12 January 2018 Nonreciprocal optical propagation by magnetic tamm plasmon polaritons
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We have proposed and realized nonreciprocal light propagation by a structure consisting of graphene photonic crystal and magneto-optical semiconductor. The nonreciprocal transmission is caused by magnetic Tamm plasmon polaritons which exit on the interface of graphene photonic crystal and magneto-optical material. Transmission spectrum is investigated to analyze the influence of structural parameters, external magnetic field, and graphene chemical potential on magnetic Tamm plasmon polaritons. We show that it is possible to realize active control on unidirectional light by altering external magnetic field and graphene chemical potential. And one-way transmission can be easily switched from forward to backward propagation.
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Xiaobin Ren, Xiaobin Ren, Kun Ren, Kun Ren, Yumeng He, Yumeng He, "Nonreciprocal optical propagation by magnetic tamm plasmon polaritons", Proc. SPIE 10622, 2017 International Conference on Optical Instruments and Technology: Micro/Nano Photonics: Materials and Devices, 106220N (12 January 2018); doi: 10.1117/12.2296527; https://doi.org/10.1117/12.2296527

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