Advanced Nanomaterials for Photonics, Plasmonics and Metasurfaces

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

Deadline for manuscript submissions: 15 July 2025 | Viewed by 866

Special Issue Editors

School of Physical and Mathematical Sciences & School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 637378, Singapore
Interests: structured light; optical angular momentum; lasers; quantum entanglement; nanophotonics; metamaterials; topological photonics; skyrmions
Department of Mechanical Engineering and Materials Science, Washington University in St. Louis, St. Louis, MO, USA
Interests: nanophotonics; metaphotonics; integrated photonics; 2D materials
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Special Issue Information

Dear Colleagues,

Nanophotonics has proven to be a vibrant platform for exploring various intriguing optical phenomena and developing various compact and high-performance photonic devices and applications. By selecting appropriate optical materials and designing diverse micro- and nanostructures, the generation, propagation, and detection of photons can be controlled with unprecedented degrees of freedom. For instance, by exploring metamaterials and metasurfaces, flat lenses, high-efficiency holograms, multi-dimensional cameras, and on-demand generation of complex structured light fields for quantum and topological photonics can be enabled for free-space or guided-wave photons. Exciting progresses are also advancing for numerous devices and systems based on nanophotonics platforms for not only fundamental physics research, but also important applications in communications, sensing, metrology, and beyond.

Dr. Yijie Shen
Dr. Meng Yuan
Guest Editors

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Keywords

  • nanophotonics
  • metaphotonics
  • integrated photonics
  • 2D materials
  • plasmonics
  • metasurfaces

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Published Papers (1 paper)

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Research

18 pages, 4532 KiB  
Article
Study of Thermal Effects in Fused-Tapered Pure Passive Fibers and Signal Combiners
by Yuyi Yin, Tingwu Ge, Guanrui Zhao, Ruoyu Jia and Zhiyong Wang
Nanomaterials 2025, 15(1), 62; https://doi.org/10.3390/nano15010062 - 2 Jan 2025
Viewed by 639
Abstract
This paper investigates the thermal effects in fused-tapered passive optical fibers under near-infrared absorption. The thermal effect is primarily caused by impurities, such as OH-, which absorb incident light and generate heat. Using the finite element method, the volume changes during fiber tapering [...] Read more.
This paper investigates the thermal effects in fused-tapered passive optical fibers under near-infrared absorption. The thermal effect is primarily caused by impurities, such as OH-, which absorb incident light and generate heat. Using the finite element method, the volume changes during fiber tapering were simulated, influencing power density and thermal distribution. The heat conduction equation and ray optics were employed to analyze the thermal distribution in tapered fibers and signal combiners. Results show that at 5 kW power, the temperature peak for a single fiber reaches 316.73 °C, while for bundled fibers, the temperature rises significantly as the bundle configuration increases from 7 × 1 to 61 × 1, peaking at 453.09 °C—an increase of 171.6%. Variations in tapering ratio and length also notably affect the thermal behavior. Increasing the tapering ratio from 5 to 8 results in a 52.5% temperature rise, while doubling the taper length from 25 mm to 50 mm reduces the temperature peak by 59.1%. These findings offer important insights for the design and optimization of high-power optical fiber combiners and their heat dissipation structures. Full article
(This article belongs to the Special Issue Advanced Nanomaterials for Photonics, Plasmonics and Metasurfaces)
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