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Edge magnetoplasmons for a new type of quantum-well microwave detector
Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media.
2007 (English)In: International Journal of Modern Physics B, ISSN 0217-9792, Vol. 21, no 8-9, 1491-1496 p.Article in journal (Refereed) Published
Abstract [en]

We theoretically study the wavelength and the propagation length of the edge magnetoplasmons (EMP's), running along the edge of a two-dimensional (2D) electron layer in a semiconductor quantum-well structure with and without metallic gates. We show that the metallic gate suppresses the propagation of the EMP's, but the quality factor of the wave (q'/q '', where q' and q '' are the real and imaginary parts of the complex EMP wavevector) can be larger in the gated structures as compared to the structures without the gate. The results may be useful for analysis of operation of the recently discovered microwave detectors and spectrometers operating at liquid nitrogen temperatures (Kukushkin et al., Appl. Phys. Lett. 86, 044101 (2005)).

Place, publisher, year, edition, pages
2007. Vol. 21, no 8-9, 1491-1496 p.
Keyword [en]
Edge magnetoplasmons, Microwave detection and spectroscopy
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:miun:diva-7515ISI: 000251988900056Scopus ID: 2-s2.0-34248637631OAI: oai:DiVA.org:miun-7515DiVA: diva2:127661
Available from: 2008-12-09 Created: 2008-12-09 Last updated: 2016-10-05Bibliographically approved

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