The "lab-on-fiber" concept envisions novel and highly functionalized technological platforms completely integrated in a single optical fiber that would allow the development of advanced devices, components and sub-s...The "lab-on-fiber" concept envisions novel and highly functionalized technological platforms completely integrated in a single optical fiber that would allow the development of advanced devices, components and sub-systems to be incorporated in modem optical systems for communication and sensing applications. The realization of integrated optical fiber devices requires that several structures and materials at nano- and micro-scale are constructed, embedded and connected all together to provide the necessary physical connections and light-matter interactions. This paper reviews the strategies, the main achievements and related devices in the lab-on-fiber roadmap discussing perspectives and challenges that lie ahead.展开更多
Side polished fiber(SPF)has a controllable average roughness and length of the side-polishing region,which becomes a versatile platform for integrating multiple materials to interact with the evanescent field to fabri...Side polished fiber(SPF)has a controllable average roughness and length of the side-polishing region,which becomes a versatile platform for integrating multiple materials to interact with the evanescent field to fabricate all-fiber devices and sensors.It has been widely used in couplers,filters,polarizers,optical attenuators,photodetectors,modulators,and sensors for temperature,humidity,strain,biological molecules,chemical gas,and vector magnetic monitoring.In this article,an overview of the development history,fabrication techniques,fiber types,transmission characteristics,and varied recent applications of SPFs are reviewed.Firstly,the fabrication techniques of SPFs are reviewed,including the V-groove assisted polishing technique and wheel polishing technique.Then,the different types of SPFs and their characteristics are discussed.Finally,various applications of SPFs are discussed and concluded theoretically and experimentally,including their principles and structures.When designing the device,the residual thickness and polishing lengths of the SPF need to be appropriately selected in order to obtain the best performance.Developing all-fiber devices and sensors is aimed at practical usability under harsh environments and allows to avoid the high coupling loss between optical fibers and on-chip integrated devices.展开更多
This paper reports a simple and economical method for the fabrication of nanopatterned optical fiber nanotips.The proposed patterning approach relies on the use of the nanosphere lithography of the optical fiber end f...This paper reports a simple and economical method for the fabrication of nanopatterned optical fiber nanotips.The proposed patterning approach relies on the use of the nanosphere lithography of the optical fiber end facet.Polystyrene(PS)nanospheres are initially self-assembled in a hexagonal array on the surface of water.The created pattern is then transferred onto an optical fiber tip(OFT).The PS monolayer colloidal crystal on the OFT is the basic building block that is used to obtain different periodic structures by applying further treatment to the fiber,such as metal coating,nanosphere size reduction and sphere removal.Ordered dielectric and metallo-dielectric sphere arrays,metallic nanoisland arrays and hole-patterned metallic films with feature sizes down to the submicron scale are achievable using this approach.Furthermore,the sizes and shapes of these periodic structures can be tailored by altering the fabrication conditions.The results indicate that the proposed self-assembly approach is a valuable route for the development of highly repeatable metallo-dielectric periodic patterns on OFTs with a high degree of order and low fabrication cost.The method can be easily extended to simultaneously produce multiple fibers,opening a new route to the development of fiber-optic nanoprobes.Finally,we demonstrate the effective application of the patterned OFTs as surface-enhanced Raman spectroscopy nanoprobes.展开更多
多功能高集成化全光纤器件促进了纤上实验室技术(Lab on fiber)的发展。制造阶段的快速进步为多功能即插即用光纤平台开辟了新的途径,研究人员致力于探索和优化纤上实验室器件制备技术以展示纤上实验室元件在许多应用场景中的潜力。回...多功能高集成化全光纤器件促进了纤上实验室技术(Lab on fiber)的发展。制造阶段的快速进步为多功能即插即用光纤平台开辟了新的途径,研究人员致力于探索和优化纤上实验室器件制备技术以展示纤上实验室元件在许多应用场景中的潜力。回顾了纤上实验室传感技术的分类并对纤端微纳结构的制备工艺进行了总结,包括物理和化学加工方法,随后讨论了基于纤端超表面的纤上实验室器件制备技术的研究进展以及技术发展过程中存在的难点和要点,阐明了构建多功能高集成度多应用场景的纤上实验室传感器件的策略。纤上实验室技术已经取得了显著的成果,这表明多功能高集成化全光纤器件未来能够在物理和生化参数监测、微粒捕获及光场调控等众多场景中发挥核心作用。展开更多
文摘The "lab-on-fiber" concept envisions novel and highly functionalized technological platforms completely integrated in a single optical fiber that would allow the development of advanced devices, components and sub-systems to be incorporated in modem optical systems for communication and sensing applications. The realization of integrated optical fiber devices requires that several structures and materials at nano- and micro-scale are constructed, embedded and connected all together to provide the necessary physical connections and light-matter interactions. This paper reviews the strategies, the main achievements and related devices in the lab-on-fiber roadmap discussing perspectives and challenges that lie ahead.
