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Plasmon-induced low energy interband transitions in porous gold films
Umeå University, Faculty of Science and Technology, Department of Physics.ORCID iD: 0000-0002-0839-4556
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.ORCID iD: 0000-0003-0992-9871
Dipartimento di Scienze e Metodi dell'ingegneria, Università di Modena e Reggio Emilia, Reggio Emilia, Italy; Istituto Italiano di Tecnologia, Genova, Italy.
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2025 (English)In: 2025 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2025, Institute of Electrical and Electronics Engineers (IEEE), 2025Conference paper, Published paper (Refereed)
Abstract [en]

We study ultrafast charge dynamics in porous gold films. Pump-probe experiments, supported by a semi-classical model, reveal transient plasmon-induced interband transitions below 2 eV, where these excitations are not observed in bulk gold.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2025.
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:umu:diva-244586DOI: 10.1109/CLEO/EUROPE-EQEC65582.2025.11110514Scopus ID: 2-s2.0-105016211131ISBN: 9798331512521 (electronic)OAI: oai:DiVA.org:umu-244586DiVA, id: diva2:2005564
Conference
2025 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2025, Munich, Germany, 23-27 June, 2025.
Available from: 2025-10-10 Created: 2025-10-10 Last updated: 2025-10-10Bibliographically approved

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Tapani, TlekHenriksson, NilsMaccaferri, Nicolò

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