Xu Fei






Fibersensor, Fiber laser,Opticalimaging and machine vision, Wearable device, Single-cellphotoelectrochemical analysis.


Dr.Fei Xu received his Ph.D. in Optoelectronics in 2008 from theOptoelectronics Research Centre, University of Southampton, UK. Heis currently a professor at the College of Engineering and AppliedSciences, Nanjing University, China. Dr. Xu’s current researchinterests include developing novel fiber devices for ultra-smallsensor, laser and imaging systems,During his research career, he has received theNationalScience Fundfor Distinguished Young Scholars (2019) and the National ScienceFund for Excellent Young Scholars (2012) from the National NaturalScience Foundation of China, the Program for New Century ExcellentTalents in University from the Ministry of Education of China(2009).. To date, he has authored or coauthored 8 book chapters,granted>30patents (China and US), and >120peer reviewed articles in academic journals in the previouslymentioned areas. His papers have been cited more than 2800 timesin Web of Science, and he was invited to give more than 40 talksin international conferences. His paper about a novelrefractometric sensor based on a coated all-coupling microfibercoil resonator with a fluidic channel has been cited over 200times.


Oct.2004 – Jan. 2008   University of Southampton, UK

      Ph.D in Optoelectronics   

      Thesis Topic: optical fiber nanowire devices

Sep.2000 – Jul. 2003   Nanjing University, China

      Master in optics and materials

      Thesis Topic: tunable nonlinear photonic crystal

Sep.1996 – Jul. 2000   Nanjing University, China

      Bachelor in materials


Dec.2012 – current Professorof College of Engineering and Applied Sciences, NanjingUniversity, China

Dec.2008 – Dec.2012AssociateProfessor of College of Engineering and Applied Sciences,NanjingUniversity, China



1.FeiXu,and Gilberto Brambilla, “Microfiber and microcoil resonators andsensors”, Chapter 11, “Photonic Microresonator Research andApplications”, ISBN 978-1-4419-1743-0, © 2010 SpringerPublishers, Inc.

2.FeiXu,“Micro/Nano Optical Fiber Devices”, “Handbook of OpticalFibers” ISBN 978-981-10-7085-3©2018Springer Publishers, Inc.

SelectedJournalArticles :

Yi-fengXiong, Qiao-bo Liao, Zheng-ping Huang, Xin Huang, Can Ke,Heng-tian Zhu, Chen-yu Dong, Hao-shang Wang, Kai Xi*, Peng Zhan*,FeiXu*,Yan-qing Lu*”Ultrahigh Responsivity Photodetectors ofTwo-dimensional Covalent Organic Frameworks Integrated onGraphene,” AdvancedMaterials.32,1907242 2020

Zi-xuanDing, Zi-nan Huang, Ye Chen, Cheng-bo Mou*, Yan-qing Lu*, and FeiXu*"All-fiber ultrafast laser generating gigahertz-rate pulsesbased on a hybrid plasmonic microfiber resonator,"Advanced Photonics2, 026002 (2020).

Jin-huiChen, Jun Tan, Guang-xing Wu , Xue-jin Zhang, FeiXu*and Yan-qing Lu*“Tunableand enhanced light emission in hybrid WS2-optical-fiber-nanowirestructure,”Light:Science & Applications8,8 (2019).

Heng-TianZhu, Ye Chen, Yi-Feng Xiong, Fei Xu * and Yan-Qing Lu, “AFlexible Wireless Dielectric Sensor for Noninvasive FluidMonitoring,” Sensors,20, 174 (2020)

Jin-huiChen, Dan-ran Li and FeiXu*“Optical Microfiber Sensors: Sensing Mechanisms, and RecentAdvances (Invited Review),” IEEE/OSAJournal of Lightwave Techenology 37,2577(2019).

YeChen, Cheng Li, Jin-Hui Chen, Tong Sun, Kenneth T. V. Grattan, andFeiXu*“Demonstration of a microelectromechanical tunable Fabry–Pérotcavity based on graphene-bonded fiber devices,”OpticsLetters44,1876-1879 (2019).

Yi-fengXiong, Jin-hui Chen, Yan-qing Lu* and FeiXu*“Broadband optical-fiber-compatible photodetector based on agraphene-MoS2-WS2 heterostructure with a synergeticphoto-generating mechanism,” AdvancedElectronic Materials5,1800562(2019).

Zeng-yongLiu, Hong-qian Cao, FeiXu*and Yan-qing Lu “Graphene Nanoelectromechanical System and ItsIntegration with Optical Fiber (Invited Review),”Laser& Optoelectronics Progress(in Chinese) 56,110006-1-8(2019).

