Dr. Yongjun Fu Profile

Dr. Yongjun Fu

at Beijing Jiaotong Univ

SPIE Involvement:

Author

Publications (24)

Proceedings Article | 2 December 2009 Paper

High temperature sensing characteristics of erbium-doped fiber using fluorescence intensity ratio technology

Jian Peng, Lisong Liu, Yongjun Fu, Huai Wei, Jing Wang, Shuisheng Jian

Proceedings Volume 7630, 76300B (2009) https://doi.org/10.1117/12.849390

KEYWORDS: Luminescence, Optical fibers, Fiber optics sensors, Temperature metrology, Fiber characterization, Optical sensing, Sensors, Stray light, Absorption, Networks

Read Abstract +

Proceedings Article | 11 November 2008 Paper

Temperature dependence of fluorescence in erbium-doped silica fiber

Jian Peng, Yongjun Fu, LiSong Liu, Fengping Yan, Huai Wei, Xiangqiao Mao, Kai Zheng, Lin Wang, Honglei Li, Shuisheng Jian

Proceedings Volume 7134, 713409 (2008) https://doi.org/10.1117/12.802307

KEYWORDS: Luminescence, Optical fibers, Temperature metrology, Fiber optics sensors, Sensors, Stray light, Absorption, Lithium, Fiber Bragg gratings, Optical sensing

Read Abstract +

Proceedings Article | 11 November 2008 Paper

High-concentration erbium-doped fiber-based short cavity ring lasers

Lisong Liu, Yongjun Fu, Jian Peng, Kai Zheng, Xiangqiao Mao, Huai Wei, Fengping Yan, Honglei Lei, Shuisheng Jian

Proceedings Volume 7134, 713406 (2008) https://doi.org/10.1117/12.802512

KEYWORDS: Fiber lasers, Erbium, Absorption, Ions, Silica, Structured optical fibers, Laser damage threshold, Erbium lasers, Spectrum analysis, Laser applications

Read Abstract +

Proceedings Article | 11 November 2008 Paper

Modulator bias control based on dither signal in 40Gb/s RZ optical transmission system

Jianyong Zhang, Muguang Wang, Yongjun Fu, Jihong Cao, Xi Qin, Feng Zhang, Shuisheng Jian

Proceedings Volume 7136, 71363H (2008) https://doi.org/10.1117/12.803063

KEYWORDS: Modulators, Control systems, Clocks, Transmittance, Optical tracking, Modulation, Demodulation, Networks, Optical design, Environmental monitoring

Read Abstract +

Proceedings Article | 21 November 2007 Paper

Novel design of M-profile ytterbium doped fibers for high power fiber lasers

Jian Li, Xiang-qiao Mao, Lin Wang, Jian Peng, Li-song Liu, Huai Wei, Yong-jun Fu, Ting-gang Ning, Shui-sheng Jian

Proceedings Volume 6781, 67810O (2007) https://doi.org/10.1117/12.741541

KEYWORDS: Cladding, Optical fibers, Ytterbium, Doping, Fiber lasers, High power fiber lasers, Laser development, High power lasers, Absorption, Micro optical fluidics

Read Abstract +

Proceedings Article | 21 November 2007 Paper

Performance analysis on high bandwidth stimulated Brillouin scattering slow light in optical fiber with single source

Jianyong Zhang, Muguang Wang, Yongjun Fu, Jihong Cao, Xi Qin, Shuisheng Jian

Proceedings Volume 6781, 67814S (2007) https://doi.org/10.1117/12.745630

KEYWORDS: Slow light, Modulation, Optical fibers, Light scattering, Scattering, Beam splitters, Solids, Networks, Laser sources, Clocks

Read Abstract +

Proceedings Article | 21 November 2007 Paper

Design and optimization of a near-elliptic cladding photonic crystal fiber with high extinction ratio stability

Lin Wang, Fengping Yan, Yongjun Fu, Yifang Li, Taorong Gong, Peng Liu, Shuisheng Jian

Proceedings Volume 6781, 67811F (2007) https://doi.org/10.1117/12.743439

KEYWORDS: Refractive index, Cladding, Birefringence, Photonic crystal fibers, Polarization, Lithium, Structured optical fibers, Fiber couplers, Optical fibers, Sensors

Read Abstract +

Proceedings Article | 21 November 2007 Paper

The effects of co-doping GeO2 and Al3+ on ytterbium-doped silica-based fiber

Lin Wang, Fengping Yan, Yongjun Fu, Yifang Li, Taorong Gong, Peng Liu, Shuisheng Jian

Proceedings Volume 6781, 67810G (2007) https://doi.org/10.1117/12.743452

KEYWORDS: Aluminum, Absorption, Refractive index, Temperature metrology, Luminescence, Ytterbium, Silica, Ions, Manufacturing, Germanium

Read Abstract +

Proceedings Article | 4 October 2006 Paper

Optimal design of erbium-doped photonic crystal fiber

Kai Zheng, Deyuan Chang, Yongjun Fu, Huai Wei, Shuisheng Jian

Proceedings Volume 6351, 63513I (2006) https://doi.org/10.1117/12.687583

KEYWORDS: Refractive index, Cladding, Fiber amplifiers, Amplifiers, Single mode fibers, Photonic crystal fibers, Silica, Finite element methods, Ions, Absorption

