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Title

Multiorder Nonlinear Mixing in Metal Oxide Nanoparticles

Authors
Lucarini, Fiorella
Gautschi, Ivan
Le Dantec, Ronan
Staedler, Davide
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Published in Nano Letters. 2020
Abstract Whereas most of the reports on the nonlinear properties of micro- and nanostructures address the generation of distinct signals, such as second or third harmonic, here we demonstrate that the novel generation of dual output lasers recently developed for microscopy can readily increase the accessible parameter space and enable the simultaneous excitation and detection of multiple emission orders such as several harmonics and signals stemming from various sum and difference frequency mixing processes. This rich response, which in our case features 10 distinct emissions and encompasses the whole spectral range from the deep ultraviolet to the short-wave infrared region, is demonstrated using various nonlinear oxide nanomaterials while being characterized and simulated temporally and spectrally. Notably, we show that the response is conserved when the particles are embedded in biological media opening the way to novel biolabeling and phototriggering strategies.
Keywords Nonlinear opticsNanoparticlesMicroscopyQuantum mechanicsLasers
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Article (Accepted version) (8.5 MB) - document accessible for UNIGE members only Limited access to UNIGE (until 2021-11-26)
Article (Published version) (3.5 MB) - document accessible for UNIGE members only Limited access to UNIGE
Other version: https://pubs.acs.org/doi/10.1021/acs.nanolett.0c03559
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CAMPARGUE, Gabriel et al. Multiorder Nonlinear Mixing in Metal Oxide Nanoparticles. In: Nano Letters, 2020. doi: 10.1021/acs.nanolett.0c03559 https://archive-ouverte.unige.ch/unige:145483

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Deposited on : 2020-11-30

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