Improving the quality factor of the coplanar waveguide resonator

Maricar, M. I., Khalid, A. , Cumming, D. S.R. and Oxley, C. H. (2015) Improving the quality factor of the coplanar waveguide resonator. Microwave and Optical Technology Letters, 57(6), pp. 1323-1325. (doi:10.1002/mop.29082)

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Abstract

A novel method of introducing a notch at a point of high magnetic field in a coplanar waveguide (cpw) radial and diamond stub resonator to increase the quality factor (Q) was analysed. For comparison both radial and diamond shaped cpw resonators with and without notches were fabricated on gallium arsenide (GaAs) semi-insulating substrate at the James Watt Nanofabrication Centre and tested in the milli-metric laboratory at University of Glasgow. The notch increased the loaded Q factor of the diamond resonator by approximately 28% and good agreement was obtained between the measured and simulated loaded Q for both cpw radial and diamond resonators.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Cumming, Professor David and Khalid, Dr Ata-ul-Habib
Authors: Maricar, M. I., Khalid, A., Cumming, D. S.R., and Oxley, C. H.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:Microwave and Optical Technology Letters
Publisher:Wiley
ISSN:0895-2477
ISSN (Online):1098-2760
Copyright Holders:Copyright © 2015 Wiley Periodicals, Inc.
First Published:First published in Microwave and Optical Technology Letters 57(6):1323-1325
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
497131Novel Thermal Management Concepts: High Power High Frequency Planar Gunn DiodeDavid CummingEngineering & Physical Sciences Research Council (EPSRC)EP/H011862/1ENG - ENGINEERING ELECTRONICS & NANO ENG