Terahertz Advancements in Fibers, Waveguides and Devices

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

Deadline for manuscript submissions: 30 May 2025 | Viewed by 1028

Special Issue Editors


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Guest Editor
School of Integrated Circuits, Shandong University, Jinan, China
Interests: novel 3D integrated circuits; active metasurfaces; smart systems at terahertz frequencies
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Guest Editor
College of Electronic Science and Technology, National University of Defense Technology, Changsha, China
Interests: terahertz radar and applications; radar signal processing

Special Issue Information

Dear Colleagues,

We invite you to submit both reviews and original research articles reporting on the recent progress in terahertz (THz) waveguides, circuits, and devices, particularly on fundamentals and application-related scientific investigations—including the recent developments in silicon- and polymer-based devices as well as in components for integrated on-chip THz systems. We plan to cover the various types of THz waveguides, circuits, and antennas (dielectric/metallic) that have been developed recently. Furthermore, we aim to cover the latest advances of their applications in THz communication, radar, imaging, etc.

Your active participation in this Special Issue on “Terahertz Advancements in Fibers, Waveguides and Devices” is very welcome.

Prof. Dr. Yifei Zhang
Dr. Qi Yang
Guest Editors

Manuscript Submission Information

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Keywords

  • terahertz (THz) waveguides
  • THz devices
  • THz communications

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Published Papers (1 paper)

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Research

18 pages, 9222 KiB  
Article
PTFE-Based Circular Terahertz Dielectric Waveguides
by Hao Li, Dehai Zhang and Haotian Zhu
Photonics 2024, 11(10), 921; https://doi.org/10.3390/photonics11100921 - 29 Sep 2024
Viewed by 658
Abstract
This paper presents the transmission characteristics of flexible solid circular dielectric waveguides in the terahertz frequency band. In this paper, we measured the electrical properties of certain polymers within 325–500 GHz. Through simulation and measurement, the transmission loss, bending loss, and electric field [...] Read more.
This paper presents the transmission characteristics of flexible solid circular dielectric waveguides in the terahertz frequency band. In this paper, we measured the electrical properties of certain polymers within 325–500 GHz. Through simulation and measurement, the transmission loss, bending loss, and electric field distribution of solid-core polymer dielectric waveguides were analyzed and discussed. Additionally, we considered the surrounding cladding of the dielectric waveguide, the signal-feeding mode transmitter, and the interconnection of the dielectric waveguide. Ultimately, in the operating frequency range of 325–500 GHz, we selected PTFE rods with diameters of 0.5 mm and 1 mm as the dielectric waveguides, with measured transmission loss of less than 30 dB/m and 33 dB/m, respectively, and bending loss of less than 1 dB/m. The described dielectric waveguide has engineering significance for short-distance connections in complex geometric environments and provides a reference for subsequent research. Full article
(This article belongs to the Special Issue Terahertz Advancements in Fibers, Waveguides and Devices)
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