Search Results - "Bragas, Andrea V."

The Progress of the Latin American Photonics Community - and a Brief Mention about Mechanical Nanoresonators by Bragas, Andrea V.

“…In this article, we will briefly review the history and progress of photonics in Latin America, describing the discipline's development over the years and its…”
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High-Efficiency Second Harmonic Generation from a Single Hybrid ZnO Nanowire/Au Plasmonic Nano-Oligomer by Grinblat, Gustavo, Rahmani, Mohsen, Cortés, Emiliano, Caldarola, Martín, Comedi, David, Maier, Stefan A, Bragas, Andrea V

“…We introduce a plasmonic-semiconductor hybrid nanosystem, consisting of a ZnO nanowire coupled to a gold pentamer oligomer by crossing the hot-spot. It is…”
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Engineering gallium phosphide nanostructures for efficient nonlinear photonics and enhanced spectroscopies by Moretti, Gianni Q., Cortés, Emiliano, Maier, Stefan A., Bragas, Andrea V., Grinblat, Gustavo

“…Optical resonances arising from quasi-bound states in the continuum (QBICs) have been recently identified in nanostructured dielectrics, showing ultrahigh…”
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Si metasurface supporting multiple quasi-BICs for degenerate four-wave mixing by Moretti, Gianni Q., Weber, Thomas, Possmayer, Thomas, Cortés, Emiliano, Menezes, Leonardo de S., Bragas, Andrea V., Maier, Stefan A., Tittl, Andreas, Grinblat, Gustavo

“…Dielectric metasurfaces supporting quasi-bound states in the continuum (qBICs) enable high field enhancement with narrow-linewidth resonances in the visible…”
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Introducing a Symmetry‐Breaking Coupler into a Dielectric Metasurface Enables Robust High‐Q Quasi‐BICs by Moretti, Gianni Q., Tittl, Andreas, Cortés, Emiliano, Maier, Stefan A., Bragas, Andrea V., Grinblat, Gustavo

“…Dielectric metasurfaces supporting quasibound states in the continuum (quasi‐BICs) exhibit very high‐quality factor resonances and electric field confinement…”
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Monitoring in real-time focal adhesion protein dynamics in response to a discrete mechanical stimulus by von Bilderling, Catalina, Caldarola, Martín, Masip, Martín E, Bragas, Andrea V, Pietrasanta, Lía I

“…The adhesion of cells to the extracellular matrix is a hierarchical, force-dependent, multistage process that evolves at several temporal scales. An…”
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Non-plasmonic nanoantennas for surface enhanced spectroscopies with ultra-low heat conversion by Caldarola, Martín, Albella, Pablo, Cortés, Emiliano, Rahmani, Mohsen, Roschuk, Tyler, Grinblat, Gustavo, Oulton, Rupert F., Bragas, Andrea V., Maier, Stefan A.

“…Nanoplasmonics has recently revolutionized our ability to control light on the nanoscale. Using metallic nanostructures with tailored shapes, it is possible to…”
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Focusing Surface Acoustic Waves with a Plasmonic Hypersonic Lens by Boggiano, Hilario D., Nan, Lin, Grinblat, Gustavo, Maier, Stefan A., Cortés, Emiliano, Bragas, Andrea V.

“…Plasmonic nanoantennas have proven to be efficient transducers of electromagnetic to mechanical energy and vice versa. The sudden thermal expansion of these…”
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Direct Detection of Optical Forces of Magnetic Nature in Dielectric Nanoantennas by Poblet, Martin, Li, Yi, Cortés, Emiliano, Maier, Stefan A, Grinblat, Gustavo, Bragas, Andrea V

“…Optical forces on nanostructures are usually characterized by their interaction with the electric field component of the light wave, given that most materials…”
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Coherent Acoustic Phonons in Plasmonic Nanoparticles: Elastic Properties and Dissipation at Low Temperatures by Boggiano, Hilario D., Possmayer, Thomas, Morguet, Luis, Nan, Lin, Sortino, Luca, Maier, Stefan A., Cortés, Emiliano, Grinblat, Gustavo, Bragas, Andrea V., de S. Menezes, Leonardo

