Light-induced optomechanical forces in graphene waveguides

We show that the electromagnetic forces generated by the excitations of a mode in graphene-based optomechanical systems are highly tunable by varying the graphene chemical potential, and orders of magnitude stronger than usual non-graphene-based devices, in both attractive and repulsive regimes. We...

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Bibliographic Details
Published in:Physical review. B 2016-03, Vol.93 (11), Article 115427
Main Authors: Guizal, Brahim, Antezza, Mauro
Format: Article
Language:English
Subjects:
Condensed Matter
Devices
Dielectrics
Graphene
Joining
Modulation
Nanostructure
Physics
Quantum Gases
Quantum Physics
Waveguides
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Summary:We show that the electromagnetic forces generated by the excitations of a mode in graphene-based optomechanical systems are highly tunable by varying the graphene chemical potential, and orders of magnitude stronger than usual non-graphene-based devices, in both attractive and repulsive regimes. We analyze coupled waveguides made of two parallel graphene sheets, either suspended or supported by dielectric slabs, and study the interplay between the light-induced force and the Casimir-Lifshitz interaction. These findings pave the way to advanced possibilities of control and fast modulation for optomechanical devices and sensors at the nano- and microscales.
ISSN:2469-9950
2469-9969
DOI:10.1103/PhysRevB.93.115427