Prof. Wei Zhang Profile

Prof. Wei Zhang

at Tsinghua Univ

SPIE Involvement:

Author

Publications (29)

SPIE Journal Paper | 31 July 2024 Open Access

Enhanced terahertz generation via plasma modulation on two bunches

Hanqi Feng, Fang Liu, Lixin Yan, Wenhui Huang, Kaiyu Cui, Xue Feng, Wei Zhang, Yidong Huang

APN, Vol. 3, Issue 04, 046014, (July 2024) https://doi.org/10.1117/12.10.1117/1.APN.3.4.046014

KEYWORDS: Terahertz radiation, Plasma, Modulation, Plasma generation, Electron beams, Bubbles, Simulations, Education and training, Picosecond phenomena, Magnetism

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Proceedings Article | 3 November 2016 Paper

Fiber-based frequency-degenerate polarization-entanglement photon pair sources for information encoding

Feng Zhu, Wei Zhang, Yidong Huang

Proceedings Volume 10029, 100290O (2016) https://doi.org/10.1117/12.2247563

KEYWORDS: Polarization, Photon polarization, Fiber couplers, Visibility, Four wave mixing, Computer programming, Optical fibers, Quantum information, Beam splitters, Nonlinear optics

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Proceedings Article | 14 March 2016 Paper

Demonstration of hetero optomechanical crystal nanobeam cavities with high mechanical frequency

Zhilei Huang, Kaiyu Cui, Guoren Bai, Yongzhuo Li, Xue Feng, Fang Liu, Wei Zhang, Yidong Huang

Proceedings Volume 9756, 97560N (2016) https://doi.org/10.1117/12.2212133

KEYWORDS: Photonic crystals, Crystals, Phonons, Quantum optics, Photonic crystal devices, Quantum mechanics, Mechanical sensors, Mechanical efficiency, Estimation theory, Silicon, Waveguides, Environmental sensing, Scanning electron microscopy, Plasma etching

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Proceedings Article | 24 October 2014 Paper

Wave guiding by low refractive-index strips on surfaces of Chalcogenide glass thin films

Yanfen Zhai, Wei Zhang, Yidong Huang

Proceedings Volume 9270, 92700X (2014) https://doi.org/10.1117/12.2071662

KEYWORDS: Waveguides, Thin films, Chalcogenide glass, Silicon, Optical fibers, Photonic devices, Refractive index, Signal attenuation, Etching, Ultraviolet radiation

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Proceedings Article | 27 February 2013 Paper

Broadband thermo-optic switch based on a W2 photonic crystal waveguide

Kaiyu Cui, Xue Feng, Yidong Huang, Qiang Zhao, Zhilei Huang, Wei Zhang

Proceedings Volume 8630, 863018 (2013) https://doi.org/10.1117/12.2004138

KEYWORDS: Switching, Switches, Thermal optics, Waveguides, Aluminum, Photonic crystals, Optical switching, Silicon, Titanium, Silica

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Proceedings Article | 5 December 2012 Paper

Flexible PMMA pipe for terahertz propagation

Jing Liu, Mingfei Xiao, Jingling Shen, Wei Zhang

Proceedings Volume 8562, 85620R (2012) https://doi.org/10.1117/12.999916

KEYWORDS: Waveguides, Terahertz radiation, Polymethylmethacrylate, Signal attenuation, Wave propagation, Cameras, Photography, Dielectrics, Carbon dioxide lasers, Imaging spectroscopy

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Proceedings Article | 29 November 2012 Paper

Hong-Ou-Mandel interference experiment of two independent heralded single photon sources in an optical fiber with birefringence

Tianyi Ma, Qiang Zhou, Wei Zhang, Yidong Huang, Xiaowei Cui, Mingquan Lu, Zhenming Feng

Proceedings Volume 8554, 85540F (2012) https://doi.org/10.1117/12.999826

KEYWORDS: Photons, Polarization, Signal detection, Single photon, Birefringence, Optical fibers, Single photon detectors, Optical filters, Quantum information, Scattering

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Proceedings Article | 29 November 2012 Paper

Properties of high quality heralded single photon source based on fibers at 1.5 um