基金supported by the National Natural Science Foundation of China(Grant Nos.12174155,61705086,61675092,and 62075088)National Key Research and Development Program of China(Grant Nos.2021YFB2800801 and 2018YFB1801900)+7 种基金Natural Science Foundation of Guangdong Province for Distinguished Young Scholar(Grant No.2020B1515020024)Natural Science Foundation of Guangdong Province(Grant Nos.2017A030313375and 2019A1515011380)Key-Area Research and Development Program of Guangdong Province(Grant No.2019B010138004)Project of Guangzhou Industry Leading Talents(Grant No.CXLJTD-201607)Aeronautical Science Foundation of China(Grant Nos.201708W4001 and 201808W4001)Project of STRPAT of EC Laboratory(Grant No.ZHD201902)TESTBED2(Grant No.H2020-MSCA-RISE-2019)Jinan Outstanding Young Scholar Support Program(Grant Nos.JNSBYC-2020040 and JNSBYC-2020117).
文摘Side polished fiber(SPF)has a controllable average roughness and length of the side-polishing region,which becomes a versatile platform for integrating multiple materials to interact with the evanescent field to fabricate all-fiber devices and sensors.It has been widely used in couplers,filters,polarizers,optical attenuators,photodetectors,modulators,and sensors for temperature,humidity,strain,biological molecules,chemical gas,and vector magnetic monitoring.In this article,an overview of the development history,fabrication techniques,fiber types,transmission characteristics,and varied recent applications of SPFs are reviewed.Firstly,the fabrication techniques of SPFs are reviewed,including the V-groove assisted polishing technique and wheel polishing technique.Then,the different types of SPFs and their characteristics are discussed.Finally,various applications of SPFs are discussed and concluded theoretically and experimentally,including their principles and structures.When designing the device,the residual thickness and polishing lengths of the SPF need to be appropriately selected in order to obtain the best performance.Developing all-fiber devices and sensors is aimed at practical usability under harsh environments and allows to avoid the high coupling loss between optical fibers and on-chip integrated devices.
文摘This paper reports a simple and economical method for the fabrication of nanopatterned optical fiber nanotips.The proposed patterning approach relies on the use of the nanosphere lithography of the optical fiber end facet.Polystyrene(PS)nanospheres are initially self-assembled in a hexagonal array on the surface of water.The created pattern is then transferred onto an optical fiber tip(OFT).The PS monolayer colloidal crystal on the OFT is the basic building block that is used to obtain different periodic structures by applying further treatment to the fiber,such as metal coating,nanosphere size reduction and sphere removal.Ordered dielectric and metallo-dielectric sphere arrays,metallic nanoisland arrays and hole-patterned metallic films with feature sizes down to the submicron scale are achievable using this approach.Furthermore,the sizes and shapes of these periodic structures can be tailored by altering the fabrication conditions.The results indicate that the proposed self-assembly approach is a valuable route for the development of highly repeatable metallo-dielectric periodic patterns on OFTs with a high degree of order and low fabrication cost.The method can be easily extended to simultaneously produce multiple fibers,opening a new route to the development of fiber-optic nanoprobes.Finally,we demonstrate the effective application of the patterned OFTs as surface-enhanced Raman spectroscopy nanoprobes.
文摘多功能高集成化全光纤器件促进了纤上实验室技术(Lab on fiber)的发展。制造阶段的快速进步为多功能即插即用光纤平台开辟了新的途径,研究人员致力于探索和优化纤上实验室器件制备技术以展示纤上实验室元件在许多应用场景中的潜力。回顾了纤上实验室传感技术的分类并对纤端微纳结构的制备工艺进行了总结,包括物理和化学加工方法,随后讨论了基于纤端超表面的纤上实验室器件制备技术的研究进展以及技术发展过程中存在的难点和要点,阐明了构建多功能高集成度多应用场景的纤上实验室传感器件的策略。纤上实验室技术已经取得了显著的成果,这表明多功能高集成化全光纤器件未来能够在物理和生化参数监测、微粒捕获及光场调控等众多场景中发挥核心作用。