| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Surface Plasmon and Fabry–Perot Enhanced Magneto-Optical Kerr Effect in Graphene Microribbons |
| CHEN Tuo, LU Xuan-Hui** |
Department of Physics, Zhejiang University, Hangzhou 310027
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| Cite this article: |
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CHEN Tuo, LU Xuan-Hui 2015 Chin. Phys. Lett. 32 024204 |
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Abstract A single sheet of graphene exhibits the ability to turn polarization of light by several degrees in modest magnetic fields. Here we demonstrate that giant angle rotation in graphene in the terahertz range can be realized and further increased by the introduction of surface plasmon and constructive Fabry–Pérot interference with the supporting substrate. The maximum Kerr rotation angle is up to 15° in a single layer of graphene ribbons at 6 THz for the applied magnetic field 4 T. Such a magnification in magneto-optical Kerr effect can be realized in a fairly large incident angle.
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Published: 20 January 2015
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