Dr. Jianjun Yu Profile

Dr. Jianjun Yu

at Fudan Univ

SPIE Involvement:

Author

Publications (35)

Proceedings Article | 1 February 2019 Presentation + Paper

Demonstration of a polar-coded optical wireless integration system at K-band

Kaihui Wang, Jiao Zhang, Guangshi Li, Can Wang, Mingming Zhao, Jianjun Yu

Proceedings Volume 10946, 109460H (2019) https://doi.org/10.1117/12.2513766

KEYWORDS: Forward error correction, K band, Optical amplifiers, Microwave radiation, Photonic microstructures, Photonics systems, Fiber amplifiers, Error control coding, Polarization, Digital signal processing

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Proceedings Article | 1 February 2019 Presentation + Paper

DBSCAN-based decision technique for 60Gbps PAM-8 IM/DD system

Jiao Zhang, Penqi Gou, Xingyu Lu, Kaihui Wang, Miao Kong, Jianyang Shi, Can Wang, Kaibo Fang, Li Zhao, Jianjun Yu

Proceedings Volume 10946, 109460I (2019) https://doi.org/10.1117/12.2513690

KEYWORDS: Laser sintering, Receivers, Modulation, Digital signal processing, Signal processing, Telecommunications, Data communications, Signal detection, Absorbance, Active optics

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Proceedings Article | 1 February 2019 Presentation + Paper

ROF-OFDM system within terahertz-wave frequency range from 350GHz to 510GHz

Mingming Zhao, Kaihui Wang, Jimmy Yu, Can Wang, Jiangnan Xiao, Li Zhao, Miao Kong, Jianjun Yu

Proceedings Volume 10946, 109460E (2019) https://doi.org/10.1117/12.2513693

KEYWORDS: Orthogonal frequency division multiplexing, Modulation, Antennas, Optical amplifiers, Signal attenuation, Photonics, Singular optics, Dispersion, Modulators, Fiber amplifiers

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Proceedings Article | 1 February 2019 Presentation + Paper

Demonstration of 160Gbps optical duo-binary signal generation and transmission

Miao Kong, Jianjun Yu, Junwen Zhang, Kaihui Wang, Mingming Zhao, Li Zhao, Can Wang, Jiao Zhang

Proceedings Volume 10946, 109460J (2019) https://doi.org/10.1117/12.2513692

KEYWORDS: Signal generators, Digital signal processing, Eye, Receivers, Modulation, Signal detection, Multiplexers, Oscilloscopes, Modulators, Binary data

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Proceedings Article | 30 January 2018 Presentation + Paper

The best modulation format for 100G short-reach and metro networks: DMT, PAM-4, CAP, or duobinary?

Junwen Zhang, Jianyang Shi, Jianjun Yu

Proceedings Volume 10560, 1056002 (2018) https://doi.org/10.1117/12.2290622

KEYWORDS: Orthogonal frequency division multiplexing, Modulation, Modulators, Digital signal processing, Signal processing, Quadrature amplitude modulation, Transmittance, Receivers, Single sideband modulation, Signal generators

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Proceedings Article | 29 January 2018 Presentation + Paper

Large-capacity long-distance bidirectional wireless signal transmission at hybrid K- and W-band

Xinying Li, Jianjun Yu

Proceedings Volume 10559, 105590R (2018) https://doi.org/10.1117/12.2290469

KEYWORDS: Digital signal processing, Multiplexing, Modulation, Heterodyning

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SPIE Journal Paper | 13 October 2017

PAM-4 signal delivery in one radio-over-fiber system

Hada Wang, Wen Zhou, Jianjun Yu

OE, Vol. 56, Issue 10, 106107, (October 2017) https://doi.org/10.1117/12.10.1117/1.OE.56.10.106107

KEYWORDS: Sensors, Optical amplifiers, Fiber amplifiers, Signal detection, Radio over Fiber, Eye, Data communications, Receivers, Telecommunications, Optical engineering

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SPIE Journal Paper | 20 September 2017

Comparison of DFT-S-orthogonal frequency division multiplexing and single-carrier in a radio-over-fiber system

Kaihui Wang, Xinying Li, Jianjun Yu

OE, Vol. 56, Issue 09, 096107, (September 2017) https://doi.org/10.1117/12.10.1117/1.OE.56.9.096107

KEYWORDS: Modulation, Radio over Fiber, Orthogonal frequency division multiplexing, Frequency division multiplexing, Optical amplifiers, Digital signal processing, Lithium, Fiber amplifiers, Optical engineering, Antennas

