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Hernández-García C, Popmintchev T, Murnane MM, et al. Isolated broadband attosecond pulse generation with near- and mid-infrared driver pulses via time-gated phase matching. Opt Express. 2017;25(10):11855-11866doi: 10.1364/OE.25.011855.
Hernández-García, C., Popmintchev, T., Murnane, M. M., Kapteyn, H. C., Plaja, L., Becker, A., & Jaron-Becker, A. (2017). Isolated broadband attosecond pulse generation with near- and mid-infrared driver pulses via time-gated phase matching. Optics express, 25(10), 11855-11866. https://doi.org/10.1364/OE.25.011855
Hernández-García, C, et al. "Isolated broadband attosecond pulse generation with near- and mid-infrared driver pulses via time-gated phase matching." Optics express vol. 25,10 (2017): 11855-11866. doi: https://doi.org/10.1364/OE.25.011855
Hernández-García C, Popmintchev T, Murnane MM, Kapteyn HC, Plaja L, Becker A, Jaron-Becker A. Isolated broadband attosecond pulse generation with near- and mid-infrared driver pulses via time-gated phase matching. Opt Express. 2017 May 15;25(10):11855-11866. doi: 10.1364/OE.25.011855. PMID: 28788745.
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Opt Express. 2017 May 15;25(10):11855-11866. doi: 10.1364/OE.25.011855.

Isolated broadband attosecond pulse generation with near- and mid-infrared driver pulses via time-gated phase matching.

Optics express

C Hernández-García, T Popmintchev, M M Murnane, H C Kapteyn, L Plaja, A Becker, A Jaron-Becker

PMID: 28788745 DOI: 10.1364/OE.25.011855

Abstract

We present a theoretical analysis of the time-gated phase matching (ionization gating) mechanism in high-order harmonic generation for the isolation of attosecond pulses at near-infrared and mid-infrared driver wavelengths, for both few-cycle and multi-cycle driving laser pulses. Results of our high harmonic generation and three-dimensional propagation simulations show that broadband isolated pulses spanning from the extreme-ultraviolet well into the soft X-ray region of the spectrum can be generated for both few-cycle and multi-cycle laser pulses. We demonstrate the key role of absorption and group velocity matching for generating bright, isolated, attosecond pulses using long wavelength multi-cycle pulses. Finally, we show that this technique is robust against carrier-envelope phase and peak intensity variations.

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