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Chalcogenide glass photonic integration for improved 2μm optical interconnection

查看全文 作　　者：WEIHONG [1]SHEN;PINGYANG [2]ZENG;ZELIN [2]YANG;DI [2]XIA;JIANGBING [1]DU;BIN [2]ZHANG;KE [3]XU;ZUYUAN [1]HE;AND ZHAOHUI [2,4]LI 高影响力作者 机构地区：[1]State Key Laboratory of Advanced Optical Communication Systems and Networks,Shanghai Jiao Tong University,Shanghai 200240,China;[2]State Key Laboratory of Optoelectronic Materials and Technologies,School of Electronics and Information Technology,Sun Yat-sen University,Guangzhou 510275,China;[3]Department of Electronic and Information Engineering,Harbin Institute of Technology(Shenzhen),Shenzhen 518055,China;[4]Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai),Zhuhai 519000,China高影响力机构 出　　处：《Photonics Research》索引2020年第8卷第9期,共7页高影响力期刊 基　　金：National Key Research and Development Program of China(2018YFB1801004);Ministry of Science and Technology of the People’s Republic of China(2018YFB1801003);National Natural Science Foundation of China(61675128,61875049,61875124,61935011,61975242);Guangzhou Science and Technology Program key projects(201904020048);Pearl River S&T Nova Program of Guangzhou(2017BT01X121);Science and Technology Planning Project of Guangdong Province(2019A1515010774)。 摘　　要：In this work,on-chip chalcogenide glass photonic integrations with several fundamental photonic building blocks are designed and fabricated based on the As2 S3 platform for improved 2μm optical interconnection,achieving a broadened wavelength bandwidth and improved fabrication tolerance.A 600 nm thick As2 S3 strip waveguide has low propagation loss of 1.447 dB/cm at 2μm.Broadband vertical coupling is realized by a grating coupler with 4.3 dB coupling loss.A Bragg grating filter,power splitter,Mach–Zander interferometer,and mode converter for on-chip mode division multiplexing(MDM)are also reported at 2μm with reliable performances.Finally,a record high MDM optical interconnection capacity of 3×80 Gbps at 2μm is experimentally demonstrated based on the proposed As2 S3 chip,drawing promising prospects for future photonic integration and high-speed interconnection at the 2μm waveband. 关 键 词：2μm INTERCONNECTION OPTICAL
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