Nonlocal scattering tensor due to electromagnetic coupling of surface plasmons to dirac plasmons in graphene

D. H. Huang; O. Roslyak; G. Gumbs; W. Pan; A. A. Maradudin

doi:10.1117/12.2235226

26 September 2016 Nonlocal scattering tensor due to electromagnetic coupling of surface plasmons to dirac plasmons in graphene

D. H. Huang, O. Roslyak, G. Gumbs, W. Pan, A. A. Maradudin

Author Affiliations +

Proceedings Volume 9961, Reflection, Scattering, and Diffraction from Surfaces V; 996104 (2016) https://doi.org/10.1117/12.2235226
Event: SPIE Optical Engineering + Applications, 2016, San Diego, California, United States

Abstract

The electromagnetic coupling of surface-plasmon-polariton (SPP) modes, which are localized around the surface of a conductive substrate, to quantum plasmons in a graphene sheet above the surface is investigated and their hybrid quantum-plasmon modes are analyzed. For a double-layer graphene structure, on the other hand, the interplay between the electromagnetic couplings of SPPs to each graphene sheet is explored. An effective- polarizability tensor for a combined system, including coupled double-layer graphene and conductive substrate, has been derived, which consists of the retarded nonlocal Coulomb interactions between electrons in different graphene sheets and the conductive substrate. Additionally, this calculated effective-scattering tensor can be used for constructing an effective-medium theory to study optical properties of inserted nanorods between the graphene sheets and metallic surface.

Conference Presentation

Citation Download Citation

D. H. Huang, O. Roslyak, G. Gumbs, W. Pan, and A. A. Maradudin "Nonlocal scattering tensor due to electromagnetic coupling of surface plasmons to dirac plasmons in graphene", Proc. SPIE 9961, Reflection, Scattering, and Diffraction from Surfaces V, 996104 (26 September 2016); https://doi.org/10.1117/12.2235226

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