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用于波长、偏振和模式信号处理的硅光子器件
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摘要
我们实验演示了硅基光子学的片上光学滤波,偏振分束、旋转,以及模式复用及开关功能。首先我们演示二种基于萨格纳克环的反射特性实现的硅基片上光学滤波结构,包括一个波长和带宽同时可调的梳状滤波器【1】和光交叉波分复用器【2】。然后我们讨论一个基于反向光栅辅助定向耦合器的硅基偏振分束器【3】,该偏振分束器具有30 d B高消光比,此外我们介绍一个只有8.77微米耦合长度的超紧凑硅基偏振分束与旋转器【4】。随后我们提出片上波长、模式和偏振的光学开关。我们实现了一个具有超小体积的2×2的热光开关【5】,可以达到1.23纳米/毫瓦的高调节效率和低至0.16毫瓦的开关能量。最后,我们提出和演示一个同时具有片上模式和偏振选择性的光开关结构【6】,并实现了1×2和2×2的模式和偏振光开关。
引文
1.Xinhong Jiang,Jiayang Wu,Yuxing Yang,Ting Pan,Junming Mao,Boyu Liu,Ruili Liu,Yong Zhang,Ciyuan Qiu,Christine Tremblay,and Yikai Su,"Wavelength and bandwidth-tunable silicon comb filter based on Sagnac loop mirrors with Mach-Zehnder interferometer couplers,"Optics Express,Vol.24,No.3,2016,pp.2183-2188.
    2.Xinhong Jiang,Yuxing Yang,Boyu Liu,Yong Zhang,Ciyuan Qiu,and Yikai Su,"Compact Silicon Photonic Interleaver Using an Interfering Loop Containing a Fabry-Perot Cavity Formed by Sagnac Loop Mirrors,"in Proc.ECOC,2016,Th1B.3.
    3.Yong Zhang,Yu He,Jiayang Wu,Xinhong Jiang,Ruili Liu,Ciyuan Qiu,Xiaoqing Jiang,Jianyi Yang,Christine Tremblay,and Yikai Su,"High-extinction-ratio silicon polarization beam splitter with tolerance to waveguide width and coupling length variations,"Optics Express,Vol.24,No.6,2016,pp.6586-6593.
    4.Yong Zhang,Yu He,Xinhong Jiang,Boyu Liu,Ciyuan Qiu,Yikai Su,and Richard A.Soref,"Ultracompact and highly efficient silicon polarization splitter and rotator,"APL Photonics,Vol.1,No.9,2016,pp.091304.
    5.Huanying Zhou,Ciyuan Qiu,Xinhong Jiang,Yu He,Yong Zhang,Yikai Su,and Richard Soref,"Compact,submilliwatt,2×2 silicon thermo-optic switch based on photonic crystal nanobeam cavities,"Photonics Research,Vol.5,No.2,2017,pp.108-112.
    6.Yong Zhang,Qingming Zhu,Yu He,Ciyuan Qiu,Yikai Su,and Richard Soref,"Silicon 1×2Mode-and Polarization-selective Switch,"in Proc.OFC,2017,W4E.2.

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