Real-space perspective on dephasing in solid-state high harmonic generation

We develop and demonstrate a fully real-space perspective on high harmonic generation (HHG) in crystals. Due to the Wannier-Stark localization induced on subcycle timescales in the presence of a strong field, real-space descriptions are natural for strongly driven solids. Our approach allows us to a...

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Autores: Brown, G.G., Jiménez-Galán, Á., Silva, Rui E. F., Ivanov, M.
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2024
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/393449
Acceso en línea:http://hdl.handle.net/10261/393449
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85205965284&doi=10.1103%2fPhysRevResearch.6.043005&partnerID=40&md5=eeebca38e8490bd10fcb9127bb06119c
Access Level:acceso abierto
Palabra clave:Carrier generation & recombination
Crystal phenomena
High-order harmonic generation
Multiphoton or tunneling ionization & excitation
Semiconductors
High-harmonic generation
Optical absorption spectroscopy
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spelling Real-space perspective on dephasing in solid-state high harmonic generationBrown, G.G.Jiménez-Galán, Á.Silva, Rui E. F.Ivanov, M.Carrier generation & recombinationCrystal phenomenaHigh-order harmonic generationMultiphoton or tunneling ionization & excitationSemiconductorsHigh-harmonic generationOptical absorption spectroscopyWe develop and demonstrate a fully real-space perspective on high harmonic generation (HHG) in crystals. Due to the Wannier-Stark localization induced on subcycle timescales in the presence of a strong field, real-space descriptions are natural for strongly driven solids. Our approach allows us to address the origin of the extremely short dephasing times, which appear necessary for agreement between experimental HHG measurements and theoretical calculations generally performed in reciprocal space. We develop a physically transparent model of real-space dephasing which relates its rate to the distance between different sites in a laser-driven lattice. Our approach leads to well-structured high harmonic spectra at the microscopic level, reproduces the results of macroscopic propagation, and demonstrates that the requirement for ultrafast dephasing times stems from the need for suppressing recombination events with large electron-hole separations during radiative recombination. © 2024 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.G.G.B. acknowledges funding from the European Union's Horizon 2020 research and innovation programme under Grant Agreement No. 899794 (Optologic). M.I. acknowledges funding from the SFB 1477 "Light Matter Interaction at Interfaces" Project No. 441234705. A.J.G. acknowledges funding from the European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska - Curie Grant Agreement No. 101028938. R.E.F.S. acknowledges support from the fellowship LCF/BQ/PR21/11840008 from "La Caixa Foundation" (ID 100010434). We thank A. Marini, H. Gross, E. Goulielmakis, and A. Leitenstorfer for exceptionally useful comments.Peer reviewedAmerican Physical SocietyConsejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202520252024info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/393449https://www.scopus.com/inward/record.uri?eid=2-s2.0-85205965284&doi=10.1103%2fPhysRevResearch.6.043005&partnerID=40&md5=eeebca38e8490bd10fcb9127bb06119creponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)InglésPhysical Review Researchhttps://doi.org/10.1103/PhysRevResearch.6.043005Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3934492026-05-22T06:33:51Z
dc.title.none.fl_str_mv Real-space perspective on dephasing in solid-state high harmonic generation
title Real-space perspective on dephasing in solid-state high harmonic generation
spellingShingle Real-space perspective on dephasing in solid-state high harmonic generation
Brown, G.G.
Carrier generation & recombination
Crystal phenomena
High-order harmonic generation
Multiphoton or tunneling ionization & excitation
Semiconductors
High-harmonic generation
Optical absorption spectroscopy
title_short Real-space perspective on dephasing in solid-state high harmonic generation
title_full Real-space perspective on dephasing in solid-state high harmonic generation
title_fullStr Real-space perspective on dephasing in solid-state high harmonic generation
title_full_unstemmed Real-space perspective on dephasing in solid-state high harmonic generation
title_sort Real-space perspective on dephasing in solid-state high harmonic generation
dc.creator.none.fl_str_mv Brown, G.G.
Jiménez-Galán, Á.
Silva, Rui E. F.
Ivanov, M.
author Brown, G.G.
author_facet Brown, G.G.
Jiménez-Galán, Á.
Silva, Rui E. F.
Ivanov, M.
author_role author
author2 Jiménez-Galán, Á.
Silva, Rui E. F.
Ivanov, M.
author2_role author
author
author
dc.contributor.none.fl_str_mv Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Carrier generation & recombination
Crystal phenomena
High-order harmonic generation
Multiphoton or tunneling ionization & excitation
Semiconductors
High-harmonic generation
Optical absorption spectroscopy
topic Carrier generation & recombination
Crystal phenomena
High-order harmonic generation
Multiphoton or tunneling ionization & excitation
Semiconductors
High-harmonic generation
Optical absorption spectroscopy
description We develop and demonstrate a fully real-space perspective on high harmonic generation (HHG) in crystals. Due to the Wannier-Stark localization induced on subcycle timescales in the presence of a strong field, real-space descriptions are natural for strongly driven solids. Our approach allows us to address the origin of the extremely short dephasing times, which appear necessary for agreement between experimental HHG measurements and theoretical calculations generally performed in reciprocal space. We develop a physically transparent model of real-space dephasing which relates its rate to the distance between different sites in a laser-driven lattice. Our approach leads to well-structured high harmonic spectra at the microscopic level, reproduces the results of macroscopic propagation, and demonstrates that the requirement for ultrafast dephasing times stems from the need for suppressing recombination events with large electron-hole separations during radiative recombination. © 2024 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.
publishDate 2024
dc.date.none.fl_str_mv 2024
2025
2025
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/393449
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85205965284&doi=10.1103%2fPhysRevResearch.6.043005&partnerID=40&md5=eeebca38e8490bd10fcb9127bb06119c
url http://hdl.handle.net/10261/393449
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85205965284&doi=10.1103%2fPhysRevResearch.6.043005&partnerID=40&md5=eeebca38e8490bd10fcb9127bb06119c
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Physical Review Research
https://doi.org/10.1103/PhysRevResearch.6.043005
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv American Physical Society
publisher.none.fl_str_mv American Physical Society
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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