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Nanomaterials
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Light-Matter Interaction in Nano Systems: Fundamentals and Applications
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Light-Matter Interaction in Nano Systems: Fundamentals and Applications

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

Deadline for manuscript submissions: 20 December 2024 | Viewed by 2445

Special Issue Editors

Dr. Zhengkun Fu

E-Mail Website
Guest Editor
School of Physics and Information Technology, Shaanxi Normal University, Xi’an 710119, China
Interests: nanomaterials; energy conversion; upconversion luminescence; nanodevices; optical tweezers
Dr. Lianghui Huang

E-Mail Website
Guest Editor
State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-electronics, Shanxi University, Taiyuan 030006, China
Interests: ultracold quantum gases; optics and lasers; optical lattices; spin-orbit coupling; Feshbach resonance
Prof. Dr. Mengtao Sun

E-Mail Website
Guest Editor
School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China
Interests: two-dimensional semiconductor; two-dimensional semiconductor heterostructure; synthesis; optical properties; photocatalysis; nanomaterials and nanodevices
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Light-matter interactions pervades the disciplines of optical and atomic physics, condensed matter physics, electrical engineering, molecular biology, and medicine with frequency and length scales extending over many orders of magnitude. The interaction at the nanometer scale is particularly important. Combining the outcomes of light-matter interactions and nanotechnology to achieve completely new optical, electrical, and photoelectric capabilities has led to the development of nano-optics and nano-optoelectronics, which have become an essential component of science and technology. Such applications include nanolasers, photonic crystals, semiconductor dots, quantum optics, nanowires, nanowaveguides, and nanomaterials in fiber lasers.

This Special Issue of Nanomaterials aims to bring together research on light-matter interactions with research on nanomaterials. We invite authors to contribute original research articles and review articles to give a fair appraisal of the current state of the art and perspectives on the future of nanophotonics research. Potential topics include, but are not limited to:

  • Nanomaterials;
  • Specially designed nano-structured materials;
  • Light and laser sources;
  • Light trapping and cooling;
  • Optical phenomena in nano-photonic structures;
  • Nanofabrication techniques;
  • Nanoplasmonics;
  • Quantum, nonlinear and nonlocal effects in nanostructures;
  • Photonic crystals;
  • Nanowaveguiding devices;
  • Single-photon sources.

Dr. Zhengkun Fu
Dr. Lianghui Huang
Prof. Dr. Mengtao Sun
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

  • nanomaterials
  • quantum dots
  • ultrafast spectroscopy
  • light-matter interaction
  • plasmonic
  • low-noise laser
  • optical resonant cavity
  • optical tweezers

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Published Papers (2 papers)

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Research

11 pages, 3380 KiB  
Article
Cavity-Induced Optical Nonreciprocity Based on Degenerate Two-Level Atoms
by Chuan-Zhao Qi, Jia-Rui Zheng, Yuan-Hang Tong, Ruo-Nan Li, Dan Wang, Liang-Hui Huang and Hai-Tao Zhou
Nanomaterials 2024, 14(15), 1236; https://doi.org/10.3390/nano14151236 - 23 Jul 2024
Viewed by 503
Abstract
We developed and experimentally realized a scheme of optical nonreciprocity (ONR) by using degenerate two-level atoms embedded in an optical ring cavity. For the degenerate transition Fg = 4 ↔ Fe = 3, we first studied the cavity-transmission property in different [...] Read more.
We developed and experimentally realized a scheme of optical nonreciprocity (ONR) by using degenerate two-level atoms embedded in an optical ring cavity. For the degenerate transition Fg = 4 ↔ Fe = 3, we first studied the cavity-transmission property in different coupling field configurations and verified that under the strong-coupling regime, the single-dark-state peak formed by electromagnetically induced transparency (EIT) showed ONR. The stable ground-state Zeeman coherence for Λ-chains involved in the degenerate two-level system was found to be important in the formation of intracavity EIT. However, different from the three-level atom–cavity system, in the degenerate two-level system, the ONR effect based on intracavity EIT occurred only at a low probe intensity, because the cavity–atom coupling strength was weakened in the counter-propagating probe and coupling field configuration. Furthermore, ONR transmission with a high contrast and linewidth-narrowing was experimentally demonstrated. Full article
(This article belongs to the Special Issue Light-Matter Interaction in Nano Systems: Fundamentals and Applications)
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12 pages, 2620 KiB  
Article
The Geometry of Nanoparticle-on-Mirror Plasmonic Nanocavities Impacts Surface-Enhanced Raman Scattering Backgrounds
by Zixin Wang, Wenjin Zhou, Min Yang, Yong Yang, Jianyong Hu, Chengbing Qin, Guofeng Zhang, Shaoding Liu, Ruiyun Chen and Liantuan Xiao
Nanomaterials 2024, 14(1), 53; https://doi.org/10.3390/nano14010053 - 24 Dec 2023
Cited by 1 | Viewed by 1383
Abstract
Surface-enhanced Raman scattering (SERS) has garnered substantial attention due to its ability to achieve single-molecule sensitivity by utilizing metallic nanostructures to amplify the exceedingly weak Raman scattering process. However, the introduction of metal nanostructures can induce a background continuum which can reduce the [...] Read more.
Surface-enhanced Raman scattering (SERS) has garnered substantial attention due to its ability to achieve single-molecule sensitivity by utilizing metallic nanostructures to amplify the exceedingly weak Raman scattering process. However, the introduction of metal nanostructures can induce a background continuum which can reduce the ultimate sensitivity of SERS in ways that are not yet well understood. Here, we investigate the impact of laser irradiation on both Raman scattering and backgrounds from self-assembled monolayers within nanoparticle-on-mirror plasmonic nanocavities with variable geometry. We find that laser irradiation can reduce the height of the monolayer by inducing an irreversible change in molecular conformation. The resulting increased plasmon confinement in the nanocavities not only enhances the SERS signal, but also provides momentum conservation in the inelastic light scattering of electrons, contributing to the enhancement of the background continuum. The plasmon confinement can be modified by changing the size and the geometry of nanoparticles, resulting in a nanoparticle geometry-dependent background continuum in SERS. Our work provides new routes for further modifying the geometry of plasmonic nanostructures to improve SERS sensitivity. Full article
(This article belongs to the Special Issue Light-Matter Interaction in Nano Systems: Fundamentals and Applications)
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