High-speed optoelectronic devices  

作　　者：Yi LUO Changzheng SUN Bing XIONG Jian WANG Zhibiao HAO Yanjun HAN Hongtao LI Lai WANG 

机构地区：[1]Beijing National Research Center for Information Science and Technology(BNRist),Department of Electronic Engineering,Tsinghua University,Beijing 100084,China

出　　处：《Science China(Information Sciences)》2023年第5期1-23,共23页中国科学（信息科学）（英文版）

基　　金：supported in part by National Key R&D Program of China(Grant No.2018YFB2201701);National Natural Science Foundation of China(Grant Nos.62235005,62127814,61975093,61927811,61991443,61822404,61974080,61904093,61875104);Key Lab Program of BNRist(Grant No.BNR2019ZS01005);China Postdoctoral Science Foundation(Grant No.2019T120090);Collaborative Innovation Center of Solid-State Lighting and Energy-Saving Electronics。

摘　　要：High-speed optoelectronic devices are key components of modern fiber communication systems,and the backbone of information technology.In this paper,we present our work on high-speed devices over the past decades,including high-performance semiconductor lasers and integrated light sources,wideband electrooptic modulators,high saturation power photodetectors,and their applications in both fiber communications and microwave photonics.Gain-coupled distributed feedback(DFB)lasers were fabricated with high singlemode yield.Electroabsorption modulated lasers(EMLs)were demonstrated based on identical epitaxial layer integration scheme,including single channel 40 Gb/s EMLs,and 4×25 and 4×56 Gb/s EML arrays.Both In P and thin-film lithium niobate based low half-wave voltage electro-optic modulators with modulation bandwidth over 40 GHz were demonstrated.Back-illuminated modified uni-traveling-carrier photodetectors(MUTC-PDs)with high saturation power and bandwidth exceeding 100 GHz were developed.Applications of high-speed optoelectronic devices in fiber-optic links and sub-THz wave generation are presented.

关 键 词：optoelectronic devices semiconductor lasers optical modulators PHOTODETECTORS integrated photonic circuits 

分 类 号：TN15[电子电信—物理电子学]