Multifunctional integration on optical fiber tips: challenges and opportunities

作     者：Yifeng Xiong Fei Xu 

作者机构：Nanjing UniversityCollege of Engineering and Applied SciencesNanjingChina 

出 版 物：《Advanced Photonics》 (先进光子学（英文）)

年 卷 期：2020年第2卷第6期

页      面：23-46页

核心收录：

学科分类：070207[理学-光学] 07[理学] 0702[理学-物理学] 

基　　金：This work was sponsored by the National Natural Science Foundation of China(61925502 and 61535005) the National Key R&D Program of China(2017YFA0303700 and 2017YFA0700503) We thank Professor J.H.Chen for help in the preparation of the manuscript.The authors declare no competing interests 

主　　题：optical fibers fiber tips optical devices nanotechnology micro-optics nano-optics. 

摘      要：.The flat endface of an optical fiber tip is an emerging light-coupled microscopic platform that combines fiber optics with planar micro-and *** different materials and structures are integrated onto the endfaces,optical fiber tip devices have miniature sizes,diverse integrated functions,and low insertion losses,making them suitable for all-optical *** recent decades,the increasing demand for multifunctional optical fibers has created opportunities to develop various structures on fiber ***,the unconventional shape of optical fibers presents challenges involving the adaptation of standard planar micro-and nanostructure preparation strategies for fiber *** this context,researchers are committed to exploring and optimizing fiber tip manufacturing techniques,thereby paving the way for future integrated all-fiber devices with multifunctional ***,we present a broad overview of current fabrication technologies,classified as“top-down,“bottom-up,and“material transfermethods,for patterning optical fiber ***,we review typical structures integrated on fiber tips and their known and potential applications,categorized with respect to functional structure configurations,including“optical functionalizationand“electrical integration.Finally,we discuss the prospects for future opportunities involving multifunctional integrated fiber tips.