Qiang Zhou, Wei Zhang, Yidong Huang, Jiangde Peng

Proceedings Volume 8554, 85540H (2012) https://doi.org/10.1117/12.2000998

KEYWORDS: Optical fibers, Single photon, Photon counting, Raman spectroscopy, Optical filters, Signal detection, Quantum information, Photodetectors, Nonlinear optics, Information technology

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Proceedings Article | 29 November 2012 Paper

Quantum light sources based on third-order nonlinear waveguides

Wei Zhang, Qiang Zhou, Yidong Huang, Jiangde Peng

Proceedings Volume 8554, 85540E (2012) https://doi.org/10.1117/12.2000684

KEYWORDS: Waveguides, Polarization, Silicon, Scattering, Photon polarization, Photon counting, Optical fibers, Light sources, Signal detection, Single photon

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Proceedings Article | 26 October 2011 Paper

Polarization entangled photon pair generation in optical fibers with birefringence

Wei Zhang, Qiang Zhou, Pengxiang Wang, Yidong Huang, Jiangde Peng

Proceedings Volume 8011, 80114P (2011) https://doi.org/10.1117/12.902030

KEYWORDS: Polarization, Photon polarization, Scattering, Birefringence, Optical fibers, Photon counting, Signal detection, Light scattering, Dispersion, Fiber Bragg gratings

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Proceedings Article | 19 January 2011 Paper

Jierong Cheng, Qiang Zhou, Wei Zhang, Yidong Huang, Jiangde Peng

Proceedings Volume 7986, 798606 (2011) https://doi.org/10.1117/12.888587

KEYWORDS: Polarization, Photon polarization, Waveguides, Silicon, Photon counting, Optical fibers, Bandpass filters, Photodetectors, Four wave mixing, Fiber Bragg gratings

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Proceedings Article | 3 January 2011 Paper

Hollow-core Bragg fiber and its application in trace gas sensing

Lichao Shi, Wei Zhang, Jie Jin, Yidong Huang, Jiangde Peng

Proceedings Volume 7990, 799008 (2011) https://doi.org/10.1117/12.888468

KEYWORDS: Methane, Mid-IR, FT-IR spectroscopy, Cladding, Photonic crystals, Absorption, Waveguides, Glasses, Structured optical fibers, Nitrogen

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Proceedings Article | 11 November 2008 Paper

All fiber tunable band-pass filter based on dual acousto-optic mode coupling

Ren Miao, Wei Zhang, Xue Feng, Jianhui Zhao, Xiaoming Liu

Proceedings Volume 7134, 713434 (2008) https://doi.org/10.1117/12.803305

KEYWORDS: Acoustics, Acousto-optics, Cladding, Linear filtering, Bandpass filters, Single mode fibers, Optical filters, Tunable filters, Solids, Light emitting diodes

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Proceedings Article | 11 November 2008 Paper

Qiang Zhou, Wei Zhang, Jierong Cheng, Xiao Li, Yidong Huang, Jiangde Peng

Proceedings Volume 7134, 71340R (2008) https://doi.org/10.1117/12.803268

KEYWORDS: Fiber Bragg gratings, Optical filters, Nonlinear optics, Optical amplifiers, Bandpass filters, Dispersion, Signal detection, Photodetectors, Linear filtering, Signal generators

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SPIE Journal Paper | 1 December 2006

Large dispersion properties and nonlinear effects in up/down doping honeycomb photonic crystal fiber

Guangyu Xu, Wei Zhang, Yidong Huang, Jiangde Peng

OE, Vol. 45, Issue 12, 125004, (December 2006) https://doi.org/10.1117/12.10.1117/1.2404896

KEYWORDS: Dispersion, Doping, Structured optical fibers, Photonic crystal fibers, Waveguides, Solids, Cladding, Silica, Optical engineering, Nonlinear optics

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Proceedings Article | 10 October 2006 Paper

A source of polarization entangled photon pairs based on two-dimensional photonic crystals

Li Xiao, Yin Wang, Wei Zhang, Yidong Huang, Jiangde Peng

Proceedings Volume 6352, 63520Q (2006) https://doi.org/10.1117/12.688290

KEYWORDS: Polarization, Photonic crystals, Photon polarization, Nonlinear crystals, Crystals, Dispersion, Aluminum, Gallium, Signal processing, Structural design

