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Photonics
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Surface Plasmon
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Surface Plasmon

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

Deadline for manuscript submissions: closed (15 June 2023) | Viewed by 4124

Special Issue Editor

Dr. Wei Ru Wong

E-Mail Website
Guest Editor
Department of Electrical Engineering, Universiti Malaya, Kuala Lumpur, Malaysia
Interests: surface plasmon; optical sensors; optical biosensing; optical fibers; integrated optics

Special Issue Information

Dear Colleagues,

Surface plasmon has been one of the rapidly emerging areas in the photonics field due to its unique properties, which enable control and manipulation of light at the nanoscale. Surface plasmons exist in various forms, ranging from free propagating electron density waves along metal-dielectric interfaces to localized electron oscillations on metal nanoparticles. The rapid growth of surface plasmon research is stimulated by a wide range of potential applications that it can offer, including sensing, high-resolution microscopy, energy harvesting, optical data storage, and many more.

This Special Issue aims to present the advances in the theory, physics, and applications of surface plasmons. Both articles and review papers are invited for submission to this Special Issue. Topics include but are not limited to:

  • Electron–plasmon interactions;
  • Novel plasmonic materials and nanostructures;
  • Metasurface and metamaterial devices;
  • Plasmonic lasers and optical sources;
  • Mid-IR and THz plasmonics;
  • Near-field scanning optical microscopy;
  • Plasmonic sensors and transducers ;
  • Ultrafast and nonlinear phenomena;
  • Quantum plasmonics.

Dr. Wei Ru Wong
Guest Editor

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

  • surface plasmon
  • nanophotonic
  • nanomaterials

Published Papers (3 papers)

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Research

18 pages, 27947 KiB  
Article
Design of All-Optical Subtractors Utilized with Plasmonic Ring Resonators for Optical Computing
by Yichen Ye, Tingting Song, Yiyuan Xie and Chuandong Li
Photonics 2023, 10(7), 724; https://doi.org/10.3390/photonics10070724 - 25 Jun 2023
Cited by 1 | Viewed by 1072
Abstract
In this paper, a novel plasmonic all-optical half-subtractor and full-subtractor are designed for optical computing. The structure of plasmonic subtractors consists of a metal–insulator–metal (MIM) waveguide and rectangular ring resonators covered by a graphene layer. Due to the nonlinear optical properties of graphene, [...] Read more.
In this paper, a novel plasmonic all-optical half-subtractor and full-subtractor are designed for optical computing. The structure of plasmonic subtractors consists of a metal–insulator–metal (MIM) waveguide and rectangular ring resonators covered by a graphene layer. Due to the nonlinear optical properties of graphene, the states of the plasmonic resonators can be controlled by the pump intensity of a pump beam focused on the graphene layer. The resonators can work as all-optical switches with an ultra-fast response time to constitute optical logic devices according to the directed logic mechanism. A finite-difference time-domain method is utilized to numerically investigate the transmission of the output signals which represent the results of subtraction operations. Simulation results obtained indicate that the proposed plasmonic devices have the ability to implement half-subtraction and full-subtraction with a small feature size and fast response time, and provide a new concept and method for the design and realization of optical computing devices. Full article
(This article belongs to the Special Issue Surface Plasmon)
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11 pages, 3997 KiB  
Communication
Morphology Engineering for High-Q Plasmonic Surface Lattice Resonances with Large Field Enhancement
by Haoxian Pan, Jiancai Xue, Zhihui Pan, Cuiyu Ou, Huafeng Dong, Ziming Meng and Jinyun Zhou
Photonics 2023, 10(5), 570; https://doi.org/10.3390/photonics10050570 - 12 May 2023
Cited by 1 | Viewed by 1499
Abstract
Plasmonic surface lattice resonances (SLRs) have endowed plasmonic systems with unprecedently high quality (Q) factors, giving rise to great advantages for light–matter interactions and boosting the developments of nanolaser, photodetector, biosensor and so on. However, it still lacks exploration to develop a strategy [...] Read more.
Plasmonic surface lattice resonances (SLRs) have endowed plasmonic systems with unprecedently high quality (Q) factors, giving rise to great advantages for light–matter interactions and boosting the developments of nanolaser, photodetector, biosensor and so on. However, it still lacks exploration to develop a strategy for achieving large electric field enhancements (FEs) while maintaining high Q factors of SLRs. Here, we investigate and verify such a strategy by engineering morphologies of plasmonic lattice, in which the influences of geometrical shapes, cross-section areas and structural compositions of particles are investigated. Firstly, we found that the Q factor of a plasmonic SLR is inversely proportional to the square of the cross-section area of the cell particles in the studied cases. Secondly, larger FEs of SLRs appear when the separated cell particles support stronger FEs. By combining these effects of particle morphology, we achieve a plasmonic SLR with Q factor and FE up to 2100 and 592 times, respectively. Additionally, supported by the derived connections between the Q factors and FEs of SLRs and the properties of cell particles, the property optimizations of SLRs can be done by optimizing the separated particles, which are distinctly time-saving in simulations. These results provide a guideline for the design of high-performance optical nanocavities, and can benefit a variety of fields including biosensing, nonlinear optics and quantum information processing. Full article
(This article belongs to the Special Issue Surface Plasmon)
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8 pages, 1494 KiB  
Communication
Design and Theoretical Investigation of an on Chip Two-Dimensional Newton’s Ring-like Plasmonic Sensor for Differentiating the Chirality of Circularly Polarized Lights
by Lina Zhang, Chunyan Bai, Yan Xu, Tao Pang, Xufeng Zang, Dakui Zeng and Peizhen Qiu
Photonics 2023, 10(1), 87; https://doi.org/10.3390/photonics10010087 - 12 Jan 2023
Viewed by 1184
Abstract
In this paper, an on chip two-dimensional Newton’s ring-like plasmonic sensor is designed for differentiating the chirality of circularly polarized lights (CPLS). The structure of the plasmonic sensor consists of a circular arc slit and an array of periodic rectangular nano-grooves that are [...] Read more.
In this paper, an on chip two-dimensional Newton’s ring-like plasmonic sensor is designed for differentiating the chirality of circularly polarized lights (CPLS). The structure of the plasmonic sensor consists of a circular arc slit and an array of periodic rectangular nano-grooves that are etched into a silver film. When the sensor is illuminated by CPLS with a given chirality, the surface plasmon polariton waves generated by the slit and nano-groove array will selectively interfere with each other in the near field, which results in two different transmitted light intensity distributions in the far field. The generated far-field light intensity distributions are utilized as criteria to qualitatively differentiate the concrete chirality of the incident CPLS. The finite difference time domain method is utilized to theoretically investigate the function of the designed plasmonic sensor. The simulated results indicated that the proposed sensor has the ability to visually display the chirality information in the far field, and can provide a tool to conveniently and qualitatively differentiate the chirality of CPLS in the far field. Full article
(This article belongs to the Special Issue Surface Plasmon)
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