Prof. Changjun Liao Profile

Prof. Changjun Liao

at South China Normal Univ

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Author

Publications (17)

Proceedings Article | 26 November 2007 Paper

The study of single photon detector for quantum key distribution

Zhengjun Wei, Jindong Wang, Kaizhen Li, Peng Zhou, Changjun Liao, Jianping Guo, Songhao Liu

Proceedings Volume 6827, 68270E (2007) https://doi.org/10.1117/12.756615

KEYWORDS: LCDs, Single photon detectors, Microcontrollers, Quantum key distribution, Avalanche photodetectors, Clocks, Telecommunications, Data conversion, Single photon, Photon counting

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Proceedings Article | 26 November 2007 Paper

Photonic technology in quantum information challenges quantum limitation

Songhao Liu, Jindong Wang, Changjun Liao

Proceedings Volume 6827, 68270F (2007) https://doi.org/10.1117/12.756908

KEYWORDS: Photons, Quantum information, Electrons, Single photon, Quantum dots, Quantum key distribution, Polarization, Quantum communications, Quantum wells, Single photon detectors

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Proceedings Article | 26 November 2007 Paper

An infrared single photon detector based on avalanche photodiodes with transmission lines

Jin-dong Wang, Bing Zhang, Zheng-jun Wei, Chang-jun Liao, Song-hao Liu

Proceedings Volume 6827, 68270R (2007) https://doi.org/10.1117/12.756983

KEYWORDS: Avalanche photodetectors, Single photon, Switches, Resistance, Avalanche photodiodes, Quenching (fluorescence), Capacitance, Signal detection, Single photon detectors, Pulse generators

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Proceedings Article | 11 January 2007 Paper

Photon emitting, absorption, and reconstruction of photons

Changjun Liao, Jindong Wang, Zhengjun Wei, Jianping Guo

Proceedings Volume 6279, 627920 (2007) https://doi.org/10.1117/12.725263

KEYWORDS: Absorption, Quantum information, Polarization, Chemical species, Electromagnetism, Single photon, Avalanche photodetectors, Sensors, Photon polarization, Quantum communications

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Proceedings Article | 9 June 2006 Paper

Study on cooling control of APD in the single-photon detection system

Jinyun Zhou, Wen-yan Pei, Wei-jiang Wang, Chang-jun Liao, Song-hao Liu

Proceedings Volume 6149, 614909 (2006) https://doi.org/10.1117/12.674196

KEYWORDS: Avalanche photodetectors, Sensors, Control systems, HVAC controls, Temperature metrology, Semiconductors, Single photon, Amplifiers, Control systems design, Temperature sensors

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Proceedings Article | 28 January 2006 Paper

Practical quantum key distribution system for high-speed optical fiber communications

Changjun Liao, Liming Zheng, Songhao Liu

Proceedings Volume 6025, 602517 (2006) https://doi.org/10.1117/12.667053

KEYWORDS: Quantum key distribution, Telecommunications, Optical communications, Quantum communications, Single photon, Signal attenuation, Sensors, Fiber optic communications, Information security, Image encryption

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Proceedings Article | 25 March 2004 Paper

Tailoring the EL spectrum of the GaAlInP DBR LED by the one-dimensional GaAlAs/AlAs photonic band-gap structure

Hao Wang, Changjun Liao, Guanghan Fan, Jiye Cai

Proceedings Volume 5277, (2004) https://doi.org/10.1117/12.532749

KEYWORDS: Electroluminescence, Light emitting diodes, Photonic crystals, Metalorganic chemical vapor deposition, Fluctuations and noise, Distributed Bragg reflectors, Photonic crystal devices, Applied physics, Analog electronics, Structural design

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Proceedings Article | 25 March 2004 Paper

Characterization of the self-assembled InP structure grown on the GaInP epitaxial layer mismatched to GaAs substrate by near-field scanning optical microscopy（NSOM）

Hao Wang, Changjun Liao, Guanghan Fan, Song-Hao Liu, Yangzhe Wu, Bin Wang, Gucheng Zeng, Jiye Cai

Proceedings Volume 5277, (2004) https://doi.org/10.1117/12.532752

KEYWORDS: Near field scanning optical microscopy, Indium gallium phosphide, Gallium arsenide, Scanning electron microscopy, Quantum dots, Metalorganic chemical vapor deposition, Optical spheres, Semiconductors, Near field optics, Solids

