Search Results - Zhiguo Yu

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    120 GHz Sub-2 V Thin-Film Lithium Niobate Modulators on Silicon Substrate Using Thick Capacitively Loaded Slow Wave Electrodes

    120 GHz Sub-2 V Thin-Film Lithium Niobate Modulators on Silicon Substrate Using Thick Capacitively Loaded Slow Wave Electrodes by Zhiguo Yu, Donghe Tu, Wei Yan, Huan Guan, Lei Jiang, Xuejiao Sun, Zhiyong Li

    Published 2024-01-01

    Electro-optic modulators with large bandwidth and low voltage are crucial for the high-baud-rate digital communication and high-carrier-frequency analog links. Recently, thin-film lithium niobate (TFLN) modulators with sub-1 V voltage and 140 GHz bandwidth have been emerged on the low permittivity s...

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    Advanced Electrode Design for Low-Voltage High-Speed Thin-Film Lithium Niobate Modulators

    Advanced Electrode Design for Low-Voltage High-Speed Thin-Film Lithium Niobate Modulators by Xingrui Huang, Yang Liu, Zezheng Li, Huan Guan, Qingquan Wei, Zhiguo Yu, Zhiyong Li

    Published 2021-01-01

    In this paper, we present a novel transmission line architecture in thin-film lithium niobate (TFLN) platforms to improve the velocity match between the microwave and the optical wave. Compared to conventional coplanar waveguide (CPW), the microwave index (<inline-formula><tex-math notation...

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