Multipolar response of nonspherical silicon nanoparticles in the visible and near-infrared spectral ranges

Terekhov, Pavel D.; Baryshnikova, Kseniia V.; Artemyev, Yuriy A.; Karabchevsky, Alina; Shalin, Alexander S.; Evlyukhin, Andrey B.

doi:10.1103/physrevb.96.035443

Cited by 155 publications

(104 citation statements)

References 32 publications

(44 reference statements)

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“…For single silicon nanosphere, ED and MD resonances do not overlap, and only non-resonant Kerker effect is possible: the suppression of backward scattering is observed at the wavelength either larger than the wavelength of the magnetic dipole (MD) resonance [13] or smaller than the wavelength of the electric dipole (ED) resonance. [26,27,[30][31][32] There is a number of studies, starting with the pioneering work, [33] that suggest designing nanoparticle geometry and obtaining spectral overlap of electric and magnetic multipole resonances using nanoparticles with more complex shape, such as disks, [30,[34][35][36][37] , cubes, [38,39] cones, or pyramids. [39] The elements with resonant ED and MD overlap construct so-called Huygens' metasurfaces and enable ultra-thin, high-efficiency optics.…”

Section: Doi: 101002/lpor201700132mentioning

confidence: 99%

“…[26,27,[30][31][32] There is a number of studies, starting with the pioneering work, [33] that suggest designing nanoparticle geometry and obtaining spectral overlap of electric and magnetic multipole resonances using nanoparticles with more complex shape, such as disks, [30,[34][35][36][37] , cubes, [38,39] cones, or pyramids. [39] The elements with resonant ED and MD overlap construct so-called Huygens' metasurfaces and enable ultra-thin, high-efficiency optics. [40][41][42][43][44][45][46] For the periodic arrays of resonant nanoparticles, lattice resonances (LR), appearing due to electromagnetic coupling between array nanoparticles, are realized at the wavelengths determined by the array periods in the vicinity of the Rayleigh anomalies (RA) from the side of longer wavelengths.…”

Section: Doi: 101002/lpor201700132mentioning

confidence: 99%

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Resonant Lattice Kerker Effect in Metasurfaces With Electric and Magnetic Optical Responses

Babicheva

Evlyukhin

2017

Laser & Photonics Reviews

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Abstract. To achieve efficient light control at subwavelength dimensions, plasmonic and all-dielectric nanoparticles have been utilized both as a single element as well as in the arrays. Here we study 2D periodic nanoparticle arrays (metasurfaces) that support lattice resonances near the Rayleigh anomaly due to the electric dipole (ED) and magnetic dipole (MD) resonant coupling between the nanoparticles. Silicon and core-shell particles are considered. We demonstrate for the first time that, choosing of lattice periods independently in each mutual-perpendicular direction, it is possible to achieve a full overlap between the ED-lattice resonance and MD resonances of nanoparticles in certain spectral range and to realize the resonant lattice Kerker effect (resonant suppression of the scattering or reflection). At the effect conditions, the strong suppression of light reflectance in the structure is appeared due to destructive interference between electromagnetic waves scattered by ED and MD moments of every nanoparticle in the backward direction with respect to the incident light wave. Influence of the array size on the revealed reflectance and transmittance behavior is discussed. The resonant lattice Kerker effect based on the overlap of both ED and MD lattice resonances is also demonstrated.Both plasmonic and all-dielectric nanostructures have been proposed for efficient manipulation of light at the nanoscale [1][2][3], with particular interest to be applied in ultra-thin functional elements, so-called metasurfaces [4][5][6], and in particular to control reflection from the material interfaces [7,8] and to improve photovoltaic properties [9][10][11]. With the typical linear dimensions of 100-200 nm, high-refractive-index (silicon) nanoparticles induce enhanced electric and magnetic moments and support Mie resonances in the visible spectral range as it has been first shown theoretically in [12] and then experimentally proved in [13] (see also [14,15]). Utilizing high-refractive-index nanoparticles gives an opportunity to obtain magnetic optical response without using metal inclusions such as split-ring resonators or core-shell particles, and avoid high non-radiative optical losses associated with metals [16]. Such all-dielectric nanostructures, for instance, nanoparticle arrays (metasurfaces), demonstrate a variety of unique effects, and in particular suppression of reflection in a pre-defined direction [17,18]. As has been shown in the earlier work [19], if electric and magnetic polarizabilities of a nanoparticle are equal each other in magnitude and phase (the first Kerker condition), light scattering from this nanoparticle is suppressed in the backward direction, and recently, it is referred as a Kerker effect. For silicon spherical nanoparticle array, ED and MD do not overlap, and only non-resonant Kerker effect is possible: antireflective properties are observed at wavelength either larger than the wavelength of the magnetic dipole (MD) resonance [12] or smaller than the wavelength of the electric dipole (ED...

