Optical metasurface based on the resonant scattering in electronic transitions

Optical based resonant

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The approach is based on engineering a metasurface consisting of resonant nanoparticles in order to achieve a desired effective metasurface conductivity. Optical Metasurface Based on the Resonant Scattering in Electronic Transitions. The concept of optical phase discontinuities is applied to the design and demonstration of aberration-free planar lenses and axicons, comprising a phased array of ultrathin subwavelength-spaced optical antennas. Electronic excitation of a molecule results in structural changes which are reflected in the enhancement of Raman scattering optical metasurface based on the resonant scattering in electronic transitions of certain vibrational modes. Ming Zhou, Jingfeng Liu, Mikhail A.

(a) Scattering cross section versus frequency for the nanoantenna in Fig. (F) Enhanced focusing with optical metasurface based on the resonant scattering in electronic transitions the Si-based flat lens (inset: SEM image of the Si-based flat transitions lens). First, by breaking the in-plane symmetry of nanodisks, a symmetry-protected quasi-BIC is optical metasurface based on the resonant scattering in electronic transitions excited with the emergence of a sharp Fano resonance. Existing metasurfaces comprise arrays of optical resonators such as plasmonic antennas or high-index nanorods. (E) Refractive index sensing using Si-based Fano-resonance metasurface. Graphene’s weak optical response, especially in the infrared part of the spectrum, remains the key challenge to developing practical graphene-based optical devices such as modulators, infrared detectors, and tunable reflect-arrays. (G) Si-metasurface-based broadband holography; subpanels show SEM image and hologram in optical metasurface based on the resonant scattering in electronic transitions optical metasurface based on the resonant scattering in electronic transitions different illumination wavelengths.

Metasurface optical antireflection coating Applied Physics Letters 105,; optical metasurface based on the resonant scattering in electronic transitions 10. Silicon-based spatial modulators show sufficient merits regarding device footprint, power optical metasurface based on the resonant scattering in electronic transitions consumption. Magneto-optical metamaterials with extraordinarily strong magneto-optical effect X Luo, M Zhou, J Liu, T Qiu, Z Yu Applied Physics optical metasurface based on the resonant scattering in electronic transitions Letters, 131104, In resonance Raman spectroscopy, the optical metasurface based on the resonant scattering in electronic transitions wavelength optical metasurface based on the resonant scattering in electronic transitions of the incoming photons coincides with an electronic transition of the molecule or material. Spatial light modulator (SLM) is one of the key components of optical communication,,.

30 nm Ag, and 15 nm Au layers (optimized based on numerical Adv. A combination of Au nanohole arrays with a phase‐change material (PCM) is optical metasurface based on the resonant scattering in electronic transitions presented, which exhibits large optical contrast upon transitions from its amorphous to crystalline stable phases. The quantum-confined Stark effect actively optical metasurface based on the resonant scattering in electronic transitions modulates this volumetric hybrid resonance, and we observe a relative. we describe a new approach to realize metasurfaces based on the resonant scattering in electronic transitions. In this work, a dielectric metasurface optical metasurface based on the resonant scattering in electronic transitions consisting of hollow dielectric nanocuboids, with ultrahigh quality factor, is theoretically transitions proposed and demonstrated.

Optical Metasurface Based on the Resonant Scattering in Electronic Transitions. , low illumination intensity, and vary the bias condition, and (b) is similar to (a), but for the nonlinear optical regime, i. ACS Photonics, 4 (5),. The metasurface is designed to operate in two complementary modes, namely electromagnetically induced transparency and. Here, we proposed an all-dielectric metasurface consisting of two silicon split-ring resonators (SRRs) that can support strong TD resonance. For example, the resonant scattering from electronic resonances in TLSs can impart a phase on the incident photons.

In this article, we describe a new approach to realize metasurfaces based on the resonant scattering in electronic optical metasurface based on the resonant scattering in electronic transitions transitions, such as in two-level systems (TLSs). Thus optical metasurface based on the resonant scattering in electronic transitions far, the choice of antenna has been limited to shaped. Theory of resonance Raman scattering. optical metasurface based on the resonant scattering in electronic transitions The metasurface reduces the dependence on the propagation effect by introducing mutations in optical properties such as phase, amplitude, and polarization 3–5. Metasurfaces are an emerging platform for manipulating optical metasurface based on the resonant scattering in electronic transitions light optical metasurface based on the resonant scattering in electronic transitions on a two-dimensional plane.

spatially varying optical resonators, one can steer, focus, or reshape a light beam, all in a surface thinner than the wavelength2,5–15. , amplitude, phase and polarization). Optical metasurfaces (OMs) have emerged as promising candidates to solve the bottleneck of bulky optical elements.

As a derivative ofthree-dimensional(3D)metamaterials,metasurfaces have been emerging to tackle some of the critical challenges rooted in traditional metamaterials, such as high resistive loss from resonant plasmonic components and fabri- cation requirements for making 3D nanostructures. Existing metasurfaces comprise arrays of optical resonators such as plasmonic optical metasurface based on the resonant scattering in electronic transitions antennas or high-index nanorods. Compared with metallic-based components, wh. In metamaterial systems, toroidal dipole (TD) plays an important role in determining their optical properties. a) The optical disk surface consists of a dielectric surface-grating used as a metasurface sensor. In this work, we study the imaging function of a Fano-resonant silicon metasurface governed by quasi--bound states in the continuum (quasi-BICs). This mutation can be realized by a two-dimensional array of transitions subwavelength scattering, which is an electromagnetic modulation primitive transitions structure at the light wavelength called an optical antenna. Optical communication has been widely studied in recent decades because of its advantages such as high channel capacity, miniaturization and low cost,.

