研究兴趣

  • 新型光通信网络
  • 特种光纤设计
  • 光纤激光器
  • 机器学习

课程

本科生课程

  • 现代传感器技术
  • 电磁场与天线
  • 大学计算机基础

研究生课程

  • 数字通信
  • 光纤技术与应用

招生方向

  • 光通信方向:新型光通信网络,光纤设计及其功能器件,光纤激光器。
  • 机器学习方向:计算机视觉,多模态数据分析,强化学习,光学与机器学习结合。

欢迎对以上方向感兴趣的同学联系报考!

教育与工作

教育经历

2010–2014
工学博士(国家公派留学)
日本北海道大学,信息电子学
2008–2010
硕士
天津大学,光电子技术
2004–2008
学士
天津大学,电子科学与技术

工作经历

2016–
北京科技大学
2014–2016
北京大学

项目情况

  • 主持北京科技大学基本科研业务费项目两项,FRF-TP-16-046A1,FRF-TP-19-016A2。
  • 主持国家自然科学基金青年科学基金一项,61605004。
  • 主持北京大学区域光纤通信网与新型光通信系统国家重点实验室开放课题一项,2017GZKF08。
  • 主持中国博士后科学基金面上项目一项,2015M570895。
  • 参与国家科技部973项目子课题一项,2014CB340105。
  • 参与北京市融合网络与泛在业务工程技术研究中心青年人才发展项目一项,FRF-BD-17-015A。
  • 主持关于机器学习方面的横向项目多项,与公司保持长期的合作关系。

研究成果

完整列表 →

2026

Xie, Yulai; Fu, Yijia; Xu, Qing; Ren, Fang
Sensor-to-Sensor procedural co-learning for sensor-limited human action recognition.
Expert Systems with Applications 319 (2026): 132094
DOI
Lu, Xiang; Chen, Youwei; Fu, Yijia; Ren, Fang; Ma, Zhonggui
Alarm Event Prediction Based on Structural Causal Model in Smart Substation.
Energies 19 (2026): 2296
DOI

2025

Ren, Fang; Mao, Yimin; Xu, Qing; Li, Xinyu; Xie, Yulai
Stable and selectable generation of LP/CVB/OAM modes in an all-fiber ring laser via a low modal-crosstalk mode multiplexer/demultiplexer.
Optics Express 33 (2025): 39373
DOI
Mao, Yimin; Lu, Xiang; Guo, Lisa; Zhang, Zhao; Ren, Fang
Selective cross-insensitive dual-channel PCF-SPR sensor based on high-order modes for simultaneous temperature and refractive index sensing in cancer cell detection.
Optics Communications 595 (2025): 132339
DOI
Xie, Yulai; Pi, Xiaoning; Zhang, Yang; Ren, Fang
Structured guided diffusion models for industrial defect image generation.
Knowledge-Based Systems 330 (2025): 114642
DOI
Ren, Fang; Xie, Yulai; Pi, Xiaoning
Query-based neural network for long-range prediction of optical spatio-temporal dynamics in multimode fibers.
Expert Systems with Applications 288 (2025): 128230
DOI
Su, Yang; Guo, Lisa; Tian, Yuewei; Zou, Wenqiang; Ma, Zhong; Li, Dingguo; Ren, Fang
An Integrated Multi-Sensor Fusion Algorithm for Substation Localization Using UWB and Video.
ICCMS 2025
DOI
Fu, Yijia; Xie, Yulai; Lu, Xiang; Ren, Fang
Unconstrained Vision-based Measurement with Open-World Segmentation.
ICCMS 2025
DOI

2024

Ren, Fang; Xie, Yulai; Pi, Xiaoning; Wang, Xiaohui
Bridge the gap between simulated and real-world data in optical fiber mode decomposition for accuracy improvement: A deep learning-based co-learning framework with visual similarity-based matching.
Expert Systems with Applications 256 (2024): 124937
DOI
Pi, XiaoNing; Xie, YuLai; Zhang, Yang; Wang, XiaoHui; Ren, Fang
Automatic iterative diversity improvement for defect data generation.
ICCMS 2024
DOI

2023

Ci, Yingjuan; Ren, Fang; Lei, Xiao; Li, Yidan; Zhou, Deyang; Wang, Jianping
A Weakly-Coupled Double Bow-Tie Multi-Ring Elliptical Core Multi-Mode Fiber for Mode Division Multiplexing across C+L+U Band.
Applied Sciences 13 (2023): 5855
DOI
Y. Xie, J. Niu, Y. Zhang and F. Ren
Global-shared Text Representation based Multi-Stage Fusion Transformer Network for Multi-modal Dense Video Captioning.
IEEE Transactions on Multimedia
DOI
Wang, Xiaohui, Yulai Xie, Yang ZHANG, Xiaoning Pi, and Fang Ren
Digital Simulation-Based Data Generation for Quality Inspection.
ICCMS 2013, 6. 2023
DOI
更早年份

