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Hybrid Graphene/Silicon Integrated Optical Isolators

Jingwen Ma, Xiang Xi, Zejie Yu, and Xiankai Sun

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Abstract

Optical isolators are a type of non-reciprocal device that allow for unidirectional light transmission by breaking time-reversal symmetry. Incorporating isolators into an integrated platform poses problems because of the large lattice mismatch and thermal incompatibility between the magneto-optical garnets and the substrate. This year, we proposed a hybrid integrated graphene/silicon isolator by exploiting photonic spin–orbit coupling together with graphene’s magneto-optical effect.

© 2016 Optical Society of America

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