Faraday rotation effect in periodic graphene structure
Daqing Liu, Shengli Zhang, Ning Ma, Xinghua Li
TL;DR
This paper investigates the Faraday rotation effect in a periodic graphene structure, revealing a significantly enhanced magneto-optical response compared to traditional materials, with potential applications in infrared optics.
Contribution
It introduces the magneto-optical rotation in a periodic graphene structure and predicts a Verdet constant much higher than conventional magneto-optical materials.
Findings
Verdet constant is 10-100 times higher than in magneto-optical glass.
Graphene's massless carriers lead to a sensitive magnetic response.
Significant Faraday rotation effect predicted in the infrared region.
Abstract
We report the magneto-optical rotation effect in a periodic graphene-sheet structure. Due to the masslessness of carriers in graphene, the magnetic response is very sensitive and the magneto-optical rotation effect is therefore significant. We predict that the Verdet constant of the periodic graphene-sheet structure is roughly 10-100 times that of rare-earth-doped magneto-optical glass in the infrared region.
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