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SPIE Journal Paper | 21 March 2017

Demonstration of 4×100 Gbps discrete multitone transmission using electric absorption modulated laser at 1550-nm for dense wavelength division multiplexing intradata center connect

Yuming Xu, Jianjun Yu, Xinying Li

OE, Vol. 56, Issue 03, 036107, (March 2017) https://doi.org/10.1117/12.10.1117/1.OE.56.3.036107

KEYWORDS: Modulation, Dense wavelength division multiplexing, Single mode fibers, Absorption, Digital signal processing, Lithium, Signal to noise ratio, Fourier transforms, Forward error correction, Optical filters

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Proceedings Article | 28 January 2017 Presentation + Paper

Nonlinear compensation for high-order modulation signal in a IM/DD DFT-S-OFDM system with directly modulated laser

Kaihui Wang, Chaoyi Qin, Jiangnan Xiao, Nan Chi, Jianjun Yu

Proceedings Volume 10129, 101290D (2017) https://doi.org/10.1117/12.2251251

KEYWORDS: Modulation, Nonlinear optics, Complex systems, Orthogonal frequency division multiplexing, Signal generators, Laser sintering, Distortion, Receivers, Telecommunications, Optical networks

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Proceedings Article | 28 January 2017 Presentation + Paper

Enabling technologies for millimeter-wave radio-over-fiber systems in next generation heterogeneous mobile access networks

Junwen Zhang, Jianjun Yu, Jing Wang, Mu Xu, Lin Cheng, Feng Lu, Shuyi Shen, Yan Yan, Hyunwoo Cho, Daniel Guidotti, Gee-kung Chang

Proceedings Volume 10128, 101280A (2017) https://doi.org/10.1117/12.2251244

KEYWORDS: Extremely high frequency, Radio over Fiber, Analog electronics, Receivers, Modulation, Radio optics, Orthogonal frequency division multiplexing, Network architectures, Signal detection, Signal generators

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SPIE Journal Paper | 20 October 2016

Vector radio-frequency optical signal generation based on one directly modulated laser

Yanyi Wang, Jiangnan Xiao, Nan Chi, Jianjun Yu

OE, Vol. 55, Issue 10, 106117, (October 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.10.106117

KEYWORDS: Modulation, Signal generators, Single sideband modulation, Double sideband modulation, Radio optics, Single mode fibers, Digital signal processing, Laser sintering, Clocks, Receivers

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Proceedings Article | 13 February 2016 Paper

Advanced digital signal processing for short-haul and access network

Junwen Zhang, Jianjun Yu, Nan Chi

Proceedings Volume 9773, 977308 (2016) https://doi.org/10.1117/12.2216300

KEYWORDS: Digital signal processing, Optical networks, Modulation, Transmitters, Receivers, Data communications, Adaptive optics, Telecommunications, Singular optics, Forward error correction, Signal detection, Multiplexers, Single mode fibers, Signal generators, Channel projecting optics

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Proceedings Article | 13 February 2016 Paper

High-speed real-time OFDM transmission based on FPGA

Xin Xiao, Fan Li, Jianjun Yu

Proceedings Volume 9773, 977304 (2016) https://doi.org/10.1117/12.2216268

KEYWORDS: Digital signal processing, Field programmable gate arrays, Orthogonal frequency division multiplexing, Modulation, Receivers, Wavelength division multiplexing, Single mode fibers, Signal attenuation, Optical amplifiers, Laser sintering

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Proceedings Article | 12 February 2016 Paper

Photonics aided ultra-wideband W-band signal generation and air space transmission

Xinying Li, Jianjun Yu

Proceedings Volume 9772, 97720N (2016) https://doi.org/10.1117/12.2216249

KEYWORDS: Antennas, Polarization, Multiplexing, Photonics, Modulation, Signal generators, Digital signal processing, Receivers, Heterodyning, Calcium

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SPIE Journal Paper | 19 January 2016

Demonstration of high-speed quadrature phase shift keying vector signal generation employing a single Mach–Zehnder modulator with phase precoding technology

Yanyi Wang, Xinying Li, Jianjun Yu

OE, Vol. 55, Issue 01, 016101, (January 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.1.016101

KEYWORDS: Signal generators, Phase shift keying, Modulation, Modulators, Single mode fibers, Radio over Fiber, Lithium, Signal processing, Transmitters, Continuous wave operation

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Proceedings Article | 7 February 2015 Paper