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Proceedings Article | 4 October 2006 Paper

Generation of broadband continuous-wave supercontinuum Raman lasing in a fiber ring cavity

Wei Zhang, Yan Wang, Li Xiao, Jiangde Peng

Proceedings Volume 6351, 63511Y (2006) https://doi.org/10.1117/12.691554

KEYWORDS: Raman spectroscopy, Fiber lasers, Raman scattering, Continuous wave operation, Fourier transforms, Polarization, Picosecond phenomena, Modulation, Structured optical fibers

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Proceedings Article | 27 April 2006 Paper

Fabrication technique of nanograting using AFM

Huimin Xie, Zhanwei Liu, Ming Zhang, Wei Zhang, Anand Asundi

Proceedings Volume 6188, 618807 (2006) https://doi.org/10.1117/12.663058

KEYWORDS: Nanolithography, Fabrication, Atomic force microscope, Phase shifting, Mechanics, Manufacturing, Silicon, Atomic force microscopy, Nanotechnology, Aerospace engineering

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Proceedings Article | 28 January 2006 Paper

Optical properties of solid core honeycomb photonic crystal fiber with different doping levels

Guangyu Xu, Wei Zhang, Yidong Huang, Jiangde Peng

Proceedings Volume 6025, 602505 (2006) https://doi.org/10.1117/12.666985

KEYWORDS: Dispersion, Doping, Solids, Structured optical fibers, Photonic crystal fibers, Waveguides, Optical properties, Cladding, Raman spectroscopy, Silica

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Proceedings Article | 6 December 2005 Paper

Quasi-3D photonic crystal waveguide with matching layer structure

Panxiao Wang, Yidong Huang, Wei Zhang, Jiangde Peng

Proceedings Volume 6020, 60200T (2005) https://doi.org/10.1117/12.636389

KEYWORDS: Reflectivity, Gallium arsenide, Waveguides, Photonic crystals, Dispersion, Aluminum, Optoelectronics, Polarization, Refractive index, Distributed Bragg reflectors

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Proceedings Article | 6 December 2005 Paper

High-nonlinearity holey fibers at wavelength of optical communication with triangular transverse structure and Ge-doped core

Lei Zhang, Wei Zhang, Yidong Huang, Jiangde Peng

Proceedings Volume 6019, 60191H (2005) https://doi.org/10.1117/12.636375

KEYWORDS: Optical fibers, Germanium, Optical communications, Dispersion, Doping, Numerical simulations, Nonlinear optics, Silica, Optical amplifiers, Partial differential equations

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Proceedings Article | 6 December 2005 Paper

Low-loss optical modes guided in Bragg fiber arrays

Chenxi Lin, Wei Zhang, Yidong Huang, Jiangde Peng

Proceedings Volume 6019, 60190R (2005) https://doi.org/10.1117/12.636306

KEYWORDS: Cladding, Waveguides, Photonic crystals, Chemical species, Molecules, Structured optical fibers, Radio propagation, Reflectivity, Optical microcavities, Molecular interactions

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Proceedings Article | 19 March 2004 Paper

Human-computer interaction in freeform object design and simultaneous manufacturing

Wei Zhang, Heng Lin, Liang Ma, Delin Chen

Proceedings Volume 5444, (2004) https://doi.org/10.1117/12.561171

KEYWORDS: Manufacturing, Design for manufacturability, Human-computer interaction, Product engineering, Virtual reality, Rapid manufacturing, Visualization, Optical spheres, LCDs, Computing systems

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Proceedings Article | 1 April 2003 Paper

Freeform object design and simultaneous manufacturing

Wei Zhang, Weihan Zhang, Heng Lin, Ming Leu

Proceedings Volume 4756, (2003) https://doi.org/10.1117/12.497838

KEYWORDS: Manufacturing, Computer aided design, Design for manufacturability, Product engineering, Virtual reality, Visualization, Rapid manufacturing, 3D modeling, Computing systems, 3D displays

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Proceedings Article | 1 April 2003 Paper

Analytical and experimental study of freeform object design and simultaneous manufacturing