“…We studied the frequency and quality factor of mechanical plasmonic nanoresonators as a function of temperature, ranging from ambient to 4 K. Our investigation…”
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Acoustic Far-Field Hypersonic Surface Wave Detection with Single Plasmonic Nanoantennas by Berte, Rodrigo, Della Picca, Fabricio, Poblet, Martín, Li, Yi, Cortés, Emiliano, Craster, Richard V, Maier, Stefan A, Bragas, Andrea V

“…The optical properties of small metallic particles allow us to bridge the gap between the myriad of subdiffraction local phenomena and macroscopic optical…”
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Monitoring the Photothermal Reshaping of Individual Plasmonic Nanorods with Coherent Mechanical Oscillations by Della Picca, Fabricio, Gutiérrez, Marina V, Bragas, Andrea V, Scarpettini, Alberto F

“…Light absorption in gold nanoparticles leads to metal heating that induces photothermal reshaping because of atomic surface diffusion at temperatures well…”
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Acoustic Coupling between Plasmonic Nanoantennas: Detection and Directionality of Surface Acoustic Waves by Poblet, Martin, Berté, Rodrigo, Boggiano, Hilario D, Li, Yi, Cortés, Emiliano, Grinblat, Gustavo, Maier, Stefan A, Bragas, Andrea V

“…Hypersound waves can be efficient mediators between optical signals at the nanoscale. Having phase velocities several orders of magnitude lower than the speed…”
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Coverage and Aggregation of Gold Nanoparticles on Silanized Glasses by Scarpettini, Alberto F, Bragas, Andrea V

“…We study the dynamics of the coverage and aggregation of gold nanoparticles over organosilanized glass substrates for different sizes of nanoparticles. We…”
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Metal Nanoparticle Ensembles: Tunable Laser Pulses Distinguish Monomer from Dimer Vibrations by Jais, Pablo M, Murray, Daniel B, Merlin, Roberto, Bragas, Andrea V

“…Resonant interaction of laser pulses with plasmons is used to identify vibrations associated with isolated spheres and pairs of contacting spheres in a system…”
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A Nonlinear Switching Mechanism in Quantum Dot and Metallic Nanoparticle Hybrid Systems by Cox, Joel D., Singh, Mahi R., von Bilderling, Catalina, Bragas, Andrea V.

“…Second harmonic generation and two‐photon photoluminescence in CdS quantum dots near metallic nanoparticles are theoretically and experimentally investigated…”
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Correction to “Tailored Hypersound Generation in Single Plasmonic Nanoantennas” by Della Picca, Fabricio, Berte, Rodrigo, Rahmani, Mohsen, Albella, Pablo, Bujjamer, Juan M, Poblet, Martín, Cortés, Emiliano, Maier, Stefan A, Bragas, Andrea V

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Tailored Hypersound Generation in Single Plasmonic Nanoantennas by Della Picca, Fabricio, Berte, Rodrigo, Rahmani, Mohsen, Albella, Pablo, Bujjamer, Juan M, Poblet, Martín, Cortés, Emiliano, Maier, Stefan A, Bragas, Andrea V

“…Ultrashort laser pulses impinging on a plasmonic nanostructure trigger a highly dynamic scenario in the interplay of electronic relaxation with lattice…”
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Plasmonic Photothermal Fluorescence Modulation for Homogeneous Biosensing by Pellegrotti, Jesica V, Cortés, Emiliano, Bordenave, Martin D, Caldarola, Martin, Kreuzer, Mark P, Sanchez, Alfredo D, Ojea, Ignacio, Bragas, Andrea V, Stefani, Fernando D

“…Fluorescence readout is uniquely powerful for biological assays and imaging because it combines the detection of specific biotargets with high spatial and…”
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Optical imaging with subnanometric vertical resolution using nanoparticle-based plasmonic probes by Scarpettini, Alberto F., Pellegri, Nora, Bragas, Andrea V.

“…We present images with subnanometric optical resolution using novel metal nanoparticle-based probes in a Field Enhancement Scanning Optical Microscope. The…”
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