Realization of real-time 100G 16QAM OFDM signal detection

Fan Li, Xin Xiao, Jianjun Yu

Proceedings Volume 9388, 93880H (2015) https://doi.org/10.1117/12.2080082

KEYWORDS: Digital signal processing, Orthogonal frequency division multiplexing, Field programmable gate arrays, Receivers, Modulation, Signal detection, Polarization, Singular optics, Transmitters, Optical filters

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Proceedings Article | 3 December 2014 Paper

Super-Nyquist signal transmission and digital signal processing

Junwen Zhang, Jianjun Yu, Nan Chi

Proceedings Volume 9267, 92670L (2014) https://doi.org/10.1117/12.2071275

KEYWORDS: Electronic filtering, Digital signal processing, Optical filters, Forward error correction, Filtering (signal processing), Wavelength division multiplexing, Multiplexers, Signal detection, Signal generators, Receivers

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Proceedings Article | 1 February 2014 Paper

Digital signal processing for high spectral efficiency optical networks

Junwen Zhang, Jianjun Yu, Nan Chi

Proceedings Volume 9008, 90080G (2014) https://doi.org/10.1117/12.2037391

KEYWORDS: Digital signal processing, Optical filters, Filtering (signal processing), Electronic filtering, Wavelength division multiplexing, Signal generators, Channel projecting optics, Modulation, Laser sintering, Optical networks

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Proceedings Article | 1 February 2014 Paper

Super-Nyquist shaping and processing technologies for high-spectral-efficiency optical systems

Zhensheng Jia, Hung-Chang Chien, Junwen Zhang, Ze Dong, Yi Cai, Jianjun Yu

Proceedings Volume 9009, 90090J (2014) https://doi.org/10.1117/12.2044294

KEYWORDS: Digital filtering, Digital signal processing, Optical filters, Gaussian filters, Tolerancing, Modulation, Electronic filtering, Receivers, Channel projecting optics, Pulse shaping

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Proceedings Article | 1 February 2014 Paper

Faster than fiber: demonstration of over 100 Gb/s signal delivery at W-band

Xinying Li, Jianjun Yu

Proceedings Volume 9007, 900706 (2014) https://doi.org/10.1117/12.2038035

KEYWORDS: Digital signal processing, Polarization, Transmitters, Receivers, Modulation, Antennas, Multiplexing, Modulators, Heterodyning, Orthogonal frequency division multiplexing

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Proceedings Article | 5 February 2013 Paper

Field trial for the mixed bit rate at 100G and beyond

Jianjun Yu, Zhensheng Jia, Ze Dong, Hung-Chang Chien

Proceedings Volume 8647, 864703 (2013) https://doi.org/10.1117/12.2008342

KEYWORDS: Digital filtering, Digital signal processing, Receivers, Wavelength division multiplexing, Optical filters, Modulation, Channel projecting optics, Orthogonal frequency division multiplexing, Polarization, Multiplexing

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Proceedings Article | 4 February 2013 Paper

Seamless integration of 100-G wire line and 100-GHz wireless link system

Ze Dong, Jianjun Yu, Xinying Li, Nan Chi

Proceedings Volume 8645, 86450D (2013) https://doi.org/10.1117/12.2008211

KEYWORDS: Digital signal processing, Receivers, Polarization, Transmitters, Heterodyning, Modulation, Radio optics, Antennas, Signal detection, Modulators

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Proceedings Article | 25 January 2012 Paper

Advanced modulation formats for high-capacity transmission system at 100 G and beyond

Jianjun Yu

Proceedings Volume 8283, 828303 (2012) https://doi.org/10.1117/12.913737

KEYWORDS: Modulation, Modulators, Phase modulation, Signal detection, Optical amplifiers, Signal generators, Digital signal processing, Polarization, Wavelength division multiplexing, Binary data

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SPIE Journal Paper | 1 June 2010

Low-cost 60-GHz radio-over-fiber architecture compatible with wavelength-division-multiplexing passive optical networks by employing directly modulated laser and frequency quadruple techniques

Zizheng Cao, Jianjun Yu, Wenpei Wang, Lin Chen

OE, Vol. 49, Issue 06, 065005, (June 2010) https://doi.org/10.1117/12.10.1117/1.3454378

KEYWORDS: Modulators, Orthogonal frequency division multiplexing, Modulation, Laser sintering, Single mode fibers, Digital signal processing, Passive optical networks, Radio over Fiber, Signal processing, Network architectures

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Proceedings Article | 2 December 2009 Paper