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Proceedings Article | 13 September 2002 Paper

Sending quantum bits with rotating photons

Songhao Liu, Changjun Liao

Proceedings Volume 4917, (2002) https://doi.org/10.1117/12.483022

KEYWORDS: Photons, Quantum communications, Polarization, Quantum key distribution, Phase modulation, Birefringence, Optical components, Modulators, Wavelets, Fiber optic communications

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Proceedings Article | 13 September 2002 Paper

Low-loss transmission of quantum bits by wavelets

Changjun Liao, Songhao Liu

Proceedings Volume 4917, (2002) https://doi.org/10.1117/12.483021

KEYWORDS: Quantum communications, Photons, Wavelets, Polarization, Interferometers, Modulators, Absorption, Quantum key distribution, Mach-Zehnder interferometers, Single photon

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Proceedings Article | 28 August 2002 Paper

Reflected spectrum nonreciprocity in a uniform periodic fiber Bragg grating

Ge Du, Weiping Liu, Liming Zheng, Duoying Zhang, Xiaofeng Chen, Changjun Liao, Songhao Liu

Proceedings Volume 4904, (2002) https://doi.org/10.1117/12.481222

KEYWORDS: Fiber Bragg gratings, Analytical research, Absorption, Modulation, Wave propagation, Germanium, Refractive index, UV optics, Ultraviolet radiation, Control systems

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Proceedings Article | 9 October 2000 Paper

Phase shift that erbium-doped fiber amplifiers induce

Ning Liu, Changjun Liao, Songhao Liu, Qi Guo, Wencheng Xu

Proceedings Volume 4225, (2000) https://doi.org/10.1117/12.402735

KEYWORDS: Optical amplifiers, Phase shifts, Ions, Erbium, Fiber amplifiers, Absorption, Wavelength division multiplexing, Telecommunications, Optical fibers, Wave propagation

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Proceedings Article | 9 October 2000 Paper

Suppression and elimination of reflected-spectrum sidelobes of fiber-Bragg-grating-based optical add/drop multiplexers in dense wavelength-division-multiplexed systems

Weiping Liu, Ge Du, Yule Zhong, Junkai Huang, Changjun Liao, Songhao Liu

Proceedings Volume 4225, (2000) https://doi.org/10.1117/12.402742

KEYWORDS: Ultraviolet radiation, Fiber Bragg gratings, Dense wavelength division multiplexing, Multiplexers, Multiplexing, Apodization, Telecommunications, Deep ultraviolet, Quantum electronics, Optical fibers

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Proceedings Article | 9 October 2000 Paper

Fiber local access network based on fiber Bragg gratings

Ge Du, Weiping Liu, Duoying Zhang, Changjun Liao, Songhao Liu

Proceedings Volume 4225, (2000) https://doi.org/10.1117/12.402736

KEYWORDS: Fiber Bragg gratings, Networks, Copper, Fiber to the x, Broadband telecommunications, Structured optical fibers, Optical components, Switching, Network architectures, Optical fiber cables

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Proceedings Article | 22 May 1995 Paper

Theoretical research on color indirect effects

T. Liu, Changjun Liao, Songhao Liu

Proceedings Volume 2393, (1995) https://doi.org/10.1117/12.209852

KEYWORDS: Content addressable memory, Color vision, Ultraviolet radiation, Medicine, Stars, Quantum physics, Visual process modeling, Cancer, Physiology, Neuroscience

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Proceedings Article | 28 October 1992 Paper

Statistic measurement of characteristic parameters in magneto-optic storage system

Mingzhi Li, Wen Jiang, Changjun Liao

Proceedings Volume 1816, (1992) https://doi.org/10.1117/12.131342

KEYWORDS: Statistical analysis, Magneto-optics, Electro optics, Modulation, Convolution, Plutonium, Lithium, Quantum electronics, Geometrical optics, Optical testing

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Proceedings Article | 23 October 1992 Paper

Nonlinearity enhancement at boundary promoting spatial soliton emission

Changjun Liao, Dong-Ying Bee, Chung-Ji Li

Proceedings Volume 1813, (1992) https://doi.org/10.1117/12.131260

KEYWORDS: Waveguides, Spatial solitons, Electrons, Gallium arsenide, Cladding, Switching, Electro optics, Diffusion, Solitons, Optoelectronic devices

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Showing 5 of 17 publications

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