摘要
Photonic signal processing offers a versatile and promising toolkit for contemporary scenarios ranging from digital optical communication to analog microwave operation.Compared to its electronic counterpart,it eliminates inherent bandwidth limitations and meanwhile exhibits the potential to provide unparalleled scalability and flexibility,particularly through integrated photonics.However,by far the on-chip solutions for optical signal processing are often tailored to specific tasks,which lacks versatility across diverse applications.Here,we propose a streamlined chip-level signal processing architecture that integrates different active and passive building blocks in silicon-on-insulator(SOI)platform with a compact and efficient manner.Comprehensive and in-depth analyses for the architecture are conducted at levels of device,system,and application.Accompanied by appropriate configuring schemes,the photonic circuitry supports loading and processing both analog and digital signals simultaneously.Three distinct tasks are facilitated with one single chip across several mainstream fields,spanning optical computing,microwave photonics,and optical communications.Notably,it has demonstrated competitive performance in functions like image processing,spectrum filtering,and electro-optical bandwidth equalization.Boasting high universality and a compact form factor,the proposed architecture is poised to be instrumental for next-generation functional fusion systems.
基金
supported by the National Key Research and Development Program of China(2022YFB2803700)
the National Natural Science Foundation of China(62235002,62322501,12204021,62105008,62235003,and 62105260)
Beijing Municipal Science and Technology Commission(Z221100006722003)
Beijing Municipal Natural Science Foundation(Z210004)
China Postdoctoral Science Foundation(2021T140004)
Major Key Project of PCL,the Natural Science Basic Research Program of Shaanxi Province(2022 JQ-638)
Young Talent fund of University Association for Science and Technology in Shaanxi,China(20220135)
Young Talent fund of Xi'an Association for science and technology(095920221308).
