Published August 17, 2014
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Controlling and creating plasmonic absorption processes in graphene nanostructures
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.
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© 2014 Society of Photo-Optical Instrumentation Engineers (SPIE).Attached Files
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Additional details
- Eprint ID
- 87586
- Resolver ID
- CaltechAUTHORS:20180706-092617824
- Created
-
2018-07-09Created from EPrint's datestamp field
- Updated
-
2021-11-15Created from EPrint's last_modified field
- Series Name
- Proceedings of SPIE
- Series Volume or Issue Number
- 9162