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  • Title: Direct coupling of plasmonic and photonic nanowires for hybrid nanophotonic components and circuits.
    Author: Guo X, Qiu M, Bao J, Wiley BJ, Yang Q, Zhang X, Ma Y, Yu H, Tong L.
    Journal: Nano Lett; 2009 Dec; 9(12):4515-9. PubMed ID: 19995088.
    Abstract:
    We report direct coupling of plasmonic and photonic nanowires using ultracompact near-field interaction. Photon-plasmon coupling efficiency up to 80% with coupling length down to the 200 nm level is achieved between individual Ag and ZnO nanowires. Hybrid nanophotonic components, including polarization splitters, Mach-Zehnder interferometers, and microring cavities, are fabricated out of coupled Ag and ZnO nanowires. These components offer relatively low loss with subwavelength confinement; a hybrid nanowire microcavity exhibits a Q-factor of 520.
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