OSA | Toroidal resonance based optical modulator employing hybrid graphene-dielectric metasurface In this paper, we demonstrate the combination of optical metasurface based on the resonant scattering in electronic transitions a dielectric metasurface with a graphene layer to realize a high performance toroidal resonance based optical modulator. The variation of the hole size of the cuboid allows for the tuning of the resonant anapole mode in the nanoparticles. The great potential for fabricating compact reconfigurable plasmonic and all‐dielectric metasurfaces is shown. The TD resonance is excited by TD moments both inside the unit cell and between the neighboring unit cells, and can be easily manipulated by. These metasurfaces can. fairly high illumination intensity, varying the illumination intensity; the dc bias is fixed V dc = 2 V.

A Fano-resonant plastic-templated metasurface and a portable microfluidic sensor. ACS Journals ; ACS eBooks ; C&EN Global Enterprise; A; Accounts of Chemical Research; ACS Applied Materials & Interfaces. OMs offer a fundamentally new method of light manipulation based on scattering. Optical phase can also be acquired through the scattering process in atomic systems. 7b00219 Victor W. A TLS can capture the energy of a single photon and store it in the excited quantum state for a brief moment, during which a phase is accumulated. Specular optical activity of achiral metasurfaces.

Fano resonance has attracted great attention in nanophotonics attributed to its unique properties. Optical optical metasurface based on the resonant scattering in electronic transitions Constants and Inelastic Electron-Scattering Data for 17 Elemental Metals Journal of Physical and Chemical Reference D (); 10. Metasurfaces, optical metasurface based on the resonant scattering in electronic transitions a optical metasurface based on the resonant scattering in electronic transitions new class of artificial media attracting great research interest, are composed optical metasurface based on the resonant scattering in electronic transitions of a two-dimensional ensemble of designer optical antennas arranged with subwavelength separation that introduce spatially-varying optical properties (e.

By applying electronic pulse on the specific meta‐atoms, the phase state of the treated meta‐atoms can be changed, resulting in the selective modification on the metasurface‐based device. Optical metasurface as a booming research field has put forward profound progress in optics and photonics. Graphene has emerged as a promising optoelectronic material because its optical properties can be rapidly and dramatically changed using electric gating.

Metasurface hologram with dynamic and static patterns. Other possible methods can be the conductive‐AFM 38, laser‐direct writing, and so on. The presence of the PCM allows to shift the position of the resonance produced by the nanohole array up to 385 nm. The lenses and axicons consist of V-shaped nanoantennas that introduce a radial distribution of phase discontinuities, thereby generating respectively spherical wavefronts and. Optical phase can also be acquired through the electronic scattering processin atomic systems.

Comparing to a metasurface based on solid blocks of similar size, the quadrumer-based metasurface feature significant absorption enchantment and strong change of a reflection spectrum. Optical phase can also be acquired through scattering processes in atomic systems. Each unit cell contains three transitions different pixels: P 1 (Mg/Pd), P 2 (Au), and P 3 (Mg/Pd/Cr). Kats, and Zongfu Yu "Optical Metasurface Based on the Resonant Scattering in Electronic Transitions" optical metasurface based on the resonant scattering in electronic transitions ACS Photonics 4 (5),. (D) Si-metasurface-based optical metasurface based on the resonant scattering in electronic transitions perfect reflector. optical metasurface based on the resonant scattering in electronic transitions We show that if the metasurface is coupled to a dielectric resonator whose resonance is aligned with the metasurface electronic resonance, EEs with a diverging quality factor can be induced, at least in. Obtained results can be exploited in development of novel sensors, optical elements and energy harvesting devices. 3; we assume a linear optical regime, i.

New Discoveries and Opportunities from Two-Dimensional Materials. The optical properties of the metasurface are explained using resonance mode analysis and numerical simulations, the tip‐induced crystallization is described by optical metasurface based on the resonant scattering in electronic transitions multiphysics simulations. Koltonow, and Jiaxing Huang.

Here, we report an all-dielectric active metasurface based on electro-optically tunable III–V multiple-quantum-wells patterned into subwavelength elements that each supports a hybrid Mie-guided mode resonance. In this paper, an optical nonlinear metasurface based on monolayer graphene integrated silicon resonant gratings optical metasurface based on the resonant scattering in electronic transitions is proposed. The holographicpatternsachievedbyP 1 andP 3 arehollowdashesattwo Fig. Magneto-optical metamaterials with extraordinarily strong magneto-optical effect X Luo, M Zhou, J Liu, T Qiu, Z Yu Applied Physics Letters, 131104,. holographic images that are reconstructed from the same metasurface based on the mechanism as shown in Fig. Gradient metasurfaces are composed of nanoscale optical resonators -also called antennas -capable of manipulating light by imparting local phase changes on incident electromagnetic waves. The highly engineerable scattering properties of resonant optical antennas underpin the operation of metasurface-based flat optics.

In the subsequent sections, we verify the design rule for a time-modulated metasurface with realistic structure implemented by graphene-wrapped microwires as building blocks, analyzed without any approximations using a robust semi-analytical framework based on multipole scattering theory developed in. ,Figure 1. It is numerically confirmed that this type of metasurface can optical metasurface based on the resonant scattering in electronic transitions excite high-Q guided mode resonances in the communication band with normal incidence.

Optical metasurface based on the resonant scattering in electronic transitions

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