Read Abstract +

Proceedings Article | 4 October 2006 Paper

Design considerations for Panda-type erbium-doped polarization-maintaining fiber

Kai Zheng, Deyuan Chang, Yongjun Fu, Huai Wei, Yan Wei, Fengping Yan, Wei Jian, Shuisheng Jian

Proceedings Volume 6351, 63512F (2006) https://doi.org/10.1117/12.691619

KEYWORDS: Birefringence, Refractive index, Absorption, Cladding, Polarization maintaining fibers, Silica, Manufacturing, Polarization, Optical fibers, Erbium

Read Abstract +

Proceedings Article | 3 December 2005 Paper

Research on the characteristics of hole-assisted lightguide fiber

Kai Zheng, Deyuan Chang, Yongjun Fu, Shuisheng Jian

Proceedings Volume 6019, 601936 (2005) https://doi.org/10.1117/12.634671

KEYWORDS: Waveguides, Cladding, Finite element methods, Step index fibers, Fiber lasers, Refractive index, Dispersion, Structural design, Amplifiers, Photonic crystal fibers

Read Abstract +

Proceedings Article | 3 December 2005 Paper

High-stability packaging for fiber gratings

Bin Li, Yongjun Fu, Huai Wei, Wei Jian, Shuisheng Jian

Proceedings Volume 6019, 60192P (2005) https://doi.org/10.1117/12.634287

KEYWORDS: Packaging, Temperature metrology, Structured optical fibers, Reflectivity, Fiber characterization, Optical fibers, Refractive index, Time metrology, Ultraviolet radiation, Thermal optics

Read Abstract +

Proceedings Article | 12 May 2004 Paper

Study on the polarization characteristics of fiber grating ring lasers

Yan Liu, Tigang Ning, Zhongwei Tan, Yongjun Fu, Shuisheng Jian

Proceedings Volume 5280, (2004) https://doi.org/10.1117/12.522102

KEYWORDS: Fiber lasers, Polarization, Polarizers, Fiber characterization, Laser resonators, Transmittance, Polarization control, Laser applications, Laser development, Wavelength division multiplexing

Read Abstract +

Proceedings Article | 30 April 2004 Paper

Analyze the group delay ripple of chirped fiber gratings using CWT

Zhongwei Tan, Yongjun Fu, Tigang Ning, Tangjun Li, Yan Liu, Shuisheng Jian

Proceedings Volume 5279, (2004) https://doi.org/10.1117/12.521473

KEYWORDS: Continuous wavelet transforms, Reflectivity, Time-frequency analysis, Fiber Bragg gratings, Apodization, Wavelets, Signal processing, Lithium, Optical communications, Signal analyzers

Read Abstract +

Proceedings Article | 30 April 2004 Paper

Impacts of delay ripple of cascaded gratings effect on long-haul fiber link dispersion compensation

Tigang Ning, Li Pei, Zhongwei Tan, Yongjun Fu, Yan Liu, Xiaowei Dong, Kai Zheng, Shuisheng Jian, Tangjun Li

Proceedings Volume 5279, (2004) https://doi.org/10.1117/12.518647

KEYWORDS: Dispersion, Fiber Bragg gratings, Optical amplifiers, Optical filters, Single mode fibers, Wavelength division multiplexing, Modulation, Networks, Linear filtering, Tunable lasers

Read Abstract +

Proceedings Article | 30 April 2004 Paper

PRBS data stream transmission over ultrahigh PMD DCF

Tigang Ning, Yan Liu, Tuangjun Li, Zhongwei Tan, Yongjun Fu, Shuisheng Jian

Proceedings Volume 5279, (2004) https://doi.org/10.1117/12.521482

KEYWORDS: Optical fibers, Polarization, Dispersion, Birefringence, Fiber Bragg gratings, Networks, Monte Carlo methods, Distortion, Optical networks, Telecommunications

Read Abstract +

Proceedings Article | 30 April 2004 Paper

Fabrication and characteristics of twin core erbium-doped fiber

Yongjun Fu, Kai Zheng, Zhi Wang, Guobin Ren, Shuisheng Jian

Proceedings Volume 5279, (2004) https://doi.org/10.1117/12.521484

KEYWORDS: Birefringence, Erbium, Polarization, Fiber lasers, Cladding, Structured optical fibers, Phase modulation, Optical fibers, Fabrication, Doping

Read Abstract +

Proceedings Article | 30 April 2004 Paper

Study on phase-shift methods to measure fiber dispersion

Yan Liu, Zhongwei Tan, Tigang Ning, Yongjun Fu, Shuisheng Jian

Proceedings Volume 5279, (2004) https://doi.org/10.1117/12.521637

KEYWORDS: Modulation, Dispersion, Phase measurement, Error analysis, Geometrical optics, Phase shifts, Temperature metrology, Tunable lasers, Signal detection, Picosecond phenomena

Read Abstract +