Optical Nanoantennas

A special issue of Photonics (ISSN 2304-6732).

Deadline for manuscript submissions: closed (31 October 2020) | Viewed by 5300

Special Issue Editor


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Guest Editor
Photonics Initiative, CUNY Advanced Science Research Center, 85 St Nicholas Terrace, New York, NY 10031, USA
Interests: extreme scattering engineering; nanoantennas; advanced optoelectronic devices; optics of 2D TMDC; valleytronics; low-loss high-index dielectric nanostructures; novel coherent effects in photonics
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Special Issue Information

Dear Colleagues,

The Special Issue invites manuscripts on the current state-of-the-art in optical nanoantennas.

The widespread use of light in modern technologies is difficult because of mismatch in the wavelength of freely propagating light and the typical size of its sources, e.g., molecules, quantum dots. This situation is similar to that we have in radio physics, where the antennas are used as an interface between radio waves in air and guiding modes waveguides. Owing to recent achievements in nanotechnology, the similar concept of optical nanoantennas has been recently invented in order to make light-matter interaction effects stronger. Nowadays, optical nanoantennas are a subject of considerable theoretical and experimental interest. Because of their advantages, nanoantennas are broadly used in many applications, including biosensing, near-field microscopy, light harvesting, quantum and nonlinear optics, and medicine.

We will consider theoretical, numerical, and experimental papers that cover, but are not limited to, these topics:

  • Advances in plasmonic nanoantennas
  • Novel all-dielectric and hybrid nanoantennas
  • Nanoantenna assisted PL emission enhancement and Purcell effect
  • Strong coupling of excitons with a single nanoantenna
  • Nanoantenna enhanced optical nonlinearity

Prof. Dr. Alex Krasnok
Guest Editor

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Photonics is an international peer-reviewed open access monthly journal published by MDPI.

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Keywords

  • Photonics
  • Plasmonic nanoantenna
  • Dielectric nanoantenna
  • Purcell effect
  • Strong coupling
  • Excitonic resonances
  • High harmonic generation
  • 2D transition metal dichalcogenides

Published Papers (1 paper)

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Research

11 pages, 1159 KiB  
Article
Collective Lattice Resonances in All-Dielectric Nanostructures under Oblique Incidence
by Anton D. Utyushev, Vadim I. Zakomirnyi, Alexander E. Ershov, Valeriy S. Gerasimov, Sergey V. Karpov and Ilia L. Rasskazov
Photonics 2020, 7(2), 24; https://doi.org/10.3390/photonics7020024 - 28 Mar 2020
Cited by 20 | Viewed by 4725
Abstract
Collective lattice resonances (CLRs) emerging under oblique incidence in 2D finite-size arrays of Si nanospheres have been studied with the coupled dipole model. We show that hybridization between the Mie resonances localized on a single nanoparticle and angle-dependent grating Wood–Rayleigh anomalies allows for [...] Read more.
Collective lattice resonances (CLRs) emerging under oblique incidence in 2D finite-size arrays of Si nanospheres have been studied with the coupled dipole model. We show that hybridization between the Mie resonances localized on a single nanoparticle and angle-dependent grating Wood–Rayleigh anomalies allows for the efficient tuning of CLRs across the visible spectrum. Complex nature of CLRs in arrays of dielectric particles with both electric dipole (ED) and magnetic dipole (MD) resonances paves a way for a selective and flexible tuning of either ED or MD CLR by an appropriate variation of the angle of incidence. The importance of the finite-size effects, which are especially pronounced for CLRs emerging for high diffraction orders under an oblique incidence has been also discussed. Full article
(This article belongs to the Special Issue Optical Nanoantennas)
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