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Please use this identifier to cite or link to this item: http://dspace.cityu.edu.hk/handle/2031/9575
Title: Photo conductive antennas for terahertz generation
Authors: Yan, Boxun (閆博迅)
Department: Department of Electrical Engineering
Issue Date: 2022
Course: EE4080 Project
Programme: Bachelor of Engineering (Honours) in Electronic and Communication Engineering
Supervisor: Prof. Chan, Chi Hou
Citation: Yan, B. (2022). Photo conductive antennas for terahertz generation (Outstanding Academic Papers by Students (OAPS), City University of Hong Kong).
Abstract: Terahertz wave lies at the frontier of RF electromagnetism, serving as a transition to infrared photonics. Terahertz technology has been widely used in industrial quality control, security imaging, and high-speed communications, and terahertz waves can be generated using the opto-electronic solution by photoconductive antenna. This project aims to provide enhancement over conventional photoconductive antenna. Numerical simulations have been carried out with experimental validation. The proposed multiphysics numerical simulation methodology e ectively resolves problem by decoupling optical response to semiconductor physics, providing an integrated platform to carry out THz radiation computation for further studies. Graphene- and plasmonic-enhanced bow-tie photoconductive antenna has been numerically investigated, supported by fabrication and measurement. The experiment shows a 72% enhancement with graphene. A novel spiral antenna has been proposed, fabricated, and tested.
Appears in Collections:OAPS - Dept. of Electrical Engineering 

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