Photonic Devices Based on Plasmonic or Dielectric Nanostructures

A special issue of Photonics (ISSN 2304-6732). This special issue belongs to the section "Optoelectronics and Optical Materials".

Deadline for manuscript submissions: 31 May 2024 | Viewed by 5148

Special Issue Editors

Abbe Center of Photonics, Institute of Applied Physics, Friedrich Schiller University Jena, Albert-Einstein-Str. 15, 07745 Jena, Germany
Interests: optics; photonics; light scattering; computational science; metasurfaces; plasmonics; sensing
Department of Electronic Technology, School of Engineering, Carlos III University of Madrid, GDAF-UC3M, Madrid, Spain
Interests: photonics; solar cells; detectors; liquid crystals; optics
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Special Issue Information

Dear Colleagues,

Metallic and dielectric nanostructures have been vastly investigated in recent years due to their capability of enhancing light–matter interaction at the nanoscale. Attending to their near-field properties, strong electromagnetic energy confinement energy either in the surroundings or inside the nanoparticles has found applications in many different fields (e.g., sensing, solar cells, detectors, optical communications). Regarding the far-field characteristics, interesting directional properties originating from the interferential effects between dipolar and higher multipolar electric and magnetic resonances in the dielectric nanoparticles have been exploited for designing different photonic devices, such as optical switchers, filters, or holograms, among others.

Both an active tunability of these properties and a fitting of their spectral working band are interesting. In this sense, liquid crystals and phase-change materials represent some of the solutions that have been proposed.

This Special Issue invites manuscripts that introduce recent advances in metallic and/or dielectric nanostructures for designing photonic devices. All theoretical, numerical, and experimental papers are accepted. Topics include, but are not limited to, the following:

  • Metallic and/or dielectric nanostructures for absorption enhancement: solar cells, photodectectors;
  • Metallic and/or dielectric nanostructures for sensing;
  • Metallic and/or dielectric nanostructures for switching devices;
  • Metallic and/or dielectric nanostructures for building holograms;
  • Metallic and/or dielectric nanostructures for color filters;
  • Tunable photonic devices by means of liquid crystals;
  • Tunable photonic devices using phase-change materials.

Dr. Angela Barreda
Dr. Braulio García-Cámara
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. Photonics is an international peer-reviewed open access monthly 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

  • plasmonic
  • dielectric
  • nanostructures
  • phase-change materials
  • liquid crystals
  • switchers
  • filters
  • solar cells
  • detectors
  • holograms
  • sensors

Published Papers (2 papers)

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Research

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14 pages, 7310 KiB  
Article
Silica Waveguide Four-Mode Multiplexer Based on Cascaded Directional Couplers
by Manzhuo Wang, Xiaoqiang Sun, Tingyu Liu, Jianbo Yue, Chaoyang Sun, Dehui Li, Yuanda Wu and Daming Zhang
Photonics 2023, 10(9), 983; https://doi.org/10.3390/photonics10090983 - 28 Aug 2023
Viewed by 725
Abstract
Mode multiplexers/demultiplexers (MUX/deMUX) are key components in mode division multiplexing. A silica waveguide mode MUX consisting of four cascaded directional couplers is experimentally demonstrated. The beam propagation method is used in the device design and optimization. Thermal oxidation, plasma-enhanced chemical vapor deposition, and [...] Read more.
Mode multiplexers/demultiplexers (MUX/deMUX) are key components in mode division multiplexing. A silica waveguide mode MUX consisting of four cascaded directional couplers is experimentally demonstrated. The beam propagation method is used in the device design and optimization. Thermal oxidation, plasma-enhanced chemical vapor deposition, and ultraviolet photolithography are adopted in the silica waveguide mode MUX fabrication. The measurement results prove that the input E00 mode can be selectively converted to E10 mode, E20 mode, and E30 mode. Within the wavelength range of 1500 to 1620 nm, the insertion loss is less than 12.2 dB. The proposed mode MUX has good potential in on-chip MDM applications. Full article
(This article belongs to the Special Issue Photonic Devices Based on Plasmonic or Dielectric Nanostructures)
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Review

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31 pages, 6270 KiB  
Review
Recent Advances in Optical Hydrogen Sensor including Use of Metal and Metal Alloys: A Review
by Akhilesh Kumar Pathak, Sneha Verma, Natsima Sakda, Charusluk Viphavakit, Ratchapak Chitaree and B. M. Azizur Rahman
Photonics 2023, 10(2), 122; https://doi.org/10.3390/photonics10020122 - 25 Jan 2023
Cited by 8 | Viewed by 4034
Abstract
Optical sensing technologies for hydrogen monitoring are of increasing importance in connection with the development and expanded use of hydrogen and for transition to the hydrogen economy. The past decades have witnessed a rapid development of optical sensors for hydrogen monitoring due to [...] Read more.
Optical sensing technologies for hydrogen monitoring are of increasing importance in connection with the development and expanded use of hydrogen and for transition to the hydrogen economy. The past decades have witnessed a rapid development of optical sensors for hydrogen monitoring due to their excellent features of being immune to electromagnetic interference, highly sensitive, and widely applicable to a broad range of applications including gas sensing at the sub-ppm range. However, the selection of hydrogen selective metal and metal alloy plays an important role. Considering the major advancements in the field of optical sensing technologies, this review aims to provide an overview of the recent progress in hydrogen monitoring. Additionally, this review highlights the sensing principles, advantages, limitations, and future development. Full article
(This article belongs to the Special Issue Photonic Devices Based on Plasmonic or Dielectric Nanostructures)
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