Prof. Yunxin Wang Profile

Prof. Yunxin Wang

Instructor at Beijing Univ of Technology

SPIE Involvement:

Author

Publications (94)

Proceedings Article | 23 November 2024 Paper

High-fidelity phase retrieval via combined constraints framework

Feifan Fan, Dayong Wang, Jie Zhao, Lu Rong, Yunxin Wang, Shufeng Lin

Proceedings Volume 13240, 132400E (2024) https://doi.org/10.1117/12.3036349

KEYWORDS: Phase retrieval, Holography, Digital holography, Reconstruction algorithms

Read Abstract +

Proceedings Article | 8 November 2024 Paper

Analysis for modulation depth of light pumped THz-SLM based on continuous THz waves

Yin Lin, Yunxin Wang, Dayong Wang, Jie Zhao, Lu Rong, Shu-Feng Lin

Proceedings Volume 13247, 1324708 (2024) https://doi.org/10.1117/12.3036404

KEYWORDS: Modulation, Terahertz radiation, Silicon, Semiconducting wafers, Wafer level optics, Semiconductors, Infrared radiation, Reflection, Photomasks, Optical modulators

Read Abstract +

Proceedings Article | 8 November 2024 Paper

Super-resolution imaging of terahertz rotating coherent scattering microscopy based on deep-learning method

Chenyu Zhao, Dayong Wang, Jie Zhao, Lu Rong, Yunxin Wang, Shufeng Lin

Proceedings Volume 13247, 1324706 (2024) https://doi.org/10.1117/12.3035938

KEYWORDS: Image restoration, Education and training, Image resolution, Terahertz radiation, Super resolution, Light sources and illumination, Image quality, Deep learning, Content addressable memory, Scattering

Read Abstract +

Proceedings Article | 18 March 2024 Paper

Photonic-assisted generation of chirp microwave waveforms with switchable bands and immunity of dispersion-induced power fading

Xiao Liu, Yunxin Wang, Jing Zhang, Yu Zhang

Proceedings Volume 13104, 1310447 (2024) https://doi.org/10.1117/12.3023563

KEYWORDS: Signal generators, Polarization, Single sideband modulation, Phase shifts, Modulation, X band, Modulation frequency

Read Abstract +

Proceedings Article | 6 November 2023 Paper

Design and analysis of an optical frequency comb structure based on a lithium niobate thin film

Zhuo Wang, Dengcai Yang, Feng Yang, Yunxin Wang, Jianfeng Bao

Proceedings Volume 12921, 129214C (2023) https://doi.org/10.1117/12.2691791

KEYWORDS: Waveguides, Lithium niobate, Frequency combs, Electrodes, Thin films, Signal processing, Electrooptic modulators, Electro optics, Power consumption, Phase modulation

Read Abstract +

Proceedings Article | 28 September 2023 Paper

Temperature-insensitive strain measurement using a microwave photonic filter based on chirped fiber Bragg gratings

Jing Zhang, Yuanfen Zhou, Yunxin Wang, Dayong Wang

Proceedings Volume 12813, 128130F (2023) https://doi.org/10.1117/12.2692226

KEYWORDS: Fiber Bragg gratings, Dispersion, Microwave photonic filters, Michelson interferometers, Fiber optics sensors

Read Abstract +

Proceedings Article | 1 August 2023 Paper

High-resolution spectral response measurement based on single sideband modulation

Dengcai Yang, Lingge Feng, Feng Yang, Yunxin Wang

Proceedings Volume 12752, 127520O (2023) https://doi.org/10.1117/12.2691429

KEYWORDS: Spectral response, Light sources, Signal detection, Single sideband modulation, Spectroscopy, Microwave radiation, Spectral resolution, Optical filters, Optical components, Modulation frequency

Read Abstract +

Proceedings Article | 1 August 2023 Paper

A method for generating reconfigurable photonic arbitrary phase-coded microwave signals with fundamental/double/triple carrier frequencies

Jing Yin, Yan Zhao, Feng Yang, Dengcai Yang, Yunxin Wang

Proceedings Volume 12752, 127520P (2023) https://doi.org/10.1117/12.2691672

KEYWORDS: Polarization, Microwave radiation, Binary data, Phase shift keying, Microwave photonics, Photonic microstructures, Neodymium, Signal generators, Modulation frequency, Modulation

Read Abstract +

Proceedings Article | 27 January 2023 Paper

Design and fabrication of terahertz Dammann grating

Hao Lin, He Ma, Lu Rong, Yunxin Wang, Jie Zhao, Shufeng Lin, Xinping Zhang, Dayong Wang

Proceedings Volume 12550, 125502F (2023) https://doi.org/10.1117/12.2666967

KEYWORDS: Diffraction, Diffraction gratings, Etching, Design and modelling, Fabrication, Terahertz radiation, Silicon, Beam splitters, Wet etching, Photomasks

