Advanced technologies such as autonomous driving,cloud computing,Internet of Things,and artificial intelligence have considerably increased data demand.Real-time interactions further drive the development of high-spee...Advanced technologies such as autonomous driving,cloud computing,Internet of Things,and artificial intelligence have considerably increased data demand.Real-time interactions further drive the development of high-speed,high-capacity networks.Advancements in communication systems depend on developing high-speed optoelectronic devices.Optical communication systems are rapidly evolving,with data rates advancing from800 Gbps to 1.6 Tbps and beyond,driven by the development of high-performance photodetectors,high-speed modulators,and advanced RF devices.Avalanche photodetectors(APDs) are used in long-distance applications owing to their high internal gain and responsivity.This paper reviews the structural designs of APDs based on various materials for high-speed communication and provides an outlook on developing APDs based on advanced materials.展开更多
基金National Natural Science Foundation of China (62304225)Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences(E40812E4M1)
文摘Advanced technologies such as autonomous driving,cloud computing,Internet of Things,and artificial intelligence have considerably increased data demand.Real-time interactions further drive the development of high-speed,high-capacity networks.Advancements in communication systems depend on developing high-speed optoelectronic devices.Optical communication systems are rapidly evolving,with data rates advancing from800 Gbps to 1.6 Tbps and beyond,driven by the development of high-performance photodetectors,high-speed modulators,and advanced RF devices.Avalanche photodetectors(APDs) are used in long-distance applications owing to their high internal gain and responsivity.This paper reviews the structural designs of APDs based on various materials for high-speed communication and provides an outlook on developing APDs based on advanced materials.