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Updated: May 11, 2026
08:01
Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
Published on: November 21, 2019
Non-reciprocal magnetoplasmon graphene coupler.
Nima Chamanara1, Dimitrios Sounas, Christophe Caloz
1Poly-Grames Research Center, École Polytechnique de Montréal, Montréal, Québec H3T 1J4, Canada. nima.chamanara@polymtl.ca
Optics Express
|May 15, 2013
Summary
This study presents a novel non-reciprocal magnetoplasmon graphene coupler. It utilizes graphene
Area of Science:
- Physics
- Materials Science
- Electrical Engineering
Background:
- Graphene exhibits unique edge magnetoplasmon modes.
- Non-reciprocity is crucial for directional signal propagation.
Purpose of the Study:
- To design and demonstrate a non-reciprocal coupler using graphene.
- To leverage edge magnetoplasmon non-reciprocity for one-directional coupling.
Main Methods:
- Utilizing two coplanar parallel magnetically biased graphene strips.
- Analyzing the wavenumber of edge magnetoplasmon modes in forward and backward directions.
Main Results:
- The proposed coupler demonstrates non-reciprocal coupling.
- Forward coupling occurs due to identical wavenumbers of adjacent edge modes.
- Backward coupling is suppressed by differing wavenumbers of adjacent edge modes.
Conclusions:
- The designed graphene coupler effectively achieves one-directional signal transmission.
- This work enables new possibilities for isolators and circulators in graphene-based devices.
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