Subjects: Q Science / természettudomány > QC Physics / fizika > QC02 Optics / fénytan
Depositing User: Dr Katalin Varju
Date Deposited: 19 Sep 2014 09:34
Last Modified: 19 Sep 2014 09:34

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