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Nonblocking 2 × 2 switching unit based on nested silicon microring resonators with high extinction ratios and low crosstalks

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分类：TN929.11[电子电信—通信与信息系统;电子电信—信息与通信工程] TP316.7[自动化与计算机技术—计算机软件与理论;自动化与计算机技术—计算机科学与技术]
作者机构：[1]State Key Laboratory of Advanced Optical CommunicationSystems and Networks, Department of Electronic Engineering,Shanghai Jiao Tong University, Shanghai 200240, China
相关基金：This work was supported in part by the National Natural Science Foundation of China （61125504 and 61235007）, in part by MoE Grant （20110073110012）, and in part by Minhang Talent Program.

作者： Jiayang Wu Xinhong Jiang Ting Pan Pan Cao Liang Zhang Xiaofeng Hu Yikai Su[1]

关键词：切换功能, 消光比, 谐振器, 微环, 嵌套, 非阻塞, 串音, 器具, Optical switching unit , Microringresonator , High extinction ratio, Low crosstalk

中文摘要：

在这份报纸，我们求婚并且示威一 2 ? T

英文摘要：

In this paper, we propose and demonstrate a 2 × 2 optical Benes switching unit based on two nested silicon microring resonators （MRRs） monolithically integrated on a silicononinsulator （SOI） wafer. High extinction ratios （ERs） of about 44.7/38.0 dB and low crosstalk values of about -37.5/-45.2 dB at cross/bar states are obtained with the fabricated device. The operation principle is theoretically studied and the switching function is verified by system demonstration experiments with 10 and 12.5 Gb/s nonreturntozero （NRZ） signals. The switching speed on the order of gigahertz based on free carrier effect in silicon is also experimentally demonstrated.

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