Controlling and creating plasmonic absorption processes in graphene nanostructures (presentation video)

Victor W. Brar; Min S. Jang; Michelle Sherrott; Seyoon Kim; Laura Kim; Mansoo Choi; Harry A. Atwater

doi:10.1117/12.2063844

17 August 2014 Controlling and creating plasmonic absorption processes in graphene nanostructures (presentation video)

Victor W. Brar, Min S. Jang, Michelle Sherrott, Seyoon Kim, Laura Kim, Mansoo Choi, Harry A. Atwater

Proceedings Volume 9162, Active Photonic Materials VI; 91621C (2014) https://doi.org/10.1117/12.2063844
Event: SPIE NanoScience + Engineering, 2014, San Diego, California, United States

Abstract

In this presentation, it will be shown that the plasmonic absorption of a graphene sheet can be enhanced and perturbed in controllable ways by controlling the thickness and permittivity of the supporting substrate. We will show the results of recent experiments where 25% absorption is achieved in the plasmonic modes of a graphene sheet by carefully selecting the properties of an underlying silicon nitride substrate. We also demonstrate how additional absorption pathways can be created by modifying the surrounding dielectric environment to have optical resonances that can couple to the graphene plasmons.

Citation Download Citation

Victor W. Brar, Min S. Jang, Michelle Sherrott, Seyoon Kim, Laura Kim, Mansoo Choi, and Harry A. Atwater "Controlling and creating plasmonic absorption processes in graphene nanostructures (presentation video)", Proc. SPIE 9162, Active Photonic Materials VI, 91621C (17 August 2014); https://doi.org/10.1117/12.2063844

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