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  4. Bloch Surface Waves Using Graphene Layers: An Approach toward In-Plane Photodetectors
 
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research article

Bloch Surface Waves Using Graphene Layers: An Approach toward In-Plane Photodetectors

Dubey, Richa  
•
Marchena, Miriam
•
Vosoughi Lahijani, Babak
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March 7, 2018
Applied Sciences

A dielectric multilayer platform was investigated as a foundation for two-dimensional optics. In this paper, we present, to the best of our knowledge, the first experimental demonstration of absorption of Bloch surface waves in the presence of graphene layers. Graphene is initially grown on a Cu foil via Chemical Vapor Deposition and transferred layer by layer by a wet-transfer method using poly(methyl methacrylate), (PMMA). We exploit total internal reflection configuration and multi-heterodyne scanning near-field optical microscopy as a far-field coupling method and near-field characterization tool, respectively. The absorption is quantified in terms of propagation lengths of Bloch surface waves. A significant drop in the propagation length of the BSWs is observed in the presence of graphene layers. The propagation length of BSWs in bare multilayer is reduced to 17 times shorter in presence of graphene monolayer, and 23 times shorter for graphene bilayer.

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Type
research article
DOI
10.3390/app8030390
Author(s)
Dubey, Richa  
•
Marchena, Miriam
•
Vosoughi Lahijani, Babak
•
Kim, Myun-Sik
•
Pruneri, Valerio
•
Herzig, Hans
Date Issued

2018-03-07

Published in
Applied Sciences
Volume

8

Issue

3

Start page

390

Subjects

multilayer platform

•

graphene

•

optics at the surface

•

Bloch surface waves

•

scanning

•

near-field optical microscopy

•

surface waves

•

two-dimensional optics

•

optical characterization

Peer reviewed

REVIEWED

Written at

EPFL

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Available on Infoscience
April 16, 2018
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/146012
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