2022

Niu, Jingjing; Xie, Yulai; Zhang, Yang; Zhang, Jinyu; Zhang, Yanfei; Lei, Xiao; Ren, Fang
Tri-Modal Dense Video Captioning Based on Fine-Grained Aligned Text and Anchor-Free Event Proposals Generator.
International Journal of Pattern Recognition and Artificial Intelligence 36 (2022): 2255014
DOI
Zhang, Yanfei, Yulai Xie, Yang Zhang, Yiruo Dai, and Fang Ren
VSSum: A Virtual Surveillance Dataset for Video Summary.
ICCCV 2022, 7, 2022
DOI
Xie, Yulai, Jingjing Niu, Yang Zhang and Fang Ren
Multisize Patched Spatial-Temporal Transformer Network for Short- and Long-Term Crowd Flow Prediction.
IEEE Transactions on Intelligent Transportation Systems 23 (2022): 21548-21568
DOI
X. Lei, F. Ren, Y. Zhang, Y. Ci, X. Wang and J. Wang
A Weakly-Coupled Few-Mode Hybrid Clad Photonic Crystal Fiber With Ultra-Flattened Dispersion and Low Confinement Loss.
IEEE Photonics Journal, vol. 14, no. 5, pp. 1-8, Oct. 2022, Art no. 7149508
DOI
Yulai Xie, Yang Zhang, Fang Ren
Temporal-enhanced graph convolution network for skeleton-based action recognition.
IET Computer Vision, 1–14 (2022)
DOI

2021

雷晓, 任芳, 张艺赢, 张金玉, 牛晶晶, 张燕飞, 崔馥洁
面向模分复用的沟槽-纳米孔辅助双包层弱耦合少模光纤
光学学报, 2021, 41(23): 2306003
Jinyu Zhang, Fang Ren, Jingjing Niu, Xiao Lei, Yanfei Zhang, Fujie Cui, Jinping Wang
Design of weakly coupled 20-eigenmode bow-tie rectangular dual-step fiber for short-haul communication in O band.
Opt. Eng. 60(12), 126107 (2021)
Fang Ren, Jinyu Zhang, Jingjing Niu, Xiao Lei, Yanfei Zhang, Jinyi Yu
A switchable multi-wavelength EDFL using cascaded Sagnac fiber loops with mode differential delay line.
Optik 248, 168182 (2021)
Jinyu Zhang, Fang Ren, Yiying Zhang, Jingjing Niu, Xiao Lei, Yanfei Zhang, Jianping Wang
Design of side-hole-assisted weakly-coupled rectangular ring-core multi-mode fiber for mode-division multiplexing networks.
Appl. Opt. 60(24), 7406-7420 (2021)
Fang Ren, Jinyu Zhang, Yiying Zhang, Xiaojie Fan, Rui Hao, Jingjing Niu, Jianping Wang
Design of weakly-coupled eccentric-ring core few-mode fiber for optical sensing.
Optics Communications 490 (2021): 126924
Y. Zhang, F. Ren, X. Fan, T. Zhangsun, W. Chen and J. Wang
Design of weakly coupled ten-vector-mode elliptical-core Bragg fiber for short-haul communication across O+C+L band.
Indian Journal of Physics 95(2), 349-359 (2021)