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Section: Doi: 101002/lpor201700132mentioning

confidence: 99%

Section: Doi: 101002/lpor201700132mentioning

confidence: 99%

Resonant Lattice Kerker Effect in Metasurfaces With Electric and Magnetic Optical Responses

Babicheva

Evlyukhin

2017

Laser & Photonics Reviews

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212

144

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“…[22] To date,all the Reviews and textbooks addressing Si for use in metamaterials discuss the fundamental optics behind its visible-light scattering. [15,27,28] Herein we present silicon-based metamaterials from ac hemistsp erspective,d isscussing the synthesis of Si particles in view of their potential application to metamaterials.W ew ill address the most promising bottom-up techniques,aswell as individual experimental parameters,particle nucleation and growth, crystallization, densification, and surface functionalization. We will clarify for physicists what can realistically be produced and give direction to the chemists who synthesize dielectric meta-atoms.T he concept of all-dielectric metamaterials built from Si meta-atoms is arelatively new one, [27] necessitating an overview of the stateof-the art to lead the scientific community towards atechnological breakthrough in all-dielectric metamaterials.…”

Section: Introductionmentioning

confidence: 99%

Silicon‐Based Dielectric Metamaterials: Focus on the Current Synthetic Challenges

et al. 2018

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Metamaterials have optical properties that are unprecedented in nature. They have opened new horizons in light manipulation, with the ability to bend, focus, completely reflect, transmit, or absorb an incident wave front. Optically active metamaterials in particular could be used for applications ranging from 3D information storage to photovoltaic cells. Silicon (Si) particles are some of the most promising building blocks for optically active metamaterials, with high scattering efficiency coupled to low light absorption for visible frequencies. However, to date ideal Si building blocks cannot be produced by bulk synthesis techniques. The key is to find a synthetic route to produce Si building blocks between 75-200 nm in diameter of uniform size and shape, that are crystalline, have few impurities, and little to no porosity. This Review provides a theoretical background on Si optical properties for metamaterials, an overview of current synthetic methods and gives direction towards the most promising routes to ideal Si particles for metamaterials.

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“…Four terms were taken into consideration, namely, electric dipole (ED), magnetic dipole (MD), electric quadrupole (EQ) and magnetic quadrupole (MQ) modes. 35,36 The calculated multipoles are shown in Fig.5. A strong ED mode at 200 MHz frequency and the MD mode at 270 MHz were observed, whereas both electric and magnetic quadrupole modes do not resonate below 300 MHz and are negligibly small.…”

Section: A Operational Modes Of Wpt Systemmentioning

confidence: 99%

Smart Table Based on a Metasurface for Wireless Power Transfer

et al. 2019

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Metasurfaces have been investigated and its numerous exotic functionalities and the potentials to arbitrarily control of the electromagnetic fields have been extensively explored. However, only limited types of metasurface have finally entered into real products. Here, we introduce a concept of a metasurface-based smart table for wirelessly charging portable devices and report its first prototype. The proposed metasurface can efficiently transform evanescent fields into propagating waves which significantly improves the near field coupling to charge a receiving device arbitrarily placed on its surface wirelessly through magnetic resonance coupling. In this way, power transfer efficiency of 80% is experimentally obtained when the receiver is placed at any distances from the transmitter. The proposed concept enables a variety of important applications in the fields of consumer electronics, electric automobiles, implanted medical devices, etc. The further developed metasurface-based smart table may serve as an ultimate 2-dimensional platform and support charging multiple receivers.

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Multipolar response of nonspherical silicon nanoparticles in the visible and near-infrared spectral ranges

Cited by 155 publications

References 32 publications

Resonant Lattice Kerker Effect in Metasurfaces With Electric and Magnetic Optical Responses

Resonant Lattice Kerker Effect in Metasurfaces With Electric and Magnetic Optical Responses

Silicon‐Based Dielectric Metamaterials: Focus on the Current Synthetic Challenges

Smart Table Based on a Metasurface for Wireless Power Transfer

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