Read Abstract +

Proceedings Article | 27 January 2023 Paper

Simulation and design of cascade modulator based on lithium niobate thin film

Shuo Yu, Yunxin Wang, Dengcai Yang, Jiianfeng Bao, Dayong Wang, Kexin Li

Proceedings Volume 12550, 125501X (2023) https://doi.org/10.1117/12.2666803

KEYWORDS: Modulators, Electrodes, Phase shift keying, Modulation, Waveguides, Lithium niobate, 3D modeling, Refractive index, Thin films, Microwave radiation

Read Abstract +

Proceedings Article | 20 December 2022 Presentation

A survey of full-color holographic 3D display based on single SLM

Shufeng Lin, Dayong Wang, Lu Rong, Yunxin Wang, Jie Zhao

Proceedings Volume 12318, 1231818 (2022) https://doi.org/10.1117/12.2642208

KEYWORDS: 3D displays, Spatial light modulators, Holography, Multiplexing, Holograms, Displays, 3D image reconstruction, 3D image processing, Time division multiplexing, Modulation

Read Abstract +

Proceedings Article | 19 December 2022 Poster + Paper

Design and simulation comparison of terahertz surface wave based on grating coupling method

Kunlun Li, Dayong Wang, Lu Rong, Jie Zhao, Shufeng Lin, Yunxin Wang, Tong Zhang

Proceedings Volume 12318, 123182A (2022) https://doi.org/10.1117/12.2643535

KEYWORDS: Metals, Reflection, Terahertz radiation, Wave propagation, Optical design, Refractive index, Silicon, Light wave propagation

Read Abstract +

Proceedings Article | 19 December 2022 Presentation + Paper

Improved reconstruction with Butterworth-weighted transfer function for Fourier ptychographic microscopy

Jie Zhao, Dayong Wang, Yaqian Han, Shufeng Lin, Yunxin Wang, Lu Rong

Proceedings Volume 12318, 123181H (2022) https://doi.org/10.1117/12.2643566

KEYWORDS: Light emitting diodes, Lawrencium, Imaging systems, Contrast transfer function, Image quality, Image processing, Coherence imaging, Microscopy, Spatial coherence, Image resolution

Read Abstract +

Proceedings Article | 16 December 2022 Presentation + Paper

Microwave photonic radar for distance and direction measurement of multiple targets

Zheng He, Yunxin Wang, Feng Yang, Dayong Wang, Zhe Liu, Xueyuan Hou, Lu Rong

Proceedings Volume 12324, 1232407 (2022) https://doi.org/10.1117/12.2643568

KEYWORDS: Target detection, Distance measurement, Radar, Microwave photonics, Signal detection, Polarization, Receivers, Modulation

Read Abstract +

Proceedings Article | 15 December 2022 Paper

Microwave photonics self-interference cancellation and frequency down-conversion for distributed full duplex communication systems

Zhe Liu, Dayong Wang, Yunxin Wang, Tianhua Xu, Peihan Li, Feng Yang, Zheng He

Proceedings Volume 12478, 124783I (2022) https://doi.org/10.1117/12.2654827

KEYWORDS: Silicon, Modulation, Strontium, Modulators, Telecommunications, Microwave photonics, Single mode fibers, Signal generators, Quadrature amplitude modulation, Antennas

Read Abstract +

Proceedings Article | 15 December 2022 Paper

Study on space/frequency domain response mechanism of optical synthetic aperture imaging system

Ce Liu, Jie Zhao, Dayong Wang, Yunxin Wang, Lu Rong, Shufeng Lin

Proceedings Volume 12478, 124782W (2022) https://doi.org/10.1117/12.2654787

KEYWORDS: Imaging systems, Point spread functions, Modulation transfer functions, Image restoration, Imaging arrays, Time division multiplexing, Image resolution, Optical imaging, Image processing, Synthetic aperture imaging

Read Abstract +

Proceedings Article | 15 December 2022 Paper

Single-shot ptychography based on spatial light modulator multi-angle modulation

Xiang Long, Lu Rong, Hao Lin, Yunxin Wang, Jie Zhao, Shufeng Lin, Dayong Wang

Proceedings Volume 12478, 124783Q (2022) https://doi.org/10.1117/12.2654859

KEYWORDS: Reconstruction algorithms, Diffraction, Sensors, Modulation, Spatial light modulators, Beam splitters, Phase shift keying, Laser beam diagnostics, Data acquisition, Diffraction gratings

Read Abstract +

Proceedings Article | 27 March 2022 Paper

A non-uniform grating coupler with high coupling efficiency on LNOI

Zijin Song, Dengcai Yang, Meihua Xiang, Zhiyu Chen, Deyang Li, Yunxin Wang

Proceedings Volume 12169, 121698Q (2022) https://doi.org/10.1117/12.2625180

KEYWORDS: Diffraction gratings, Waveguides, Optical fibers, Finite-difference time-domain method, Lithium niobate, Etching, Diffraction, Thin films, Reflectivity, Metals

