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Photonics
Special Issues
Design and Applications of Novel Nanophotonics Devices
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Design and Applications of Novel Nanophotonics Devices

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

Deadline for manuscript submissions: closed (15 May 2024) | Viewed by 2754

Special Issue Editor

Dr. Haejun Chung

E-Mail Website
Guest Editor
1. Department of Electronic Engineering, Hanyang University, Seoul 04763, Republic of Korea
2. Department of Artificial Intelligence, Hanyang University, Seoul 04763, Republic of Korea
Interests: electromagnetics; metamaterials; antenna; optics; photonics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Nanophotonics, the intersection of nanotechnology and photonics, explores the behavior of light on the nanometer scale and the interactions of nanometer-sized objects with light. This Special Issue aims to collate research papers that explore the design and applications of cutting-edge nanophotonic devices. By manipulating light at scales smaller than its wavelength, these devices offer advanced capabilities in terms of size, efficiency, and functionality. The applications range from optical communication and computing to advanced imaging, sensing and many others. Emphasizing both fundamental concepts and real-world implementations, this Special Issue seeks to underscore the transformative potential of nanophotonics in reshaping modern technology. Following are some examples of key advancements:

Metamaterials and Metasurfaces: These are materials engineered to possess properties not found in naturally occurring substances, such as the ability to manipulate electromagnetic waves in novel ways, thereby leading to their applications for designing invisibility cloaks and superlenses.

Quantum Dot-based Devices: Quantum dots are nano-sized semiconductors that have quantum mechanical properties, which have found applications in displays, solar cells, and bio-imaging.

Silicon Photonics: Integrating photonic devices on a silicon platform, this technology promises to revolutionize chip design, leading to faster and more efficient processors.

Nonlinear Nanophotonic Devices: By exploiting nonlinear effects at the nanoscale, these devices pave the way for advanced signal processing, generation of new frequencies, and enhanced light-matter interaction.

Plasmonic Devices: Capitalizing on the oscillations of electrons at the surface of metals when exposed to light, these devices have found applications in enhanced imaging, sensing, and even in targeted drug delivery.

Dr. Haejun Chung
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

  • metamaterials
  • plasmonics
  • solar energy harvesting and conversion
  • waveguides and devices
  • nanoparticles
  • photonic crystals
  • integrated silicon photonics
  • quantum optics
  • light-matter interaction
  • nano-biophotonics

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Published Papers (2 papers)

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Research

16 pages, 5047 KiB  
Article
Surface Plasmon Waveguide Based on Nested Dielectric Parallel Nanowire Pairs Coated with Graphene
by Lixia Yu, Ji Liu and Wenrui Xue
Photonics 2024, 11(5), 441; https://doi.org/10.3390/photonics11050441 - 9 May 2024
Viewed by 1381
Abstract
A kind of surface plasmon waveguide composed of two nested cylindrical dielectric parallel nanowire pairs coated with graphene was designed and studied. The dependence of the mode characteristics and the normalized gradient force of the lowest two modes supported by the waveguide on [...] Read more.
A kind of surface plasmon waveguide composed of two nested cylindrical dielectric parallel nanowire pairs coated with graphene was designed and studied. The dependence of the mode characteristics and the normalized gradient force of the lowest two modes supported by the waveguide on the parameters involved were analyzed by using the multipole method. To ensure rigor, the finite element method was employed to verify the accuracy of the multipole method, thus confirming its results. The results show that the multipole method is a powerful tool for handling this type of waveguide. The real part of the effective refractive index, the propagation length, the figure of merit, and the normalized gradient force can be significantly affected by the operating wavelength, the Fermi energy of graphene, the waveguide geometric parameters, and the refractive index of the inner dielectric nanowire. Due to the employment of nested dielectric nanowire pairs coated with graphene, this waveguide structure exhibits significant gradient force that surpasses 100 nN·μm−1·mW−1. The observed phenomena can be attributed to the interaction of the field with graphene. This waveguide holds promising potential for applications in micro/nano integration, optical tweezers, and sensing technologies. Full article
(This article belongs to the Special Issue Design and Applications of Novel Nanophotonics Devices)
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13 pages, 6350 KiB  
Article
Efficient Structure Transformation Based on Sensitivity-Oriented Structure Adjustment for Inverse-Designed Devices
by Yuchen Chen, Jifang Qiu, Zhenli Dong, Lihang Wang, Lan Wu, Suping Jiao, Hongxiang Guo and Jian Wu
Photonics 2024, 11(3), 265; https://doi.org/10.3390/photonics11030265 - 14 Mar 2024
Viewed by 1068
Abstract
Inverse-designed devices with thousands of degrees of freedom could achieve high performance in compact footprints, but typically have complex structure topologies that contain many irregular and tiny features and sharp corners, which tend to lead to a poor robustness to fabrication errors. In [...] Read more.
Inverse-designed devices with thousands of degrees of freedom could achieve high performance in compact footprints, but typically have complex structure topologies that contain many irregular and tiny features and sharp corners, which tend to lead to a poor robustness to fabrication errors. In order to effectively transform the structure of inverse-designed nanophotonic devices into simple structure topologies that have high robustness to fabrication errors without sacrificing device performance, in this paper, we propose a structure adjustment method that innovatively adjusts the structures of inverse-designed devices by introducing their structural sensitivity to the optical performance, extracting the device substructures with high sensitivity and eliminating those with low sensitivity, and, finally, transforming the device structures into simple structure topologies with high robustness and better performance. Two devices (90° crossing and T-junction) were designed and fabrication tolerance simulation was conducted to verify the method. The results show that the devices designed using the proposed method achieved better performance and were more robust to under/over-etched errors. Full article
(This article belongs to the Special Issue Design and Applications of Novel Nanophotonics Devices)
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