Jin‐hongLi  Jin‐hui Chen  FeiXu*,“Sensitive and Wearable Optical Microfiber Sensor for HumanHealth Monitoring,” AdvancedMaterials Technology3, 1800296 (2018).

Guang-xingWu, Jin-hui Chen, Dan-ran Li, and FeiXu*,“Quasi-Phase-Matching Method Based on Coupling Compensation forSurface Second-Harmonic Generation in Optical Fiber NanowireCoupler,”ACSPhotonics5,3916-3922 (2018).

Mengtao-Mao,Jin-hui Chen, Zhi-xuan Ding, and FeiXu,“Pulsed laser based on two-dimensional material optical fiberintegrated device and external control (Invited Review),”Infraredand Laser Engineering (in Chinese),47,803003-0803003 (2018).

Zeng-yongLiu, Hong-qian Cao, and FeiXu*,“Fiber-Optic Lorentz Force Magnetometer based on a Gold-GrapheneComposite Membran,” AppliedPhysics Letters112,203504 (2018).

Bao-liLi, Dan-ran Li, Jin-hui Chen, Zeng-yong Liu, Guang-hui Wang,Xu-ping Zhang, FeiXu*,Yan-qing Lu, Hollowcore micro-fiber for optical wave guiding and microfluidicmanipulation,Sensorsand Actuators B: Chemical262,953-957(2018).

Dan-ranLi , Guang-xing Wu, Jin-hui Chen, Shao-cheng Yan, Zeng-yong Liu,FeiXu*, and Yan-qing Lu, "Ethanol Gas Sensor Based on a HybridPolymethyl Methacrylate Silica Microfiber Coupler", IEEE/OSAJournal of Lightwave Technology362031-2036(2018).

Shao-chengYan and Fei.Xu*,“A Review on Optical Microfibers in Fluidics Applications,(InvitedTopical Review)Journal of Micromechanics and Microengineering27, 093001(2017).

FeiXu, “MiniatureFunction-Integrated Devices Based on Optical Microfibers,”(InvitedReview),Journalof Applied Sciences (in Chinese)35,469-502(2017).

Fei.Xu,Zheng-xin Wu and Yan-qing Lu, “Nonlinear optics in optical fibernanowires and theirs applications,” (InvitedReview),Progressin Quantum Electronics55,35-51(2017).

Jin-huiChen, Qiang Jing, FeiXu*,Zheng-da Lu and Yan-qing Lu,“High-sensitivityoptical-fiber-compatible photodetector with an integratedCsPbBr3-graphene hybrid structure,”Optica4,835-838(2017).

Jin-HongLi, Jin-Hui Chen, Shao-Cheng Yan, Ya-Ping Ruan, FeiXu*,and Yan-Qing Lu, "Versatile hybrid plasmonic microfiber knotresonator," OpticsLetters42,3395-3398 (2017).

ChengLi, Jin-hui Chen, Wan-sheng Wang, Tian-xing Wang, Shao-cheng Yan,Dan-ran Li, FeiXu*,Cheng-bo Mou * and Yan-qing Lu,”Manipulationof nonlinear optical properties of graphene bonded fiber devicesby thermally engineering Fermi–Dirac distribution,” AdvancedOptical Materials 5,1700630 (2017).

Bao-liLi, Jin-hui Chen, FeiXu*,and Yan-qing Lu, "Periodic micro-structures in opticalmicrofibers induced by Plateau-Rayleigh instability and itsapplications," OpticsExpress 25,4326-4334 (2017).

Jin-huiChen, Zhao-huan Liang, Lie-rong Yuan, Cheng Li, Min-rui Chen,Yi-dong Xia, Xue-jin Zhang, FeiXu*and Yan-qing Lu ,“Towards an all-in fiber photodetector bydirectly bonding few-layer molybdenum disulfide to a fiber facet” Nanoscale9,3424-3428 (2017).

Shao-chengYan, Zhen-yong Liu, Cheng Li, Shi-jun Ge, Fei.Xu*,and Yan-qing Lu, "“Hot-wire” microfluidic flowmeter basedon a microfiber coupler," OpticsLetters41,5680-5683 (2016).

Jin-huiChen, Wei Luo, Zhao-xian Chen, Shao-cheng Yan, FeiXu*and Yan-qing Lu,“MechanicalModulation of Hybrid Graphene–Microfiber Structure,”AdvancedOptical Materials4,853-857(2016).

