High-Refractive-Index Materials for Giant Enhancement of the Transverse Magneto-Optical Kerr Effect
نویسندگان
چکیده
منابع مشابه
Giant Kerr nonlinearities using refractive-index enhancement
Over the past decade, there has been a growing interest in techniques that achieve significant nonlinear interactions at the single-photon level [1]. These schemes are exciting and important because of both practical and fundamental reasons. Key practical applications include all-optical switches that can operate at an energy cost of a single photon [2] and twoqubit quantum gates between two si...
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Topological insulators can exhibit strong magneto-electric effects when their time-reversal symmetry is broken. In this Letter we consider the magneto-optical Kerr and Faraday effects of a topological insulator thin film weakly exchange coupled to a ferromagnet. We find that its Faraday rotation has a universal value at low frequencies θF=tan(-1)α, where α is the vacuum fine structure constant,...
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ژورنال
عنوان ژورنال: Sensors
سال: 2020
ISSN: 1424-8220
DOI: 10.3390/s20040952