基于石墨烯波导的混合等离子体太赫兹贴片天线

IF 0.8 4区 工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Frequenz Pub Date : 2023-10-31 DOI:10.1515/freq-2023-0070
Pallavi Mahankali, Shyamal Mondal, Rama Rao Thipparaju, Susila Mohandoss
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引用次数: 0

摘要

摘要太赫兹(THz)技术因其在公共、私人和企业领域广泛应用的巨大潜力而备受关注。本研究展示了基于石墨烯的波导馈电混合等离子体太赫兹贴片天线(HPTPA)的设计结构和分析。混合等离子体太赫兹波导(HPTW)作为太赫兹贴片天线的馈线可以提高天线效率。石墨烯夹在砷化镓(GaAs)和银(Ag)之间,可以有效地限制太赫兹波。利用有限元模态分析方法,对所提出的超高压波导的传输长度、有效折射率进行了全面的研究。基于有限元分析的结果表明,所设计的石墨烯基波导的有效折射率为2.9,传输长度为230µm,增益为2.29 dBi,带宽为200 GHz,效率为85%。所提出的基于石墨烯波导的HPTPA可能有助于实现下一代无线通信中的几种光子集成电路应用。
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Graphene based waveguide fed hybrid plasmonic terahertz patch antenna
Abstract The terahertz (THz) technology has fascinated lot of attention due to its enormous potential for a wide range of applications in the public, private and enterprise domains. This research work demonstrates the design structure and analysis of graphene based waveguide fed hybrid plasmonic THz patch antenna (HPTPA) constructed at around 3 THz. Hybrid plasmonic THz waveguide (HPTW) as a feeding line for the proposed THz patch antenna can increases antenna efficiency. The graphene is sandwiched between gallium arsenide (GaAs) and silver (Ag) to confine THz waves efficiently. Using mode analysis in finite element method for the proposed HPTW the propagation length, effective refractive index has been thoroughly examined. Based on the finite element method (FEM) approach, the results of the designed graphene-based waveguide fed HPTPA shows a high effective refractive index of 2.9, large propagation length of 230 µm, gain of 2.29 dBi, bandwidth of 200 GHz and efficiency of 85 % has obtained. The proposed graphene-based waveguide fed HPTPA could be beneficial to enable several photonic integrated circuit applications in next-generation wireless communication.
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来源期刊
Frequenz
Frequenz 工程技术-工程:电子与电气
CiteScore
2.40
自引率
18.20%
发文量
81
审稿时长
3 months
期刊介绍: Frequenz is one of the leading scientific and technological journals covering all aspects of RF-, Microwave-, and THz-Engineering. It is a peer-reviewed, bi-monthly published journal. Frequenz was first published in 1947 with a circulation of 7000 copies, focusing on telecommunications. Today, the major objective of Frequenz is to highlight current research activities and development efforts in RF-, Microwave-, and THz-Engineering throughout a wide frequency spectrum ranging from radio via microwave up to THz frequencies. RF-, Microwave-, and THz-Engineering is a very active area of Research & Development as well as of Applications in a wide variety of fields. It has been the key to enabling technologies responsible for phenomenal growth of satellite broadcasting, wireless communications, satellite and terrestrial mobile communications and navigation, high-speed THz communication systems. It will open up new technologies in communications, radar, remote sensing and imaging, in identification and localization as well as in sensors, e.g. for wireless industrial process and environmental monitoring as well as for biomedical sensing.
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