Contactless integrated photonic probes:fundamentals,characteristics,and applications

作     者：Guangze Wu Yuanjian Wan Zhao Wang Xiaolong Hu Jinwei Zeng Yu Zhang Jian Wang 

作者机构：Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic InformationHuazhong University of Science and TechnologyWuhan 430074China Optics Valley LaboratoryWuhan 430074China School of Precision Instrument and Optoelectronic EngineeringTianjin UniversityTianjin 300072China Key Laboratory of Optoelectronic Information Science and TechnologyMinistry of EducationTianjin 300072China 

出 版 物：《Frontiers of Optoelectronics》 (光电子前沿（英文版）)

年 卷 期：2024年第17卷第3期

页      面：69-82页

核心收录：

学科分类：080901[工学-物理电子学] 0809[工学-电子科学与技术（可授工学、理学学位）] 08[工学] 080401[工学-精密仪器及机械] 0804[工学-仪器科学与技术] 0803[工学-光学工程] 

基　　金：supported by the National Natural Science Foundation of China(NSFC)(62125503,62261160388) the Natural Science Foundation of Hubei Province of China(2023AFA028) 

主　　题：Contactless integrated photonic probes Photonic integrated circuits Silicon photonics Optical monitoring Feedback control 

摘      要：On-chip optical power monitors are indispensable for functional implementation and stabilization of large-scale and complex photonic integrated circuits(PICs).Traditional on-chip optical monitoring is implemented by tapping a small portion of optical power from the waveguide,which leads to signifcant *** to its advantages like non-invasive nature,miniaturization,and complementary metal-oxide-semiconductor(CMOS)process compatibility,a transparent monitor named the contactless integrated photonic probe(CLIPP),has been attracting great attention in recent *** CLIPP indirectly monitors the optical power in the waveguide by detecting the conductance variation of the local optical waveguide caused by the surface state absorption(SSA)*** this review,we frst introduce the fundamentals of the CLIPP including the concept,the equivalent electric model and the impedance read-out method,and then summarize some characteristics of the ***,the functional applications of the CLIPP on the identifcation and feedback control of optical signal are discussed,followed by a brief outlook on the prospects of the CLIPP.