Fabry-Perot enhanced Faraday rotation in graphene

We demonstrate that giant Faraday rotation in graphene in the terahertz range due to the cyclotron resonance is further increased by constructive Fabry-Perot interference in the supporting substrate. Simultaneously, an enhanced total transmission is achieved, making this effect doubly advantageous f...

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Vydané v:arXiv.org
Hlavní autori: Ubrig, Nicolas, Crassee, Iris, Levallois, Julien, Nedoliuk, Ievgeniia O, Fromm, Felix, Kaiser, Michl, Seyller, Thomas, Kuzmenko, Alexey B
Médium: Paper
Jazyk:English
Vydavateľské údaje: Ithaca Cornell University Library, arXiv.org 12.10.2013
Predmet:
Cyclotron resonance
Epitaxial growth
Far infrared radiation
Faraday effect
Graphene
Infrared spectra
Interference fringes
Multilayers
Rotation
Substrates
ISSN:2331-8422
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Popis
Shrnutí:We demonstrate that giant Faraday rotation in graphene in the terahertz range due to the cyclotron resonance is further increased by constructive Fabry-Perot interference in the supporting substrate. Simultaneously, an enhanced total transmission is achieved, making this effect doubly advantageous for graphene-based magneto-optical applications. As an example, we present far-infrared spectra of epitaxial multilayer graphene grown on the C-face of 6H-SiC, where the interference fringes are spectrally resolved and a Faraday rotation up to 0.15 radians (9{\deg}) is attained. Further, we discuss and compare other ways to increase the Faraday rotation using the principle of an optical cavity.
Bibliografia:SourceType-Working Papers-1
ObjectType-Working Paper/Pre-Print-1
content type line 50
ISSN:2331-8422
DOI:10.48550/arxiv.1303.1634