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Nanomaterials
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Photonics and Plasmonics of Low-Dimensional Materials
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Photonics and Plasmonics of Low-Dimensional Materials

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

Deadline for manuscript submissions: closed (29 August 2025) | Viewed by 1436

Special Issue Editors

Dr. Zhao Chen

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Guest Editor
College of Mathematics and Physics, Beijing University of Chemical Technology, Beijing 100029, China
Interests: mirco-nano photonics; metamaterials; photodetector
Dr. Fan Wu

E-Mail
Guest Editor
College of Science, Beijing Forestry University, Beijing 100083, China
Interests: plasmonics; chiral optics; strong light-matter interaction

Special Issue Information

Dear Colleagues,

Low-dimensional materials ‌refers to materials whose dimensions are at the nanoscale in one or more dimensions, mainly including zero-dimensional, one-dimensional, and two-dimensional materials. Due to their unique crystal structure, these materials exhibit many unique physical phenomena and application potentials, and have attracted widespread scientific attention.

This Special Issue, titled “Photonics and Plasmonics of Low-Dimensional Materials”, seeks to highlight the cutting-edge advances and research at the intersection between optical science and nanotechnology. Plasmonics can break through the diffraction limit and manipulate light on the subwavelength scale, which is a research hotspot at present. Combining the characteristics of low-dimensional materials with the advantages of plasmonics, it provides a reference for the miniaturization and integration of photonics devices in the future. This Special Issue will serve as a platform to drive forward the future of nano-optical systems.

Contributions are invited to cover research topics, both experimental and theoretical, and review articles on topics such as the new designs of nanophotonics, metamaterials, and metasurfaces, nanowaveguide devices based on micro- or nano-structures, and integrated optics, sensors, or photodetection techniques. We look forward to your participation.

Dr. Zhao Chen
Dr. Fan Wu
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 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

  • low-dimensional materials
  • plasmonics
  • nanowaveguides and devices
  • photonic nanostructures
  • metamaterials and metasurfaces
  • light-matter interactions at the nanoscale
  • optoelectronics

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (3 papers)

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14 pages, 1522 KB  
Article
Tunable Strong Plasmon-Exciton Coupling in a Low-Loss Nanocuboid Dimer with Monolayer WS2
by Fan Wu and Zhao Chen
Nanomaterials 2025, 15(19), 1497; https://doi.org/10.3390/nano15191497 - 30 Sep 2025
Abstract
Strong coupling between plasmons and excitons in two-dimensional materials offers a powerful route for manipulating light–matter interactions at the nanoscale, with potential applications in quantum optics, nanophotonics, and polaritonic devices. Here, we design and numerically investigate a low-loss coupling platform composed of a [...] Read more.
Strong coupling between plasmons and excitons in two-dimensional materials offers a powerful route for manipulating light–matter interactions at the nanoscale, with potential applications in quantum optics, nanophotonics, and polaritonic devices. Here, we design and numerically investigate a low-loss coupling platform composed of a silver nanocuboid dimer and monolayer of WS2 using finite-difference time-domain (FDTD) simulations. The dimer supports a subradiant bonding plasmonic mode with a linewidth as narrow as 60 meV. This ultralow-loss feature enables strong coupling with monolayer WS2 at relatively low coupling strengths. FDTD simulations combined with the coupled oscillator model reveal a Rabi splitting of ~60 meV and characteristic anticrossing behavior in the dispersion relations. Importantly, we propose and demonstrate two independent tuning mechanisms—loss engineering through nanocuboid tilt and coupling-strength modulation through the number of WS2 layers—that enable transitions between weak and strong coupling regimes. This work provides a low-loss and tunable plasmonic platform for studying and controlling strong light–matter interactions in plasmon-two-dimensional material systems, with potential for room-temperature quantum and optoelectronic devices. Full article
(This article belongs to the Special Issue Photonics and Plasmonics of Low-Dimensional Materials)
15 pages, 3639 KB  
Article
Research on the Generation of High-Purity Vortex Beams Aided by Genetic Algorithms
by Xinyu Ma, Wenjie Guo, Qing’an Sun, Xuesong Deng, Hang Yu and Lixia Yang
Nanomaterials 2025, 15(18), 1448; https://doi.org/10.3390/nano15181448 - 19 Sep 2025
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Abstract
Vortex beams (VBs) generated by plasmonic metasurfaces hold great potential in the field of information transmission due to their unique helical phase wavefronts and infinite eigenstates. However, achieving perfect multiplexing and superposition of VBs with different orders remains a challenging issue in nanophotonics [...] Read more.
Vortex beams (VBs) generated by plasmonic metasurfaces hold great potential in the field of information transmission due to their unique helical phase wavefronts and infinite eigenstates. However, achieving perfect multiplexing and superposition of VBs with different orders remains a challenging issue in nanophotonics research. In this paper, based on a single-layer metallic porous metasurface structure applicable to the infrared spectrum, VBs with orders 2, 4, 6, and 8 are realized through the arrangement of annular elliptical apertures. Moreover, perfect VBs are achieved by optimizing key structural parameters using a genetic algorithm. The optimization of key structural parameters via genetic-based optimization algorithms to attain the desired effects can significantly reduce the workload of manual parameter adjustment. In addition, leveraging the orthogonality between VBs of different orders, concentric circular multi-channel VBs array (l = 2, 6) and (l = 4, 8) are realized. High-purity multiplexing architectures (>90%) are achieved via rational optimization of critical structural parameters using a genetic optimization algorithm, which further mitigates information crosstalk in optical communication transmission. The introduction of the genetic algorithm not only reduces the workload of manual arrangement of unit arrays but also enables the generation of more perfect VBs, providing a new research direction for optical communication transmission and optical communication encryption. Full article
(This article belongs to the Special Issue Photonics and Plasmonics of Low-Dimensional Materials)
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10 pages, 5339 KB  
Article
Plasmonic Nanosensors Based on Highly Tunable Multiple Fano Resonances Induced in Metal–Insulator–Metal Waveguide Systems
by Ping Jiang and Yilin Wang
Nanomaterials 2025, 15(9), 686; https://doi.org/10.3390/nano15090686 - 30 Apr 2025
Viewed by 834
Abstract
We designed and investigated a plasmonic nanosensor with ultra-high sensitivity and tunability, which is composed of a metal–insulator–metal (MIM) waveguide integrated with a side-coupled resonator (SR) and metal baffle. Its high performance is derived from Fano resonance, which is generated by the interaction [...] Read more.
We designed and investigated a plasmonic nanosensor with ultra-high sensitivity and tunability, which is composed of a metal–insulator–metal (MIM) waveguide integrated with a side-coupled resonator (SR) and metal baffle. Its high performance is derived from Fano resonance, which is generated by the interaction between the modes of the SR and the baffle, and it can be precisely tuned by adjusting the parameters of the SR. Further investigation based on the incorporation of a side-coupled rectangular-ring resonator (SRR) generates three distinct Fano resonances, and the Fano resonance can be accurately tuned by manipulating the parameters of the resonators within the system. Our proposed plasmonic system can serve as a highly sensitive refractive index nanosensor, achieving a sensitivity up to 1150 nm/RIU. The plasmonic structures featuring independently tunable triple Fano resonances open new avenues for applications in nanosensing, bandstop filtering, and slow-light devices. Full article
(This article belongs to the Special Issue Photonics and Plasmonics of Low-Dimensional Materials)
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