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Applied Sciences
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Advances in Photonics and Optics: Materials and Structures for Emerging...
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Advances in Photonics and Optics: Materials and Structures for Emerging Applications

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Optics and Lasers".

Deadline for manuscript submissions: 30 July 2024 | Viewed by 2093

Special Issue Editors

Dr. Giovanni Magno

E-Mail Website
Guest Editor
Department of Electrical and Information Engineering, Politecnico di Bari, Bari, Italy
Interests: design and characterization of photonic devices; photonic crystals; integrated plasmonic waveguides and nanotweezers; graphene based nanostructures; nanoantennas; metasurfaces
Dr. Marco Grande

E-Mail Website
Guest Editor
Department of Electrical and Information Engineering, Politecnico di Bari, Bari, Italy
Interests: design; fabrication and characterization of integrated photonic; graphene-based and plasmonic devices; metasurfaces; optical sensors; microwaves devices; antennas
Special Issues, Collections and Topics in MDPI journals
Dr. Ilaria Marasco

E-Mail Website
Guest Editor Assistant
Department of Electrical and Information Engineering, Politecnico di Bari, Bari, Italy
Interests: graphene-based components; reconfigurable intelligent surface; coding based metasurface; design; fabrication and characterization of microwaves devices and antennas

Special Issue Information

Dear Colleagues,

This Special Issue aims to bring together theoretical and experimental contributions to illustrate the latest advances in the fields of photonics and optics originating in the engineering of structures, materials or their synergistic combination, to outline research trends in addressing current and future challenges. For example, metamaterials, freeform optics, and transformation optics have highlighted the power of this intelligent synergy in controlling the local or orbital properties of light, enabling the enormous potential of optical and photonic devices to be unleashed in a boundless range of applications. In addition, two-dimensional materials, liquid crystals and phase-change materials can further enhance this paradigm by revealing new capabilities and functions even in traditional dielectric or plasmonic structures, such as cavities, couplers, optical interconnections and photonic crystals.

Possible areas in which the intelligent and combined exploitation of the properties of novel geometries, structures, and materials has brought breakthrough innovations include telecommunications, sensing, imaging, computing, energy, and biomedicine.

Dr. Giovanni Magno
Dr. Marco Grande
Guest Editors

Dr. Ilaria Marasco
Guest Editor Assistant

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. Applied Sciences 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 2400 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

  • metamaterials
  • metasurfaces
  • plasmonics
  • photonics
  • optics
  • smart materials
  • graphene, 2D materials
  • phase-change materials
  • nanoantennas
  • nonlinear materials
  • structure engineering

Published Papers (2 papers)

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Research

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13 pages, 1398 KiB  
Article
Nanogap Plasmon Resonator: An Analytical Model
by Andrey K. Sarychev, Grégory Barbillon and Andrey Ivanov
Appl. Sci. 2023, 13(23), 12882; https://doi.org/10.3390/app132312882 - 30 Nov 2023
Viewed by 647
Abstract
Generic, analytical equations are suggested for the localized plasmon excited in a narrow gap formed between a metal/dielectric cylinder and a metal surface. The local distribution of the electric field was found by employing the quasi-static approximation. A strong electric field can be [...] Read more.
Generic, analytical equations are suggested for the localized plasmon excited in a narrow gap formed between a metal/dielectric cylinder and a metal surface. The local distribution of the electric field was found by employing the quasi-static approximation. A strong electric field can be achieved in the nanogap in the optical and infrared frequency regimes. The maximum electric field was reached when the incident light was in resonance with the mode of the plasmon gap and can be expressed in terms of the incident field E0 as Emax/E0∝εmδ−2 with δ=ℑεm/ℜεm. This aspect of the maximum field achievable in the nanogap can be enhanced by many orders of magnitude. The results of the analytical model were in relatively good agreement with a known theoretical model and the experimental results of surface-enhanced Raman scattering (SERS). The narrow gap resonator seems to be a powerful and flexible tool for different spectroscopies such as SERS and infrared absorption. Full article
(This article belongs to the Special Issue Advances in Photonics and Optics: Materials and Structures for Emerging Applications)
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Review

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25 pages, 9585 KiB  
Review
Integration of Plasmonic Structures in Photonic Waveguides Enables Novel Electromagnetic Functionalities in Photonic Circuits
by Giovanni Magno, Vy Yam and Béatrice Dagens
Appl. Sci. 2023, 13(23), 12551; https://doi.org/10.3390/app132312551 - 21 Nov 2023
Viewed by 1097
Abstract
The development of integrated, compact, and multifunctional photonic circuits is crucial in increasing the capacity of all-optical signal processing for communications, data management, and microsystems. Plasmonics brings compactness to numerous photonic functions, but its integration into circuits is not straightforward due to insertion [...] Read more.
The development of integrated, compact, and multifunctional photonic circuits is crucial in increasing the capacity of all-optical signal processing for communications, data management, and microsystems. Plasmonics brings compactness to numerous photonic functions, but its integration into circuits is not straightforward due to insertion losses and poor mode matching. The purpose of this article is to detail the integration strategies of plasmonic structures on dielectric waveguides, and to show through some examples the variety and the application prospect of integrated plasmonic functions. Full article
(This article belongs to the Special Issue Advances in Photonics and Optics: Materials and Structures for Emerging Applications)
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