Reference : Numerical study of high impedance T-match antennas for terahertz photomixers

	Document type :	Scientific journals : Article
	Discipline(s) :	Engineering, computing & technology : Electrical & electronics engineering
	To cite this reference:	http://hdl.handle.net/10993/21906

Title :	Numerical study of high impedance T-match antennas for terahertz photomixers
Language :	English
Author, co-author :	Juul, Lars [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
	Mikulics, Martin [Peter Grünberg Institute (PGI-9), Forschungszentrum Jülich, D-52425 Jülich, Germany and Jülich-Aachen Research Alliance, JARA, Fundamentals of Future Information Technology, Germany]
	Pereira, Mauro F. [Materials and Engineering Research Institute, Sheffield Hallam University, Sheffield S1 1WB, UK]
	Marso, Michel [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
Publication date :	2015
Journal title :	Optical and Quantum Electronics
Volume :	47
Pages :	913-922
Peer reviewed :	Yes (verified by ORBilu)
Audience :	International
ISSN :	0306-8919
Keywords :	[en] Photoconductor impedance ; Terahertz photomixer ; Numerical simulation ; T-match antenna
Abstract :	[en] This paper outlines an efficient numerical method to design terahertz photomixers. The simulations are benchmarked using measured power levels from results published in the literature. Next, the method is applied to two new photomixer designs based on the high impedance T-match antenna with bias supply DC-blocking structures for either a uniplanar layout or amultilayer structure for improved device reliability. Manufacturability is favoured by avoiding the use of airbridges, substrate thinning or under-etching. The estimated output power of the improved design is 9.0μW, which is an improvement of three times over the reference photomixer.
Permalink :	http://hdl.handle.net/10993/21906
DOI :	10.1007/s11082-014-0048-3

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