Terahertz Photonics: Recent Advances and Future Perspectives

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

Deadline for manuscript submissions: 31 October 2024 | Viewed by 1113

Special Issue Editor


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Guest Editor
School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore, Singapore
Interests: terahertz spectroscopy; ultrafast spectroscopy; ultrafast lasers; nanomaterials

Special Issue Information

Dear Colleagues,

We invite submissions to the Special Issue on "Terahertz Photonics: Recent Advances and Future Perspectives", focusing on the latest innovations and applications within the terahertz (THz) spectrum (0.1–10 THz). THz technology stands at the forefront of bridging electronic and photonic methodologies, alongside melding classical and quantum physics, offering unparalleled insights into non-contact material characterization, biomedical diagnostics, security, and ultrafast communication systems.

We are calling for submissions of review articles and original research that push the envelope in THz technology, providing fresh perspectives and breakthrough technological advancements. Theoretical and numerical studies are equally encouraged. Relevant topics include, but are not limited to, the following:

  • Advances in THz sources and detectors.
  • Ultrafast dynamics and nonlinear THz science.
  • THz sensing and imaging technologies.
  • Novel THz materials (e.g., nanostructures and metamaterials).
  • THz applications in industry, security, and biology.

We eagerly anticipate your contributions and the opportunity to highlight the most recent achievements in THz science together.

Dr. Ziqi Li
Guest Editor

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Keywords

  • THz sources
  • THz-TDS
  • optical pump THz probe
  • THz pump
  • THz spintronics
  • THz detectors
  • THz devices
  • THz sensors
  • THz imaging

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Published Papers (1 paper)

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Research

16 pages, 814 KiB  
Article
Theoretical Models for Performance Analysis of Spintronic THz Emitters
by Yingshu Yang, Stefano Dal Forno and Marco Battiato
Photonics 2024, 11(8), 730; https://doi.org/10.3390/photonics11080730 - 5 Aug 2024
Viewed by 610
Abstract
The terahertz (THz) region of the electromagnetic spectrum, spanning from 0.1 to 10 THz, offers unique opportunities for imaging, spectroscopy, and communication applications. However, the potential of THz technologies has been limited by the availability of efficient and versatile THz emitters. Spintronic THz [...] Read more.
The terahertz (THz) region of the electromagnetic spectrum, spanning from 0.1 to 10 THz, offers unique opportunities for imaging, spectroscopy, and communication applications. However, the potential of THz technologies has been limited by the availability of efficient and versatile THz emitters. Spintronic THz emitters (STEs), leveraging the ultrafast dynamics of electron spins in magnetic materials, have emerged as a promising solution to this challenge. STEs offer significant advantages, including broad bandwidth, high power output, and room-temperature operation, positioning them at the forefront of THz technology development. Despite these advances, understanding the operational principles and improving the performance of STEs remain areas of active research. This review focuses on the theoretical models that describe the behavior of STEs, aiming to provide a comprehensive overview of the underlying physics and suggest directions for future enhancements. Through a detailed examination of these models, the review seeks to clarify the basics of the physics driving STE performance and highlight innovative strategies for their optimization and application expansion. Full article
(This article belongs to the Special Issue Terahertz Photonics: Recent Advances and Future Perspectives)
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