Search Results - "Silva, Rui E. F."
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Orbital perspective on high-harmonic generation from solids
Published in Nature communications (18-12-2023)“…High-harmonic generation in solids allows probing and controlling electron dynamics in crystals on few femtosecond timescales, paving the way to lightwave…”
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2
Observation of light-driven band structure via multiband high-harmonic spectroscopy
Published in Nature photonics (01-06-2022)“…Intense light–matter interactions have revolutionized our ability to probe and manipulate quantum systems at sub-femtosecond timescales 1 , opening routes to…”
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3
Attosecond spectral singularities in solid-state high-harmonic generation
Published in Nature photonics (01-03-2020)“…Strong-field-driven electric currents in condensed-matter systems are opening new frontiers in petahertz electronics. In this regime, new challenges are…”
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4
Tracking ultrafast solid-state dynamics using high harmonic spectroscopy
Published in Physical review research (28-06-2021)“…We establish time-resolved high harmonic generation (tr-HHG) as a powerful spectroscopy method for tracking photoinduced dynamics in strongly correlated…”
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5
Impact of Vibrational Modes in the Plasmonic Purcell Effect of Organic Molecules
Published in ACS photonics (16-12-2020)“…By means of quantum tensor network calculations, we investigate the large Purcell effect experienced by an organic molecule placed in the vicinity of a…”
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6
Light-wave-controlled Haldane model in monolayer hexagonal boron nitride
Published in Nature (London) (25-04-2024)“…In recent years, the stacking and twisting of atom-thin structures with matching crystal symmetry has provided a unique way to create new superlattice…”
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7
All-optical valley switch and clock of electronic dephasing
Published in Optics express (15-08-2022)“…2D materials with broken inversion symmetry posses an extra degree of freedom, the valley pseudospin, that labels in which of the two energy-degenerate crystal…”
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8
Valleytronics in bulk MoS2 with a topologic optical field
Published in Nature (London) (25-04-2024)“…The valley degree of freedom 1 – 4 of electrons in materials promises routes towards energy-efficient information storage with enticing prospects for quantum…”
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Photocatalytic activity of ZnO- and TiO2- coated poly (methyl methacrylate) microcapsules by atomic layer deposition for water purification
Published in Thin solid films (30-10-2024)“…•PMMA microcapsules coated with TiO2 and ZnO films have photocatalytic properties.•ZnO-coated microcapsules are more efficient in photocatalysis.•Minimum…”
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10
Symmetry-aware deep neural networks for high harmonic spectroscopy in solids
Published in Optics express (05-06-2023)“…Neural networks are a prominent tool for identifying and modeling complex patterns, which are otherwise hard to detect and analyze. While machine learning and…”
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11
Sub-cycle valleytronics: control of valley polarization using few-cycle linearly polarized pulses
Published in Optica (20-03-2021)“…So far, it has been assumed that selective excitation of a desired valley in the Brillouin zone of a hexagonal two-dimensional material has to rely on using…”
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12
Observation of interband Berry phase in laser-driven crystals
Published in Nature (London) (01-02-2024)“…Ever since its discovery 1 , the notion of the Berry phase has permeated all branches of physics and plays an important part in a variety of quantum phenomena…”
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13
Theoretical Approach for Electron Dynamics and Ultrafast Spectroscopy (EDUS)
Published in Journal of chemical theory and computation (10-01-2023)“…In this manuscript, we present a theoretical framework and its numerical implementation to simulate the out-of-equilibrium electron dynamics induced by the…”
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14
Coherent control of the photoinduced transition in a strongly correlated material
Published in Physical review research (01-12-2022)“…The use of intense tailored light fields is the perfect tool to achieve ultrafast control of electronic properties in quantum materials. Among them, Mott…”
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15
Real-space perspective on dephasing in solid-state high harmonic generation
Published in Physical review research (01-10-2024)“…We develop and demonstrate a fully real-space perspective on high harmonic generation (HHG) in crystals. Due to the Wannier-Stark localization induced on…”
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16
Subcycle dynamics of excitons under strong laser fields
Published in Science advances (30-08-2024)“…Excitons play a key role in the linear optical response of two-dimensional (2D) materials. However, their role in the nonlinear response to intense,…”
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17
Permutational symmetry for identical multi-level systems: a second quantized approach
Published 31-03-2022“…Phys. Rev. A 105, 043704 (2022) We develop a framework that provides a straightforward approach to fully exploit the permutational symmetry of identical…”
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18
All-optical valley switch and clock of electronic dephasing
Published 19-09-2023“…2D materials with broken inversion symmetry posses an extra degree of freedom, the valley pseudospin, that labels in which of the two energy-degenerate crystal…”
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19
Light-wave coherent control of the insulator-to-metal transition in a strongly correlated material
Published 14-06-2022“…The use of intense tailored light fields is the perfect tool to achieve ultrafast control of electronic properties in quantum materials. Among them, Mott…”
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20
High-Harmonic Generation with a twist: all-optical characterization of magic-angle twisted bilayer graphene
Published 05-02-2023“…If we stack up two layers of graphene while changing their respective orientation by some twisting angle, we end up with a system that has striking differences…”
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