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High-Gain On-Chip Antenna Design on Silicon Layer with Aperture Excitation for Terahertz Applications

Alibakhshikenari, Mohammad, Virdee, Bal S., Khalily, Mohsen, See, Chan H., Abd-Alhameed, Raed, Falcone, Francisco, Denidni, Tayeb A. and Limiti, Ernesto (2020) High-Gain On-Chip Antenna Design on Silicon Layer with Aperture Excitation for Terahertz Applications IEEE Antennas and Wireless Propagation Letters.

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This article investigates the feasibility of designing a high-gain on-chip antenna on silicon technology for sub-terahertz applications over a wide frequency range. High-gain is achieved by exciting the antenna using an aperture fed mechanism to couple electromagnetics energy from a metal slot-line, which is sandwiched between the silicon and polycarbonate substrates, to a 15-element array comprising circular and rectangular radiation patches fabricated on the top surface of the polycarbonate layer. An open ended microstrip line, which is orthogonal to the metal slot-line, is implemented on the underside of the silicon substrate. When the open ended microstrip line is excited it couples the signal to the metal slot-line which is subsequently coupled and radiated by the patch array. Measured results show the proposed on-chip antenna exhibits a reflection coefficient of less than -10 dB across 0.290 THz to 0.316 THz with a highest gain and radiation efficiency of 11.71 dBi and 70.8%, respectively, occurred at 0.3THz. The antenna has a narrow stopband between 0.292 THz to 0.294 THz. The physical size of the presented sub-terahertz on-chip antenna is 20×3.5×0.126mm3.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
Alibakhshikenari, Mohammad
Virdee, Bal S.
See, Chan H.
Abd-Alhameed, Raed
Falcone, Francisco
Denidni, Tayeb A.
Limiti, Ernesto
Date : 2020
Funders : Engineering and Physical Sciences Research Council (EPSRC), European Union's Horizon 2020
Copyright Disclaimer : © 2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Uncontrolled Keywords : Terahertz (THz) On-chip antenna; Coupling feeding mechanism; Terahertz applications; High gain; Silicon technology; Wide frequency range
Related URLs :
Depositing User : Clive Harris
Date Deposited : 21 Jul 2020 11:29
Last Modified : 21 Jul 2020 11:29

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