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Volume 25 - ICOP & ICPET 2019                   ICOP & ICPET _ INPC _ ICOFS 2019, 25 - ICOP & ICPET 2019: 301-304 | Back to browse issues page

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Ghezelsefloo M, Moravvej farshi M K, Darbari S. Investigation of Excitation and Active Control of Plasmonic Waves in Graphene. ICOP & ICPET _ INPC _ ICOFS 2019; 25 :301-304
URL: http://opsi.ir/article-1-1884-en.html
1- Faculty of Electrical and Computer Engineering, Tarbiat Modares University, Tehran 1411713116, Iran
Abstract:   (1639 Views)

In this paper, we propose an active device for excitation of plasmonic waves in graphene. In the proposed structure, highly confined plasmonic waves in graphene are excited using a Germanium based grating. Sharp dips on the normal-incidence transmission spectra at the resonance wavelength confirms excitation of graphene surface plasmons. This structure can be uses as a highly tunable optical filter or as a broadband modulator, because the resonant wavelength can be tuned over a wide wavelength range by a small change in the Fermi energy level of the graphene.

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Type of Study: Research | Subject: Special

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