Linking High-Harmonic Generation and Strong-Field Ionization in Bulk Crystals

Peter Juergens; Sylvianne D.C. Roscam Abbing; Mark Mero; Clara L. Garcia; Graham G. Brown; Marc J.J. Vrakking; Alexandre Mermillod-Blondin; Peter M. Kraus; Anton Husakou

doi:10.1021/acsphotonics.3c01436

Linking High-Harmonic Generation and Strong-Field Ionization in Bulk Crystals

Peter Juergens^*
, Sylvianne D.C. Roscam Abbing
, Mark Mero
, Clara L. Garcia
, Graham G. Brown
, Marc J.J. Vrakking
, Alexandre Mermillod-Blondin
, Peter M. Kraus
, Anton Husakou

^*Corresponding author for this work

Research output: Contribution to Journal › Article › Academic › peer-review

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Abstract

The generation of high-order harmonics in bulk solids subjected to intense ultrashort laser pulses has opened up new avenues for research in extreme nonlinear optics and light-matter interaction on subcycle time scales. Despite significant advancement over the past decade, a complete understanding of the involved phenomena is still lacking. High-harmonic generation in solids is currently understood as arising from nonlinear intraband currents, interband recollision, and ionization-related phenomena. As all of these mechanisms involve or rely upon laser-driven excitation, we combine measurements of the angular dependence of nonlinear absorption and high-order harmonic generation in bulk crystals to demonstrate the relation between high-harmonic emission and nonlinear, laser-induced ionization in solids. An unambiguous correlation between the emission of harmonics and laser-induced ionization is found experimentally, which is supported by numerical solutions of the semiconductor Bloch equations and an analytical model of orientation-dependent ionization rates using maximally localized Wannier functions.

Original language	English
Pages (from-to)	247-256
Number of pages	10
Journal	ACS Photonics
Volume	11
Issue number	1
Early online date	3 Jan 2024
DOIs	https://doi.org/10.1021/acsphotonics.3c01436
Publication status	Published - 17 Jan 2024

Bibliographical note

Publisher Copyright:
© 2024 American Chemical Society.

Funding

Funding by the German Research Foundation - SFB1477 “Light-Matter Interaction at Interfaces”, Project No. 441234705, is gratefully acknowledged. The work of S.D.C.R.A. and P.M.K. has been carried out at the Advanced Research Center for Nanolithography (ARCNL), a public–private partnership of the University of Amsterdam (UvA), the Vrije Universiteit Amsterdam (VU), the Dutch Research Council (NWO), and the semiconductor equipment manufacturer ASML and was partly financed by Toeslag voor Topconsortia voor Kennis en Innovatie (TKI) from the Dutch Ministry of Economic Affairs and Climate Policy. P.M.K. acknowledges support from ERC Starting Grant ANACONDA (grant no. 101041819). This work has received funding from the European Union’s Horizon 2020 research and innovation program under Grant Agreement No. 871124 Laserlab-Europe.

Funders	Funder number
Toeslag voor Topconsortia voor Kennis en Innovatie
Nederlandse Organisatie voor Wetenschappelijk Onderzoek
European Commission
Ministerie van Economische Zaken en Klimaat
Universiteit van Amsterdam
European Research Council	101041819
Deutsche Forschungsgemeinschaft	SFB1477, 441234705
Horizon 2020 Framework Programme	871124

Keywords

attosecond physics
high-harmonic generation
nonlinear optics
plasma formation
strong-field ionization
strong-field physics
ultrafast optics

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10.1021/acsphotonics.3c01436

juergens-et-al-2024-linking-high-harmonic-generation-and-strong-field-ionization-in-bulk-crystalsFinal published version, 5.21 MBLicence: Article 25fa Dutch Copyright Act

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title = "Linking High-Harmonic Generation and Strong-Field Ionization in Bulk Crystals",

abstract = "The generation of high-order harmonics in bulk solids subjected to intense ultrashort laser pulses has opened up new avenues for research in extreme nonlinear optics and light-matter interaction on subcycle time scales. Despite significant advancement over the past decade, a complete understanding of the involved phenomena is still lacking. High-harmonic generation in solids is currently understood as arising from nonlinear intraband currents, interband recollision, and ionization-related phenomena. As all of these mechanisms involve or rely upon laser-driven excitation, we combine measurements of the angular dependence of nonlinear absorption and high-order harmonic generation in bulk crystals to demonstrate the relation between high-harmonic emission and nonlinear, laser-induced ionization in solids. An unambiguous correlation between the emission of harmonics and laser-induced ionization is found experimentally, which is supported by numerical solutions of the semiconductor Bloch equations and an analytical model of orientation-dependent ionization rates using maximally localized Wannier functions.",

keywords = "attosecond physics, high-harmonic generation, nonlinear optics, plasma formation, strong-field ionization, strong-field physics, ultrafast optics",

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AU - Juergens, Peter

AU - Roscam Abbing, Sylvianne D.C.

AU - Mero, Mark

AU - Garcia, Clara L.

AU - Brown, Graham G.

AU - Vrakking, Marc J.J.

AU - Mermillod-Blondin, Alexandre

AU - Kraus, Peter M.

AU - Husakou, Anton

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N2 - The generation of high-order harmonics in bulk solids subjected to intense ultrashort laser pulses has opened up new avenues for research in extreme nonlinear optics and light-matter interaction on subcycle time scales. Despite significant advancement over the past decade, a complete understanding of the involved phenomena is still lacking. High-harmonic generation in solids is currently understood as arising from nonlinear intraband currents, interband recollision, and ionization-related phenomena. As all of these mechanisms involve or rely upon laser-driven excitation, we combine measurements of the angular dependence of nonlinear absorption and high-order harmonic generation in bulk crystals to demonstrate the relation between high-harmonic emission and nonlinear, laser-induced ionization in solids. An unambiguous correlation between the emission of harmonics and laser-induced ionization is found experimentally, which is supported by numerical solutions of the semiconductor Bloch equations and an analytical model of orientation-dependent ionization rates using maximally localized Wannier functions.

AB - The generation of high-order harmonics in bulk solids subjected to intense ultrashort laser pulses has opened up new avenues for research in extreme nonlinear optics and light-matter interaction on subcycle time scales. Despite significant advancement over the past decade, a complete understanding of the involved phenomena is still lacking. High-harmonic generation in solids is currently understood as arising from nonlinear intraband currents, interband recollision, and ionization-related phenomena. As all of these mechanisms involve or rely upon laser-driven excitation, we combine measurements of the angular dependence of nonlinear absorption and high-order harmonic generation in bulk crystals to demonstrate the relation between high-harmonic emission and nonlinear, laser-induced ionization in solids. An unambiguous correlation between the emission of harmonics and laser-induced ionization is found experimentally, which is supported by numerical solutions of the semiconductor Bloch equations and an analytical model of orientation-dependent ionization rates using maximally localized Wannier functions.

KW - attosecond physics

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KW - nonlinear optics

KW - plasma formation

KW - strong-field ionization

KW - strong-field physics

KW - ultrafast optics

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Linking High-Harmonic Generation and Strong-Field Ionization in Bulk Crystals

Abstract

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Keywords

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