Advancements in Terahertz Antenna Design
Sasmita Dash, Amalendu Patnaik

TL;DR
This paper reviews recent advancements in terahertz antenna design, focusing on various types including graphene-based antennas, and compares their performance with traditional copper-based antennas to enhance high-frequency communication systems.
Contribution
It provides a comprehensive overview of THz antenna types, emphasizing recent trends with carbon-based materials, and analyzes their performance and fabrication techniques.
Findings
Graphene and carbon nanotube antennas show promising performance improvements.
Highly directive antennas can mitigate large free space path loss at THz frequencies.
Comparison indicates carbon-based antennas outperform traditional copper-based designs.
Abstract
The promising way to provide sufficient transmission capacity is by accessing transmission bands at higher carrier frequencies. This desire for higher carrier frequency or more bandwidth led the researchers to take advantage of the terahertz (THz) spectrum. The opportunity for large bandwidth in the THz band leads to the possibility of easy, high data rate transmission. In spite of the advantages, the THz band suffers from large free space path loss. In the development of THz communication systems, the antenna is the most significant component. The focus is especially on designing highly directive antennas because they enhance the performance of the overall system by compensating for the large path loss at THz and thus improving the signal-to-noise ratio. This chapter presents different types of THz antennas, including planar, reflectarray, horn antenna, and lens antenna. Emphasis has…
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Taxonomy
TopicsMicrowave Engineering and Waveguides · Antenna Design and Analysis · Superconducting and THz Device Technology
MethodsFocus