Weihan Zhang, Wei Zhang, Xiaofang Wang, Jingbin Yan

Proceedings Volume 4756, (2003) https://doi.org/10.1117/12.497822

KEYWORDS: Computer aided design, Manufacturing, Design for manufacturability, Solid modeling, Virtual reality, Statistical analysis, Statistical modeling, Computing systems, Prototyping, Product engineering

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Proceedings Article | 26 November 2001 Paper

Dynamic digital speckle interferometry applied to optical diagnosis of gas-liquid phase change

Yaozu Song, Hongling Zhang, Wei Zhang, Tianfeng Jiao

Proceedings Volume 4448, (2001) https://doi.org/10.1117/12.449367

KEYWORDS: Interfaces, Temperature metrology, Liquids, Speckle, Speckle interferometry, Control systems, Measurement devices, Phase measurement, Photography, Holographic interferometry

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In this paper, a Dynamic Digital Speckle Interferometry (DDSI) applied to optical diagnosis of gas-liquid phase change is proposed. The basic principle and experimental system of the DDSI are presented. This technology of flow optical diagnosis has the following three main advantages. First, DDSI uses a CCD camera as record device of a specklegram and a microcomputer, which processes the specklegrams to obtain a speckle interferogram. Therefore, the DDSI does not need the photographic film and optical dark room that usually are needed for holographic interferometry and speckle photography. Second, in DDSI technique, the information of density field in flow is obtained by using a double exposure with and without flow variation respectively. As a result, it can automatically eliminate the effect of the density nonuniformity of the optical windows of test section on the density measurement (like holographic interferometry). Third, the DDSI can be used for dynamic visualization and real time measurement of continuous variation of density with time in flow (like M-Z interferometry). The gas-liquid phase change process of freon R13 is investigated experimentally. By means of the DDSI technique, both density distributions in gas phase and liquid phase of R13, which are located on two sides of gas-liquid interface respectively, can be measured when gas-liquid phase change occurs. It is also observed that the interface between gas-phase and liquid-phase has a thickness of the order of hundreds micrometers, when the temperature of R13 flow comes close to its critical temperature. The variation laws of the interface thickness with the temperature of R13 are discussed. The interface behaviors of movement, disappearance and renewal are presented. The investigations show that DDSI is very suitable for the optical diagnosis of gas-liquid phase change in mini or micro scale. It provides an effective method for experimental investigations on heat transfer and flow in mini or micro scale.

Proceedings Article | 17 October 2001 Paper

Theoretical analysis double Rayleigh scattering's influences on noise characteristics of distributed fiber Raman amplifiers

Wei Zhang, Jian Chen, Jiangde Peng, Xiaoming Liu, Chongcheng Fan

Proceedings Volume 4581, (2001) https://doi.org/10.1117/12.445038

KEYWORDS: Receivers, Interference (communication), Raman spectroscopy, Fiber amplifiers, Optical amplifiers, Rayleigh scattering, Signal to noise ratio, Backscatter, Fiber characterization, Polarization

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Proceedings Article | 17 October 2001 Paper

Design gain characteristic of dual-pump fiber Raman amplifier

Jian Chen, Wei Zhang, Xiaoming Liu, Jiangde Peng, BingKun Zhou

Proceedings Volume 4581, (2001) https://doi.org/10.1117/12.445039

KEYWORDS: Fiber amplifiers, Raman spectroscopy, Amplifiers, Fiber characterization, Optical amplifiers, Structured optical fibers, Raman scattering, Signal attenuation, Light, Rayleigh scattering

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Proceedings Article | 17 October 2001 Paper

L-band EDFA efficiency enhancement and dynamic range extension by C-band laser injection

Yanbin Zhang, Xiaoming Liu, Jiangde Peng, Wei Zhang

Proceedings Volume 4581, (2001) https://doi.org/10.1117/12.445033

KEYWORDS: L band, Optical amplifiers, Fiber lasers, Absorption, Wavelength division multiplexing, Erbium lasers, Tunable lasers, Light, Fiber amplifiers, Erbium

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Showing 5 of 29 publications

Conference Committee Involvement (1)

Asia-Pacific Optical and Wireless Communications 2002

14 October 2002 | Shanghai, China

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