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Controlling and creating plasmonic absorption processes in graphene nanostructures

Brar, Victor W. and Jang, Min S. and Sherrott, Michelle and Kim, Seyoon and Kim, Laura and Choi, Mansoo and Atwater, Harry A. (2014) Controlling and creating plasmonic absorption processes in graphene nanostructures. In: Active Photonic Materials VI. Proceedings of SPIE. No.9162. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, Art. No. 91621C. ISBN 9781628411898. http://resolver.caltech.edu/CaltechAUTHORS:20180706-092617824

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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.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1117/12.2063844DOIArticle
ORCID:
AuthorORCID
Jang, Min S.0000-0002-5683-1925
Sherrott, Michelle0000-0002-7503-9714
Kim, Seyoon0000-0002-8040-9521
Atwater, Harry A.0000-0001-9435-0201
Additional Information:© 2014 Society of Photo-Optical Instrumentation Engineers (SPIE).
Record Number:CaltechAUTHORS:20180706-092617824
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20180706-092617824
Official Citation:Victor W. Brar, Min S. Jang, Michelle Sherrott, Seyoon Kim, Laura Kim, Mansoo Choi, 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); doi: 10.1117/12.2063844; https://doi.org/10.1117/12.2063844
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:87586
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:09 Jul 2018 14:44
Last Modified:09 Jul 2018 14:44

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