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arXiv · 1808.09850

Strong magneto-optical response enabled by quantum two level systems

Lei Ying·Ming Zhou·Xiaoguang Luo·Jingfeng Liu·Zongfu Yu
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Abstract

The magneto-optical effect breaks time-reversal symmetry, a unique property that makes it indispensable in nonreciprocal optics and topological photonics. Unfortunately, all natural materials have a rather weak magneto-optical response in the optical frequency range, posing a significant challenge to the practical application of many emerging device concepts. Here we theoretically propose a composite material system that exhibits an intrinsic magneto-optical response orders of magnitude stronger than most magneto-optical materials used today. This is achieved by tailoring the resonant interplay between the quantum electrodynamics of electronic transitions in two-level systems and the classical electromagnetic response of local plasmon resonance.

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Lei Ying, Ming Zhou, Xiaoguang Luo, Jingfeng Liu, Zongfu Yu. 2018-09-21. Strong magneto-optical response enabled by quantum two level systems. https://doi.org/10.1364/optica.5.001156

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