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dc.contributor.author
Abdelwahab, Ibrahim
dc.contributor.author
Tilmann, Benjamin
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Zhao, Xiaoxu
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Verzhbitskiy, Ivan
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Berté, Rodrigo
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Eda, Goki
dc.contributor.author
Wilson, William L.
dc.contributor.author
Grinblat, Gustavo Sergio
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dc.contributor.author
de S. Menezes, Leonardo
dc.contributor.author
Loh, Kian Ping
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Maier, Stefan A.
dc.date.available
2024-02-27T13:34:47Z
dc.date.issued
2023-04
dc.identifier.citation
Abdelwahab, Ibrahim; Tilmann, Benjamin; Zhao, Xiaoxu; Verzhbitskiy, Ivan; Berté, Rodrigo; et al.; Highly Efficient Sum-Frequency Generation in Niobium Oxydichloride NbOCl2 Nanosheets; John Wiley & Sons; Advanced Optical Materials; 11; 7; 4-2023; 1-8
dc.identifier.uri
http://hdl.handle.net/11336/228588
dc.description.abstract
Parametric infrared (IR) upconversion is a process in which low-frequency IR photons are upconverted into high-frequency ultraviolet/visible photons through a nonlinear optical process. It is of paramount importance for a wide range of security, material science, and healthcare applications. However, in general, the efficiencies of upconversion processes are typically extremely low for nanometer-scale materials due to the short penetration depth of the excitation fields. Here, parametric IR upconversion processes, including frequency doubling and sum-frequency generation, are studied in layered van der Waals NbOCl2. An upconversion efficiency of up to 0.004% is attained for the NbOCl2 nanosheets, orders of magnitude higher than previously reported values for nonlinear layered materials. The upconverted signal is sensitive to layer numbers, crystal orientation, excitation wavelength, and temperature, and it can be utilized as an optical cross-correlator for ultrashort pulse characterization.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
John Wiley & Sons
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by/2.5/ar/
dc.subject
2D MATERIALS
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CROSS-CORRELATION
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FERROELECTRICITY
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OPTICAL NONLINEARITY
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SECOND-HARMONIC GENERATION
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SUM-FREQUENCY GENERATION
dc.subject.classification
Óptica
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Ciencias Físicas
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CIENCIAS NATURALES Y EXACTAS
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dc.title
Highly Efficient Sum-Frequency Generation in Niobium Oxydichloride NbOCl2 Nanosheets
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2024-02-22T11:31:21Z
dc.identifier.eissn
2195-1071
dc.journal.volume
11
dc.journal.number
7
dc.journal.pagination
1-8
dc.journal.pais
Estados Unidos
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dc.journal.ciudad
Nueva York
dc.description.fil
Fil: Abdelwahab, Ibrahim. Harvard University; Estados Unidos. Ludwig Maximilians Universitat; Alemania
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Fil: Tilmann, Benjamin. Ludwig Maximilians Universitat; Alemania
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Fil: Zhao, Xiaoxu. Nanyang Technological University; Singapur
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Fil: Verzhbitskiy, Ivan. National University of Singapore; Singapur
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Fil: Berté, Rodrigo. Universidade Federal de Goiás; Brasil. Ludwig Maximilians Universitat; Alemania
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Fil: Eda, Goki. National University of Singapore; Singapur
dc.description.fil
Fil: Wilson, William L.. Harvard University; Estados Unidos
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Fil: Grinblat, Gustavo Sergio. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina
dc.description.fil
Fil: de S. Menezes, Leonardo. Universidade Federal de Pernambuco; Brasil. Ludwig Maximilians Universitat; Alemania
dc.description.fil
Fil: Loh, Kian Ping. Hong Kong Polytechnic University; Hong Kong
dc.description.fil
Fil: Maier, Stefan A.. Imperial College London; Reino Unido. Ludwig Maximilians Universitat; Alemania. Monash University; Australia
dc.journal.title
Advanced Optical Materials
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1002/adom.202202833
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/10.1002/adom.202202833
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