2020

Fan, Xiaojie; Su, Yuwei; Dong, Tao; Jie, Yin; Zhang, Yiying; Ren, Fang; Niu, Jingjing; Zhang, Jingyu; Wang, Jianping
Enhancing the Credibility of the Optical Performance Monitor With Adversarial Training.
IEEE Access 8 (2020): 75682-75690
DOI
Yiying Zhang, Fang Ren, Xiaojie Fan, Jinyu Zhang, Jingjing Niu, and Jianping Wang
Design of weakly-coupled 16-vector-mode coaxial Bragg FMF for short-haul communication.
IEEE Access 8, pp. 215214-215223 (2020)
DOI
张金玉,任芳,张艺赢,范潇杰,郝锐,牛晶晶,王建萍
面向传感应用的弱耦合偏芯少模光纤设计与分析
光学学报,2020, 40(24): 2406001
Xiaojie Fan, Fang Ren, Jinyu Zhang, Yiying Zhang, Jingjing Niu, Jianping Wang
Reliable Optical Performance Monitor: The Combination of Parallel Framework and Skip Connected Generative Adversarial Network.
IEEE Access 8, 158391-158401 (2020)
DOI
Fang Ren, Yiying Zhang, Jinyu Zhang, Jingjing Niu, Xiaojie Fan, Rui Hao, Jianping Wang
Switchable multi-wavelength linearly-polarized lasing oscillations in a figure eight EDF laser based on spatial-mode beating by means of weakly-coupled FMF.
Optics and Laser Technology 128, 106259 (2020)
Xiaojie Fan, Fang Ren, Yulai Xie, Yiying Zhang, Jingjing Niu, Jinyu Zhang, Jianping Wang
Mitigating ambiguity by deep-learning-based modal decomposition method.
Optics Communications 471, pp. 125845 (2020)
DOI
Fang Ren, Jinyi Yu
Spatial-mode switchable EDF laser based on low modal-crosstalk mode MUX/DEMUX.
Optik, Vol. 202, pp. 163699 (2020)
Tianwen Zhangsun, Fang Ren, Xiang Lu, Yiying Zhang, Wei Chen, Xiaojie Fan, and Jianping Wang
Switchable transverse-mode operation of an actively mode-locked EDF laser based on low-modal-crosstalk mode MUX/DEMUX.
Indian Journal of Physics, 94(7), 1071-1078 (2020)
DOI

2019

Fan, Xiaojie; Wang, Lina; Ren, Fang; Xie, Yulai; Lu, Xiang; Zhang, Yiying; Zhangsun, Tianwen; Chen, Wei; Wang, Jianping
Feature Fusion-Based Multi-Task ConvNet for Simultaneous Optical Performance Monitoring and Bit-Rate/Modulation Format Identification.
IEEE Access 7 (2019): 126709-126719
DOI
Fang Ren, Tianwen Zhangsun, Xiang Lu, Yiying Zhang, Wei Chen, Xiaojie Fan, and Jianping Wang
Spatial-mode switchable, multi-wavelength all-fiber erbium-doped fiber (EDF) laser based on low modal crosstalk mode multiplexer/demultiplexer (MUX/DEMUX).
Laser Physics, 29(7), 075105-1-075105-10 (2019)
Fang Ren, Tianwen Zhangsun, Xiaoshan Huang, Yiying Zhang, Xiaojie Fan, Wei Chen, Jianping Wang
Design of 20-polarization-maintaining-mode “pseudo-rectangle” elliptical-core fiber for MIMO-less MDM networks.
Optical Fiber Technology, 50: 87-94 (2019)

2018

Yiying Zhang, Fang Ren, Xiaojie Fan, Tianwen Zhangsun, Wei Chen, Huaidong Yang and Jianping Wang
Design of weakly-coupled trench-assisted five-mode M-type fiber for short-haul communication in O band.
Optical and Quantum Electronics, 50: 436-1-436-16 (2018)
Xiaojie Fan, Yulai Xie, Fang Ren, Yiying Zhang, Xiaoshan Huang, Wei Chen, Tianwen Zhangsun, Jianping Wang
Joint optical performance monitoring and modulation format/bit-rate identification by CNN-based multi-task learning.
IEEE Photonics Journal, 10(5), 7901312-1-7901312-12 (2018)
DOI
Fang Ren, Wei Chen, Tianwen Zhangsun, Yiying Zhang, Xiaojie Fan, and Jianping Wang
Variable-ratio mode-insensitive 1 × 2 power splitter based on MMI couplers and phase shifters.
IEEE Photonics Journal, 10(5), 7104912-1-7104912-12 (2018)
DOI
Fang Ren, Xiaoshan Huang, Yiying Zhang, Jinyi Yu, Xiaojie Fan, Jianping Wang
Design of weakly-coupled three-spatial-mode rectangular-ring core fiber for short-reach MDM networks in C + L band.
Optical and Quantum Electronics, 50, 290-1-290-10 (2018)
Fang Ren, Xiaoshan Huang, Yiying Zhang, Xiaojie Fan, Tianwen Zhangsun, Wei Chen, and Jianping Wang
Tunable multi-wavelength EDF laser based on Sagnac interferometer with weakly-coupled FMF delay line.
Optics and Laser Technology 107C (2018) pp. 325-330
Fang Ren, Jinyi Yu, Jianping Wang
Spatial-mode switchable ring fiber laser based on low mode-crosstalk all-fiber mode MUX/DEMUX.
Optics and Laser Technology 101C (2018) pp. 21-24

