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Nanomaterials
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Advances in Plasmonics and Nanophotonics
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Advances in Plasmonics and Nanophotonics

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanophotonics Materials and Devices".

Deadline for manuscript submissions: closed (30 September 2021) | Viewed by 16546

Special Issue Editors

Dr. Burak Gerislioglu

E-Mail Website
Guest Editor
Department of Physics and Astronomy, Rice University, 6100 Main St., Houston, TX 77005, USA
Interests: nanophotonics; plasmonics; metamaterials/metasurfaces; phase-change materials; nonlinear optics; optical biosensors; nanomaterials; photocatalysis
Dr. Arash Ahmadivand

E-Mail Website
Guest Editor
Department of Electrical and Computer Engineering, Rice University, Houston, TX 77005, USA
Interests: plasmonics; nanophotonics; metamaterials; metadevices; nonlinear optics; metasensors; plexcitonics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Recent developments in subwavelength localization of light have paved the way to novel research directions in the field of optics, plasmonics, and nanophotonics. Over the past decade, ongoing efforts have shown that one can control the propagation and localization of electromagnetic waves quite below the incident wavelength toward enhancing light’s electric- and magnetic-field features. This principle enables complex wavefront manipulation (including amplitude, phase, and polarization modulation) while minimizing possible diffraction effects. The underlying physics of resonant nanostructures, which can easily trap incident light and create high-density concentrations of electromagnetic energy, are the main thrusts that drive advances in plasmonics and nanophotonics and bring all-optical communication and data processing one step closer. Lately, researchers have shed light on the remarkable progress in all-dielectric resonant nanophotonics by setting high expectations for novel discoveries and demonstrating many promising applications in imaging, sensing, signal processing, and quantum technologies, which basically indicates that reaching novel horizons for further success of photonics and optics is not solely based on plasmonics.

In this Special Issue of Nanomaterials, we aim to seek and emphasize state-of-the-art research and development efforts in plasmonics and nanophotonics, and we warmly welcome original article and review submissions.

Dr. Burak Gerislioglu
Dr. Arash Ahmadivand
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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. Nanomaterials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • plasmonics
  • nanophotonics
  • metamaterials
  • metasurfaces
  • metadevices
  • nonlinear optics
  • optical biosensors
  • phase-change materials
  • biophotonics
  • bound states in the continuum
  • toroidal resonances

Published Papers (6 papers)

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Editorial

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2 pages, 170 KiB  
Editorial
Advances in Plasmonics and Nanophotonics
by Burak Gerislioglu and Arash Ahmadivand
Nanomaterials 2021, 11(11), 3159; https://doi.org/10.3390/nano11113159 - 22 Nov 2021
Cited by 3 | Viewed by 1485
Abstract
Recent developments in subwavelength localization of light have paved the way of novel research directions in the field of optics, plasmonics, and nanophotonics [...] Full article
(This article belongs to the Special Issue Advances in Plasmonics and Nanophotonics)

