Search Results - "Rocco, Davide"
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THz-photonics transceivers by all-dielectric phonon-polariton nonlinear nanoantennas
Published in Scientific reports (17-03-2022)“…The THz spectrum (spanning from 0.3 to 30 THz) offers the potential of a plethora of applications, ranging from the imaging through non transparent media to…”
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2
Zero-Order Second Harmonic Generation from AlGaAs-on-Insulator Metasurfaces
Published in ACS photonics (15-05-2019)“…All-dielectric metasurfaces consist of two-dimensional arrangements of nanoresonators and are of paramount importance for shaping polarization, phase, and…”
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3
Vertical Second Harmonic Generation in Asymmetric Dielectric Nanoantennas
Published in IEEE photonics journal (01-06-2020)“…High-permittivity III-V semiconductor nanocavities have shown huge potential for enhanced nonlinear light-matter interactions at the nanoscale. In particular,…”
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4
Metal-dielectric hybrid nanoantennas for efficient frequency conversion at the anapole mode
Published in Beilstein journal of nanotechnology (2018)“…Dielectric nanoantennas have recently emerged as an alternative solution to plasmonics for nonlinear light manipulation at the nanoscale, thanks to the…”
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5
Polarization Independent Unidirectional Scattering With Turnstile Nanoantennas
Published in IEEE photonics journal (01-12-2020)“…We study the scattering behavior of a dielectric cross-dipole nanoantenna in the near-infrared spectral range when it is excited by a circular polarized plane…”
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6
Reconfigurable nonlinear response of dielectric and semiconductor metasurfaces
Published in Nanophotonics (Berlin, Germany) (01-12-2021)“…Optically resonant dielectric and semiconductor metasurfaces are an emerging and promising area of nanophotonics and light–matter interaction at the nanoscale…”
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7
High Quality Factor Silicon Membrane Metasurface for Intensity-Based Refractive Index Sensing
Published in Optics (01-09-2021)“…We propose a new sensing device based on all-optical nano-objects placed in a suspended periodic array. We demonstrate that the intensity-based sensing…”
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8
Intrinsic nonlinear geometric phase in SHG from zincblende crystal symmetry media
Published in Nanophotonics (Berlin, Germany) (20-08-2024)“…We demonstrate that AlGaAs thin films and metasurfaces generate a distinct intrinsic nonlinear geometric phase in their second harmonic signals, differing…”
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Tunable second harmonic generation by an all-dielectric diffractive metasurface embedded in liquid crystals
Published in New journal of physics (01-04-2022)“…Abstract We experimentally demonstrate the possibility to modulate the second harmonic (SH) power emitted by nonlinear AlGaAs metasurfaces embedded in a liquid…”
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10
Boosting Second Harmonic Radiation from AlGaAs Nanoantennas with Epsilon-Near-Zero Materials
Published in Applied sciences (01-11-2018)“…Enhancing the second harmonic conversion efficiency at the nanoscale is a critical challenge in nonlinear optics. Here we propose the use of epsilon-near-zero…”
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11
Plasma Antennas: A Comprehensive Review
Published in IEEE access (2024)“…This paper aims to comprehensively review the literature on Gaseous Plasma Antennas (GPAs). These innovative devices transmit electromagnetic (EM) signals…”
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12
Harmonic generation with multi-layer dielectric metasurfaces
Published in Nanophotonics (Berlin, Germany) (01-05-2021)“…Metasurfaces have recently gained extensive interest because of their extraordinary optical behavior as artificial material interfaces with ultrahigh…”
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13
Advances in nonlinear metasurfaces for imaging, quantum, and sensing applications
Published in Nanophotonics (Berlin, Germany) (27-11-2023)“…Abstract Metasurfaces, composed of artificial meta-atoms of subwavelength size, can support strong light–matter interaction based on multipolar resonances and…”
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14
Resonant Fully Dielectric Metasurfaces for Ultrafast Terahertz Pulse Generation
Published in EPJ Web of conferences (2024)“…In the framework of optical frequency conversion, metasurfaces have elevated the potential for effective interfacial nonlinear coefficients through various…”
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15
Second order nonlinear frequency generation at the nanoscale in dielectric platforms
Published in Advances in physics: X (31-12-2022)“…Nonlinear frequency generation at the nanoscale is a hot research topic which is gaining increasing attention in nanophotonics. The generation of harmonics in…”
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16
Coherent all-optical steering of upconverted light by a nonlinear metasurface
Published in EPJ Web of conferences (2023)“…In recent years a strong drive towards the miniaturization of nonlinear optics has been motivated by the functionalities it could empower in integrated…”
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17
Surface vs bulk contribution to the second-harmonic generation in AlGaAs nanoresonators
Published in EPJ Web of conferences (2023)“…We address the surface vs bulk origin of the second-order optical nonlinearity in AlGaAs nanocylinders through polarization-resolved measurements. By comparing…”
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18
Role of the substrate in monolithic AlGaAs nonlinear nanoantennas
Published in Nanophotonics (Berlin, Germany) (24-06-2017)“…We report the effect of the aluminum oxide substrate on the emission of monolithic AlGaAs-on-insulator nonlinear nanoantennas. By coupling nonlinear optical…”
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19
Assembly and Functional Analysis of an S/MAR Based Episome with the Cystic Fibrosis Transmembrane Conductance Regulator Gene
Published in International journal of molecular sciences (17-04-2018)“…Improving the efficacy of gene therapy vectors is still an important goal toward the development of safe and efficient gene therapy treatments. S/MAR…”
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20
Switching the second harmonic generation by a dielectric metasurface via tunable liquid crystal
Published in Optics express (13-04-2020)“…Optical modulators are key ingredients in optoelectronics applications ranging from energy harvesting, sensor and imaging devices. In this framework, nonlinear…”
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