Jin-huiChen, Bi-cai Zheng, Guang-hao Shao, Shi-jun Ge,Fei. Xu*,and Yan-qing Lu*,”All-opticalmodulator based on a stereo graphene-microfiber structure,”Light:Science & Applications4e360(2015).

Bi-caiZheng, Shao-cheng Yan, Jin-hui Chen, Guo-xin Cui, Fei.Xu*andYan-qing Lu*,“Miniatureoptical fiber current sensor based on a graphene membrane,”Laser& Photonics Reviews5,517–522 (2015).

Shao-chengYan, Bi-cai Zheng, Jin-hui Chen, Fei.Xu*,and Yan-qing Lu,”Optical electrical current sensor utilizing agraphene-microfiber-integrated coil resonator,” AppliedPhysics Letters107,053502 (2015).

Jin-huiChen, Guo-qing Deng, Shao-cheng Yan, Cheng Li, Kai Xi,Fei. Xu*andYan-qing Lu, "Microfiber-coupler-assisted control ofwavelength tuning for Q-switched fiber laser with few-layermolybdenum disulfide nanoplates," OpticsLetters40,3576-3579 (2015).

Shao-chengYan, Ye Chen, Cheng Li, Fei.Xu*,and Yan-qing Lu, " Differential twin receiving fiber-opticmagnetic field and electric current sensor utilizing a microfibercoupler," OpticsExpress23,9407(2015).

WeiLuo, Fei.Xu*,and Yan-qing Lu, " Reconfigurable optical-force-drive chirpand delay line in micro- or nanofiber Bragg grating,"PhysicalReview A91,053831(2015).

Jun-longKou, FeiXu*,and Hyuck Choo*, "Implementation of a High-Q Small ModeVolume Cavity in Microfibers Using Lattice-Constant-VaryingNanohole Arrays,"IEEE Journal of Selected Topics in Quantum Electronics 20,903104 (2014).

Jun-longKou, Jin-hui Chen, Ye Chen, FeiXu*,and Yan-qing Lu, "Platform for enhanced light-grapheneinteraction length and miniaturizing fiber stereo-devices,"Optica,1,307(2014).

Bi-caiZheng, Wei Luo, FeiXu*,and Yan-qing Lu*, "Influence of van derWaals forces on thewaveguide deformation and power limit of nanoscale waveguidedevices," PhysicalReview A89,043810 (2014).

FeiXu,Qin Wang, Jian-feng Zhou, Wei Hu, and Yan-qing Lu, "DispersionStudy of Optical Nanowire Microcoil Resonators," IEEEJournal of Selected Topics in Quantum Electronics17,1102-1106 (2011).

FeiXu,Gilberto. Brambilla, Jing Feng, and Yan-qing Lu, "AMicrofiber Bragg Grating Based on a Microstructured Rod: AProposal," IEEEPhotonics Technology Letters22,218-220 (2010).

FeiXu,Gilberto Brambilla, and Yan-qing Lu, "A microfluidicrefractometric sensor based on gratings in optical fibremicrowires," OpticsExpress17,20866-20871 (2009).

GilbertoBrambilla, FeiXu,Peter Horak, Yongmin Jung, Fumihito Koizumi, Neil P. Sessions,Elena Koukharenko, Xian Feng, Ganapathy S. Murugan, James S.Wilkinson, and David J. Richardson, "Optical fiber nanowiresand microwires: fabrication and applications," Advancesin Optics and Photonics1,107-161 (2009).

FeiXu,Valerio Pruneri, Vittoria Finazzi, and Gilberto Brambilla, "Anembedded optical nanowire loop resonator refractometric sensor,"OpticsExpress16,1062-1067 (2008).

FeiXuand Gilberto Brambilla, "Demonstration of a refractometricsensor based on optical microfiber coil resonator," AppliedPhysics Letters92,101126 (2008).

FeiXu,Peter Horak, and Gilberto Brambilla, "Optical microfiber coilresonator refractometric sensor (vol 15, pg 7888, 2007),"OpticsExpress15,9385-9385 (2007).

FeiXuand Gilberto Brambilla, "Embedding optical microfiber coilresonators in Teflon," OpticsLetters32,2164-2166 (2007).

FeiXu,Jun Liao, Xi-jing Zhang, Jing-liang He, Hui-Tian Wang, and Nai-benMing, "Complete conversion of sum-frequency generationenhanced by controllable linear gratings induced by anelectro-optic effect in a periodic optical superlattice,"PhysicalReview A68,033808(2003).