Search Results - "Brener, Igal"
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Electrically tunable all-dielectric optical metasurfaces based on liquid crystals
Published in Applied physics letters (13-02-2017)“…We demonstrate electrical tuning of the spectral response of a Mie-resonant dielectric metasurface consisting of silicon nanodisks embedded into liquid…”
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2
All-optical switching of an epsilon-near-zero plasmon resonance in indium tin oxide
Published in Nature communications (15-02-2021)“…Nonlinear optical devices and their implementation into modern nanophotonic architectures are constrained by their usually moderate nonlinear response…”
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Spectrally selective chiral silicon metasurfaces based on infrared Fano resonances
Published in Nature communications (27-05-2014)“…Metamaterials and metasurfaces represent a remarkably versatile platform for light manipulation, biological and chemical sensing, and nonlinear optics. Many of…”
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Realizing symmetry-guaranteed pairs of bound states in the continuum in metasurfaces
Published in Nature communications (07-12-2022)“…Bound states in the continuum (BICs) have received significant attention for their ability to enhance light-matter interactions across a wide range of systems,…”
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Resonantly Enhanced Second-Harmonic Generation Using III–V Semiconductor All-Dielectric Metasurfaces
Published in Nano letters (14-09-2016)“…Nonlinear optical phenomena in nanostructured materials have been challenging our perceptions of nonlinear optical processes that have been explored since the…”
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6
Femtosecond optical polarization switching using a cadmium oxide-based perfect absorber
Published in Nature photonics (01-06-2017)“…Ultrafast control of the polarization state of light may enable a plethora of applications in optics, chemistry and biology. However, conventional polarizing…”
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An all-dielectric metasurface as a broadband optical frequency mixer
Published in Nature communications (28-06-2018)“…A frequency mixer is a nonlinear device that combines electromagnetic waves to create waves at new frequencies. Mixers are ubiquitous components in modern…”
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8
Tailoring Directional Scattering through Magnetic and Electric Resonances in Subwavelength Silicon Nanodisks
Published in ACS nano (24-09-2013)“…Interference of optically induced electric and magnetic modes in high-index all-dielectric nanoparticles offers unique opportunities for tailoring directional…”
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Ultrafast all-optical tuning of direct-gap semiconductor metasurfaces
Published in Nature communications (12-05-2017)“…Optical metasurfaces are regular quasi-planar nanopatterns that can apply diverse spatial and spectral transformations to light waves. However, metasurfaces…”
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10
High-harmonic generation from an epsilon-near-zero material
Published in Nature physics (01-10-2019)“…High-harmonic generation (HHG) is a signature optical phenomenon of strongly driven, nonlinear optical systems. Specifically, the understanding of the HHG…”
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Active Tuning of All-Dielectric Metasurfaces
Published in ACS nano (28-04-2015)“…All-dielectric metasurfaces provide a powerful platform for highly efficient flat optical devices, owing to their strong electric and magnetic dipolar response…”
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12
High‐Efficiency Dielectric Huygens’ Surfaces
Published in Advanced optical materials (01-06-2015)“…Optical metasurfaces have developed as a breakthrough concept for advanced wave‐front engineering enabled by subwavelength resonant nanostructures. However,…”
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Enhanced Second-Harmonic Generation Using Broken Symmetry III–V Semiconductor Fano Metasurfaces
Published in ACS photonics (16-05-2018)“…All-dielectric metasurfaces, two-dimensional arrays of subwavelength low loss dielectric inclusions, can be used not only to control the amplitude and phase of…”
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14
Active tuning of high-Q dielectric metasurfaces
Published in Applied physics letters (31-07-2017)“…We demonstrate the active tuning of all-dielectric metasurfaces exhibiting high-quality factor (high-Q) resonances. The active control is provided by embedding…”
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15
Enhanced Third-Harmonic Generation in Silicon Nanoparticles Driven by Magnetic Response
Published in Nano letters (12-11-2014)“…We observe enhanced third-harmonic generation from silicon nanodisks exhibiting both electric and magnetic dipolar resonances. Experimental characterization of…”
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16
Light-Emitting Metasurfaces: Simultaneous Control of Spontaneous Emission and Far-Field Radiation
Published in Nano letters (14-11-2018)“…Light-emitting sources and devices permeate every aspect of our lives and are used in lighting, communications, transportation, computing, and medicine…”
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High Quality Factor Toroidal Resonances in Dielectric Metasurfaces
Published in ACS photonics (15-07-2020)“…Toroidal moment is an electromagnetic excitation that lies outside the familiar picture of electric and magnetic multipoles. It has recently been a topic of…”
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Observation of Fano Resonances in All-Dielectric Nanoparticle Oligomers
Published in Small (Weinheim an der Bergstrasse, Germany) (28-05-2014)“…It is well‐known that oligomers made of metallic nanoparticles are able to support sharp Fano resonances originating from the interference of two plasmonic…”
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19
A spatial light modulator for terahertz beams
Published in Applied physics letters (25-05-2009)“…We design and implement a multipixel spatial modulator for terahertz beams using active terahertz metamaterials. Our first-generation device consists of a 4 ×…”
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Broken Symmetry Dielectric Resonators for High Quality Factor Fano Metasurfaces
Published in ACS photonics (21-12-2016)“…We present a new approach to dielectric metasurface design that relies on a single resonator per unit cell and produces robust, high quality factor Fano…”
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