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Emergence of THz technologies and design and optimisation low-loss waveguides and devices

Rahman, B. M., Uthman, M., Quadir, A. , Grattan, K. T. V., Markides, C. & Themistos, C. (2015). Emergence of THz technologies and design and optimisation low-loss waveguides and devices. In: Electrical and Computer Engineering (ICECE), 2014 International Conference on. (pp. 389-393). IEEE. doi: 10.1109/ICECE.2014.7026819


THz is an emerging technology with many important applications in imaging and sensing, but due to lack of suitable low-loss waveguides future progress can be limited. A rigorous full-vectorial modal solution approach based on the computationally efficient finite element method is used to find the propagation properties of THz waveguides. Design approaches are presented to reduce the modal loss of such waveguides. Designs of several THz devices, including quantum cascade lasers, power splitters and narrow-band filters are also presented.

Publication Type: Book Section
Additional Information: © 2014 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.
Publisher Keywords: Finite Element Method, Terahertz Waveguides, THz Devices
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Departments: School of Science & Technology > Engineering
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