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New quantum limits in plasmonic devices
Umeå University.
Umeå University.
Linköping University, Department of Physics, Chemistry and Biology, Theoretical Physics . Linköping University, The Institute of Technology.
University of Maryland.
2008 (English)In: EPL : a letters journal exploring the frontiers of physics, ISSN 0295-5075, Vol. 84, no 1, 17006- p.Article in journal (Refereed) Published
Abstract [en]

Surface plasmon polaritons (SPPs) have recently been recognized as an important future technique for microelectronics. Such SPPs have been studied using classical theory. However, current state-of-the-art experiments are rapidly approaching nanoscales, and quantum effects can then become important. Here we study the properties of quantum SPPs at the interface between an electron quantum plasma and a dielectric material. It is shown that the effect of quantum broadening of the transition layer is most important. In particular, the damping of SPPs does not vanish even in the absence of collisional dissipation, thus posing a fundamental size limit for plasmonic devices. Consequences and applications of our results are pointed out.

Place, publisher, year, edition, pages
2008. Vol. 84, no 1, 17006- p.
National Category
Natural Sciences
URN: urn:nbn:se:liu:diva-17157DOI: 10.1209/0295-5075/84/17006OAI: diva2:202147
Original Publication: M Marklund, G Brodin, Lennart Stenflo and C S Liu, New quantum limits in plasmonic devices, 2008, EPL : a letters journal exploring the frontiers of physics, (84), 1, 17006. Copyright: EDP Sciences. Available from: 2009-03-07 Created: 2009-03-07 Last updated: 2010-06-23

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