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Title: Attosecond synchronization of extreme ultraviolet high harmonics from crystals

Abstract

The interaction of strong near-infrared (NIR) laser pulses with wide-bandgap dielectrics produces high harmonics in the extreme ultraviolet (XUV) wavelength range. These observations have opened up the possibility of attosecond metrology in solids, which would benefit from a precise measurement of the emission times of individual harmonics with respect to the NIR laser field. In this work, we show that, when high-harmonics are detected from the input surface of a magnesium oxide crystal, a bichromatic probing of the XUV emission shows a clear synchronization largely consistent with a semiclassical model of electron–hole recollisions in bulk solids. On the other hand, the bichromatic spectrogram of harmonics originating from the exit surface of the 200 μm-thick crystal is strongly modified, indicating the influence of laser field distortions during propagation. Our tracking of sub-cycle electron and hole re-collisions at XUV energies is relevant to the development of solid-state sources of attosecond pulses.

Authors:
ORCiD logo [1];  [1];  [1];  [1];  [2];  [1];  [2];  [2];  [1];  [1]
  1. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  2. Louisiana State Univ., Baton Rouge, LA (United States)
Publication Date:
Research Org.:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences & Biosciences Division; WM Keck Foundation; Swiss National Science Foundation (SNSF); National Science Foundation (NSF)
OSTI Identifier:
1646795
Grant/Contract Number:  
AC02-76SF00515; PHY-1713671
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Physics. B, Atomic, Molecular and Optical Physics
Additional Journal Information:
Journal Volume: 53; Journal Issue: 14; Journal ID: ISSN 0953-4075
Publisher:
IOP Publishing
Country of Publication:
United States
Language:
English
Subject:
74 ATOMIC AND MOLECULAR PHYSICS; high harmonics; coherent control; extreme ultraviolet

Citation Formats

Vampa, Giulio, Lu, Jian, You, Yong Sing, Baykusheva, Denitsa R., Wu, Mengxi, Liu, Hanzhe, Schafer, Kenneth J., Gaarde, Mette B., Reis, David A., and Ghimire, Shambhu. Attosecond synchronization of extreme ultraviolet high harmonics from crystals. United States: N. p., 2020. Web. doi:10.1088/1361-6455/ab8e56.
Vampa, Giulio, Lu, Jian, You, Yong Sing, Baykusheva, Denitsa R., Wu, Mengxi, Liu, Hanzhe, Schafer, Kenneth J., Gaarde, Mette B., Reis, David A., & Ghimire, Shambhu. Attosecond synchronization of extreme ultraviolet high harmonics from crystals. United States. https://doi.org/10.1088/1361-6455/ab8e56
Vampa, Giulio, Lu, Jian, You, Yong Sing, Baykusheva, Denitsa R., Wu, Mengxi, Liu, Hanzhe, Schafer, Kenneth J., Gaarde, Mette B., Reis, David A., and Ghimire, Shambhu. Wed . "Attosecond synchronization of extreme ultraviolet high harmonics from crystals". United States. https://doi.org/10.1088/1361-6455/ab8e56. https://www.osti.gov/servlets/purl/1646795.
@article{osti_1646795,
title = {Attosecond synchronization of extreme ultraviolet high harmonics from crystals},
author = {Vampa, Giulio and Lu, Jian and You, Yong Sing and Baykusheva, Denitsa R. and Wu, Mengxi and Liu, Hanzhe and Schafer, Kenneth J. and Gaarde, Mette B. and Reis, David A. and Ghimire, Shambhu},
abstractNote = {The interaction of strong near-infrared (NIR) laser pulses with wide-bandgap dielectrics produces high harmonics in the extreme ultraviolet (XUV) wavelength range. These observations have opened up the possibility of attosecond metrology in solids, which would benefit from a precise measurement of the emission times of individual harmonics with respect to the NIR laser field. In this work, we show that, when high-harmonics are detected from the input surface of a magnesium oxide crystal, a bichromatic probing of the XUV emission shows a clear synchronization largely consistent with a semiclassical model of electron–hole recollisions in bulk solids. On the other hand, the bichromatic spectrogram of harmonics originating from the exit surface of the 200 μm-thick crystal is strongly modified, indicating the influence of laser field distortions during propagation. Our tracking of sub-cycle electron and hole re-collisions at XUV energies is relevant to the development of solid-state sources of attosecond pulses.},
doi = {10.1088/1361-6455/ab8e56},
journal = {Journal of Physics. B, Atomic, Molecular and Optical Physics},
number = 14,
volume = 53,
place = {United States},
year = {Wed Jun 17 00:00:00 EDT 2020},
month = {Wed Jun 17 00:00:00 EDT 2020}
}

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Cited by: 17 works
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Works referencing / citing this record:

Mechanisms of high harmonic generation in solids
preprint, January 2022