Attosecond-pulse metrology based on high-order harmonic generation

T. S. Sarantseva, M. V. Frolov, N. L. Manakov, A. A. Silaev, A. A. Romanov, N. V. Vvedenskii, and Anthony F. Starace

Phys. Rev. A 101, 013402 – Published 3 January 2020

Abstract

An all-optical method to retrieve the temporal intensity profile of an extreme ultraviolet (XUV) attosecond pulse is proposed based on XUV-assisted high-order harmonic generation (HHG) by an intense infrared (IR) pulse. For a harmonic located on the XUV-induced high-energy plateau (beyond the IR HHG plateau), the measured harmonic yield as a function of the time delay between the XUV and IR pulses is shown to accurately map the temporal intensity profile of the XUV pulse. Single-color and two-color orthogonal, linearly polarized IR pulses are used to demonstrate the method.

Received 13 September 2019

DOI:https://doi.org/10.1103/PhysRevA.101.013402

Physics Subject Headings (PhySH)

High-order harmonic generation Ultrashort pulses

Atoms

Schroedinger equation Semiclassical methods

Atomic, Molecular & Optical

Authors & Affiliations

T. S. Sarantseva^1,2, M. V. Frolov ¹, N. L. Manakov ¹, A. A. Silaev ^1,2,3, A. A. Romanov^1,2,3, N. V. Vvedenskii ^1,2,3, and Anthony F. Starace^4,*

¹Department of Physics, Voronezh State University, Voronezh 394018, Russia
²Institute of Applied Physics, Russian Academy of Sciences, Nizhny Novgorod 603950, Russia
³Department of Radiophysics, University of Nizhny Novgorod, Nizhny Novgorod 603950, Russia
⁴Department of Physics and Astronomy, University of Nebraska, Lincoln, Nebraska 68588-0299, USA

^*Deceased.

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Issue

Vol. 101, Iss. 1 — January 2020

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