2017

Fang Ren, Xiaoshan Huang, Jianping Wang
Fused-fiber-based 3-dB mode insensitive power splitters for few-mode optical fiber networks.
Opt. Eng. 56(11), 116101 (2017)
DOI
Fang Ren, Juhao Li, Zhongying Wu, Jinyi Yu, Qi Mo, Jianping Wang, Yongqi He, Zhangyuan Chen, and Zhengbin Li
All-fiber optical mode switching based on cascaded mode selective couplers for short-reach MDM networks.
Optical Engineering (Opt. Eng.), 56(4), 046104 (2017)
Fang Ren, Ruizhi Tang, Juhao Li, Tao Hu, Jinyi Yu, Qi Mo, Yongqi He, Zhangyuan Chen, and Zhengbin Li
Experimental demonstration of time- and mode-division multiplexed passive optical network.
Optical Fiber Technology, Vol. 36, 92-97, 2017
Fang Ren, Juhao Li, Tao Hu, Zhongying Wu, Jinyi Yu, Qi Mo, Yongqi He, Zhangyuan Chen, and Zhengbin Li
Three-mode mode-division-multiplexing passive optical network over 12-km low mode-crosstalk FMF using all-fiber mode MUXDEMUX.
Optics Communications, Vol. 383, 525-530, 2017

2016

Fang Ren, Dawei Ge, Juhao Li, Zhengbin Li, Yongqi He and Zhangyuan Chen
An all-fiber mode converter assisted by coiled-fiber long-period grating.
Optics Communications, Vol. 360, 15-19, 2016
Fang Ren, Juhao Li, Tao Hu, Ruizhi Tang, Jinyi Yu, Qi Mo, Yongqi He, Zhangyuan Chen, and Zhengbin Li
Experimental demonstration of 3-mode MDM-PON transmission over 7.4-km low-mode-crosstalk FMF.
Proc. of OFC 2016, W2A.58 (2016)

2015

Fang Ren, Juhao Li, Tao Hu, Ruizhi Tang, Jinyi Yu, Qi Mo, Yongqi He, Zhangyuan Chen, and Zhengbin Li
Cascaded mode-division-multiplexing and time-division-multiplexing passive optical network based on low mode-crosstalk FMF and mode MUX/DEMUX.
IEEE Photonics Journal, 7(5), 7903509, 2015
Fang Ren, Hideaki Takashima, Yoshito Tanaka, Hideki Fujiwara, and Keiji Sasaki
Two-photon excited fluorescence from a pseudoisocyanine-attached gold tip via a plasmonic-photonic hybrid system.
Optics Express, Vol. 23, No. 17, 21730-21740, 2015

2013

Fang Ren, Hideaki Takashima, Yoshito Tanaka, Hideki Fujiwara, and Keiji Sasaki
Two-photon excited fluorescence from a pseudoisocyanine-attached gold-coated tip via a thin tapered fiber under a weak continuous wave excitation.
Optics Express, Vol. 21, Issue 23, pp. 27759-27769 (2013)
Fang Ren, Hideaki Takashima, Yoshito Tanaka, Hideki Fujiwara, and Keiji Sasaki
Nonlinear phenomena from a PIC-attached gold tip using a plasmonic-whispering gallery mode hybrid system.
Proc. SPIE 8816, Optics+Photonics (2013)

2012

Fang Ren, Kazutaka Kitajima, Hideaki Takashima, Hideki Fujiwara, and Keiji Sasaki
Second harmonic generation from the top of an Au-coated tip via a tapered fiber coupled microsphere resonator.
Proc. SPIE 8463, Optics+Photonics (2012)

2011

Fang Ren, Wanghua Xiang, Xiaozhou Shi, Peng Zu, Yangbo Bai, Guizhong Zhang
Passive harmonically mode-locked Er3+/Yb3+ codoped double-clad fiber ring laser.
High Power Laser and Particle Beams, 23(10), 2692-2697 (2011)

2010

Fang Ren, Wanghua Xiang, Peng Zu, Yangbo Bai, Nan Li, Chengqiang Wu, Xiaozhou Shi, Guizhong Zhang
Experiment study on Er/Yb co-doped double cladding all fiber laser.
Chinese Journal of Lasers, 37(03), 622-626 (2010)

2009

Fang Ren, Wanghua Xiang, Yangbo Bai, Nan Li, Xiaozhou Shi
Experimental study on the nonlinear polarization rotation mode-locking fiber laser.
Chinese Journal of Lasers, 36(s1), 56-60 (2009)