32Tb/s DWDM Transmission System

Jianjun Yu, Xiang Zhou

Proceedings Volume 7630, 76300M (2009) https://doi.org/10.1117/12.852344

KEYWORDS: Modulators, Modulation, Optical amplifiers, Polarization, Signal generators, Dense wavelength division multiplexing, Phase modulation, Signal detection, Receivers, L band

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Proceedings Article | 26 January 2009 Open Access

Convergence of broadband optical and wireless access networks

Gee-Kung Chang, Zhensheng Jia, Hung-Chang Chien, Arshad Chowdhury, Yu-Ting Hsueh, Jianjun Yu

Proceedings Volume 7234, 723402 (2009) https://doi.org/10.1117/12.816494

KEYWORDS: Video, Orthogonal frequency division multiplexing, Optical networks, Upconversion, Radio optics, Modulation, Receivers, Broadband telecommunications, Signal detection, Optical filters

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Proceedings Article | 11 November 2008 Paper

Spectrally efficient 3.4b/s/Hz waveband switching over wavelength-selective switch-based ROADM on 114 Gb/s PolMux-RZ-8PSK DWDM system

Philip Ji, Jianjun Yu, Dayou Qian, Ting Wang

Proceedings Volume 7136, 71361X (2008) https://doi.org/10.1117/12.804244

KEYWORDS: Switching, Dense wavelength division multiplexing, Polarization, Transmitters, Channel projecting optics, Optical amplifiers, Receivers, Multiplexing, Optical filters, Wavelength division multiplexing

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Proceedings Article | 11 November 2008 Paper

Advanced modulation and coding technologies for ultra-high-speed optical communications

Lei Xu, Jianjun Yu, Dayou Qian, Ting Wang, Hussam Batshon, Ivan Djordjevic

Proceedings Volume 7136, 71360J (2008) https://doi.org/10.1117/12.806482

KEYWORDS: Digital signal processing, Orthogonal frequency division multiplexing, Modulation, Polarization, Signal detection, Receivers, Optical communications, Multiplexing, Signal processing, Optical fibers

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Proceedings Article | 19 November 2007 Paper

Next generation 100Gb/s ethernet technologies

Gee-kung Chang, Arshad Chowdhury, Jianjun Yu, Zhensheng Jia, Richard Younce

Proceedings Volume 6784, 678405 (2007) https://doi.org/10.1117/12.747286

KEYWORDS: Switching, Optical filters, Receivers, Modulators, Signal detection, Modulation, Optical networks, Multiplexing, Eye, Optical amplifiers

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Proceedings Article | 19 November 2007 Paper

100Gbit/s packet signal generation and switching

Jianjun Yu, Gee-kung Chang, Ting Wang

Proceedings Volume 6783, 67831M (2007) https://doi.org/10.1117/12.747120

KEYWORDS: Switching, Optical filters, Signal detection, Modulators, Receivers, Eye, Signal generators, Optical amplifiers, Optical networks, Modulation

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Proceedings Article | 28 February 2006 Paper

Ultra-high-speed transmission of polymer-based multimode interference devices for board-level high-throughput optical interconnects

Yin-Jung Chang, Gee-Kung Chang, Thomas Gaylord, Daniel Guidotti, Jianjun Yu

Proceedings Volume 6126, 612601 (2006) https://doi.org/10.1117/12.660138

KEYWORDS: Brain-machine interfaces, Waveguides, Multimode interference devices, Polymers, Dispersion, Optical interconnects, Data transmission, Polarization, Wave propagation, Optical amplifiers

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Proceedings Article | 6 December 2005 Paper

Recent progress in broadband optical access and packet switched core networking technologies

Jianjun Yu, Gee-Kung Chang

Proceedings Volume 6022, 60221O (2005) https://doi.org/10.1117/12.639936

KEYWORDS: Modulation, Switching, Clocks, Switches, Optical filters, Optical networks, Polarization, Networks, Nonlinear optics, Broadband telecommunications

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Proceedings Article | 24 May 2005 Paper

High-density, end-to-end optoelectronic integration and packaging for digital-optical interconnect systems

Gee-Kung Chang, Daniel Guidotti, Zhaoran Rena Huang, Lixi Wan, Jianjun Yu, Shashikant Hegde, Hung-Fei Kuo, Yin-Jung Chang, Fuhan Liu, Fentao Wang, Rao Tummala

Proceedings Volume 5814, (2005) https://doi.org/10.1117/12.606958

KEYWORDS: Waveguides, Copper, Polymers, Sensors, Mirrors, Optical interconnects, Polymer multimode waveguides, 3D modeling, Integrated optics, Optical amplifiers

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