Research

Jump to: Editorial

28 pages, 20343 KiB  
Article
Electrodynamics of Topologically Ordered Quantum Phases in Dirac Materials
by Musa A. M. Hussien and Aniekan Magnus Ukpong
Nanomaterials 2021, 11(11), 2914; https://doi.org/10.3390/nano11112914 - 30 Oct 2021
Cited by 3 | Viewed by 2578
Abstract
First-principles calculations of the electronic ground state in tantalum arsenide are combined with tight-binding calculations of the field dependence of its transport model equivalent on the graphene monolayer to study the emergence of topologically ordered quantum states, and to obtain topological phase diagrams. [...] Read more.
First-principles calculations of the electronic ground state in tantalum arsenide are combined with tight-binding calculations of the field dependence of its transport model equivalent on the graphene monolayer to study the emergence of topologically ordered quantum states, and to obtain topological phase diagrams. Our calculations include the degrees of freedom for nuclear, electronic, and photonic interactions explicitly within the quasistatic approximation to the time-propagation-dependent density functional theory. This field-theoretic approach allows us to determine the non-linear response of the ground state density matrix to the applied electromagnetic field at distinct quantum phase transition points. Our results suggest the existence of a facile electronic switch between trivial and topologically ordered quantum states that may be realizable through the application of a perpendicular electric or magnetic field alongside a staggered-sublattice potential in the underlying lattice. Signatures of the near field electrodynamics in nanoclusters show the formation of a quantum fluid phase at the topological quantum phase transition points. The emergent carrier density wave transport phase is discussed to show that transmission through the collective excitation mode in multilayer heterostructures is a unique possibility in plasmonic, optoelectronic, and photonic applications when atomic clusters of Dirac materials are integrated within nanostructures, as patterned or continuous surfaces. Full article
(This article belongs to the Special Issue Advances in Plasmonics and Nanophotonics)
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14 pages, 7930 KiB  
Article
Ultra-Broadband Polarization Conversion Metasurface with High Transmission for Efficient Multi-Functional Wavefront Manipulation in the Terahertz Range
by Xiaoqiang Jiang, Wenhui Fan, Chong Qin and Xu Chen
Nanomaterials 2021, 11(11), 2895; https://doi.org/10.3390/nano11112895 - 29 Oct 2021
Cited by 21 | Viewed by 2766
Abstract
Recently, terahertz (THz) wireless communication has been widely investigated as the future prospect of wireless network architecture. However, most of the natural existing materials are inapplicable for THz devices, which hinder their further development. To promote the integration and channel capacity of the [...] Read more.
Recently, terahertz (THz) wireless communication has been widely investigated as the future prospect of wireless network architecture. However, most of the natural existing materials are inapplicable for THz devices, which hinder their further development. To promote the integration and channel capacity of the THz wireless communication systems, an ultrabroadband polarization conversion metasurface for efficient multi-functional wavefront manipulation is proposed. The designed metasurface is composed of an arrow-type structure sandwiched by a pair of orthogonal gratings, which can induce the Fabry-Pérot-like cavity for improving the transmission. Simulated results indicate that the transmission coefficient of the cross-polarization metasurface is higher than 90% from 0.73 THz to 2.24 THz, and the corresponding polarization conversion ratio is greater than 99.5%. Moreover, the phase coverage of 0–2π at operation frequency can be easily obtained by altering the geometric parameter of the metasurface. To demonstrate the concept of wavefront manipulation, anomalous refraction, focusing metalens, and vortex beam generation are investigated in detail. All of these applications exhibit a remarkable performance of the proposed metasurface that has great potential in prompting the efficient, broadband and compact systems for THz wireless communication. Full article
(This article belongs to the Special Issue Advances in Plasmonics and Nanophotonics)
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7 pages, 2172 KiB  
Article
High Efficiency Focusing and Vortex Generator Based on Polarization-Insensitive Gallium Nitride Metasurface
by Zhitong Sun, Bijun Xu, Bairui Wu, Xiaogang Wang and Hao Ying
Nanomaterials 2021, 11(10), 2638; https://doi.org/10.3390/nano11102638 - 07 Oct 2021
Cited by 10 | Viewed by 4527
Abstract
In this paper, two polarization-insensitive Gallium Nitride (GaN) metasurfaces based on a dynamic phase for adjusting the wavefront are proposed. Specifically, we obtained the target phase to satisfy some design conditions by changing the structural parameters at the nanoscales. Under the irradiation of [...] Read more.
In this paper, two polarization-insensitive Gallium Nitride (GaN) metasurfaces based on a dynamic phase for adjusting the wavefront are proposed. Specifically, we obtained the target phase to satisfy some design conditions by changing the structural parameters at the nanoscales. Under the irradiation of linearly polarized (LP) light and circularly polarized (CP) light, respectively, one of the metasurfaces can generate a focused beam with an efficiency of 84.7%, and the other can generate a vortex beam with a maximum efficiency of 76.6%. Our designed metasurfaces will have important applications in optical communication, holographic projection, and particle capture. Full article
(This article belongs to the Special Issue Advances in Plasmonics and Nanophotonics)
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10 pages, 2065 KiB  
Article
Group Velocity Modulation and Light Field Focusing of the Edge States in Chirped Valley Graphene Plasmonic Metamaterials
by Liqiang Zhuo, Huiru He, Ruimin Huang, Shaojian Su, Zhili Lin, Weibin Qiu, Beiju Huang and Qiang Kan
Nanomaterials 2021, 11(7), 1808; https://doi.org/10.3390/nano11071808 - 12 Jul 2021
Cited by 3 | Viewed by 2441
Abstract
The valley degree of freedom, like the spin degree of freedom in spintronics, is regarded as a new information carrier, promoting the emerging valley photonics. Although there exist topologically protected valley edge states which are immune to optical backscattering caused by defects and [...] Read more.
The valley degree of freedom, like the spin degree of freedom in spintronics, is regarded as a new information carrier, promoting the emerging valley photonics. Although there exist topologically protected valley edge states which are immune to optical backscattering caused by defects and sharp edges at the inverse valley Hall phase interfaces composed of ordinary optical dielectric materials, the dispersion and the frequency range of the edge states cannot be tuned once the geometrical parameters of the materials are determined. In this paper, we propose a chirped valley graphene plasmonic metamaterial waveguide composed of the valley graphene plasmonic metamaterials (VGPMs) with regularly varying chemical potentials while keeping the geometrical parameters constant. Due to the excellent tunability of graphene, the proposed waveguide supports group velocity modulation and zero group velocity of the edge states, where the light field of different frequencies focuses at different specific locations. The proposed structures may find significant applications in the fields of slow light, micro–nano-optics, topological plasmonics, and on-chip light manipulation. Full article
(This article belongs to the Special Issue Advances in Plasmonics and Nanophotonics)
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11 pages, 4886 KiB  
Article
Characterization of Monochromatic Aberrated Metalenses in Terms of Intensity-Based Moments
by Sorina Iftimie, Ana-Maria Răduţă and Daniela Dragoman
Nanomaterials 2021, 11(7), 1805; https://doi.org/10.3390/nano11071805 - 12 Jul 2021
Cited by 2 | Viewed by 1666
Abstract
Consistent with wave-optics simulations of metasurfaces, aberrations of metalenses should also be described in terms of wave optics and not ray tracing. In this respect, we have shown, through extensive numerical simulations, that intensity-based moments and the associated parameters defined in terms of [...] Read more.
Consistent with wave-optics simulations of metasurfaces, aberrations of metalenses should also be described in terms of wave optics and not ray tracing. In this respect, we have shown, through extensive numerical simulations, that intensity-based moments and the associated parameters defined in terms of them (average position, spatial extent, skewness and kurtosis) adequately capture changes in beam shapes induced by aberrations of a metalens with a hyperbolic phase profile. We have studied axial illumination, in which phase-discretization induced aberrations exist, as well as non-axial illumination, when coma could also appear. Our results allow the identification of the parameters most prone to induce changes in the beam shape for metalenses that impart on an incident electromagnetic field a step-like approximation of an ideal phase profile. Full article
(This article belongs to the Special Issue Advances in Plasmonics and Nanophotonics)
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