Read Abstract +

Proceedings Article | 27 March 2022 Paper

A spot-size converter designed with a SU8 polymer cladding for LNOI waveguide

Deyang Li, Dengcai Yang, Meihua Xiang, Zhiyu Chen, Zijin Song, Yunxin Wang

Proceedings Volume 12169, 121697O (2022) https://doi.org/10.1117/12.2625049

KEYWORDS: Waveguides, Cladding, Polymers, Refractive index, Lithium niobate, Polymer multimode waveguides, Integrated optics, Waveguide modes, Semiconducting wafers, Polarization

Read Abstract +

Proceedings Article | 18 June 2021 Paper

Continuous-wave terahertz diffraction tomography based on digital holography

Xiaoyu Jin, Jie Zhao, Dayong Wang, Yunxin Wang, Lu Rong

Proceedings Volume 11850, 118500G (2021) https://doi.org/10.1117/12.2599266

Read Abstract +

Proceedings Article | 18 March 2021 Paper

Broadband photonic microwave signal processor with frequency up/down conversion and tunable OEO

Feng Yang, Dayong Wang, Yunxin Wang, Dengcai Yang, Xueyuan Hou

Proceedings Volume 11780, 117801T (2021) https://doi.org/10.1117/12.2590781

Read Abstract +

Proceedings Article | 5 March 2021 Poster

All-optical image-free microwave photonic down-conversion based on photonic phase shifting and LO frequency doubling

Dayong Wang, Feng Yang, Yunxin Wang

Proceedings Volume 11711, 117110O (2021) https://doi.org/10.1117/12.2593529

KEYWORDS: Second-harmonic generation, Phase shifting, Microwave photonics, Signal to noise ratio, Receivers, Phase shifts, Oscillators, Optical filters, Modulators, Microwave radiation

Read Abstract +

Proceedings Article | 10 October 2020 Poster + Paper

Simulation and analysis of heterogeneous intensity modulator based on lithium niobate and silicon nitride

Kexin Li, Yunxin Wang, Feng Yang, Dayong Wang, Dengcai Yang, Hongbiao Zhang

Proceedings Volume 11555, 1155513 (2020) https://doi.org/10.1117/12.2575256

KEYWORDS: Modulators, Silicon, Lithium niobate, Electrooptic modulators, Waveguides, Refractive index, Modulation, Wireless communications, Radar, Lithium

Read Abstract +

Proceedings Article | 10 October 2020 Poster + Paper

Simulation and analysis of single-mode beam splitter in lithium niobate thin film

Jianfeng Bao, Dengcai Yang, Yunxin Wang, Meihua Xiang, Kexin Li

Proceedings Volume 11555, 115550R (2020) https://doi.org/10.1117/12.2575187

KEYWORDS: Beam splitters, Lithium niobate, Optical simulations, Beam analyzers, Thin films, Integrated optics, Brain-machine interfaces, Light wave propagation, Optical components, Crystals

Read Abstract +

Proceedings Article | 12 March 2020 Paper

Improvement of imaging quality of Fourier ptychographic microscopy

Yan Sun, Dayong Wang, Yunxin Wang, Jie Zhao, Lu Rong

Proceedings Volume 11434, 1143412 (2020) https://doi.org/10.1117/12.2549199

KEYWORDS: Reconstruction algorithms, Deconvolution, Light emitting diodes, Microscopy, Image processing, Image quality, Imaging systems, Light sources, Imaging technologies, Light

Read Abstract +

Proceedings Article | 18 December 2019 Paper

Optimal design of a 1×4 liNbO3 optical switch based on Mach-Zehnder interferometer

Pingping Liu, Yinhua Cao, Dengcai Yang, Meihua Xiang, Yunxin Wang, Yukang Chen

Proceedings Volume 11334, 1133419 (2019) https://doi.org/10.1117/12.2547835

KEYWORDS: Waveguides, Optical switching, Directional couplers, Switches, Switching, Electro optics, Mach-Zehnder interferometers, Refractive index, Electrodes, Optical simulations

Read Abstract +

Proceedings Article | 18 December 2019 Paper

Traveling wave electrode design for a LiNbO3 integrated optical switch

Dengcai Yang, Yukang Chen, Meihua Xiang, Yunxin Wang, Pingping Liu

Proceedings Volume 11334, 113341B (2019) https://doi.org/10.1117/12.2548047

KEYWORDS: Electrodes, Switches, Electro optics, Optical switching, Modulation, Refractive index, Signal attenuation, Waveguides, Finite element methods

Read Abstract +

Proceedings Article | 20 November 2019 Paper

A triple-frequency microwave photonic link based on a polarization-multiplexing dual-parallel Mach-Zehnder modulator

Kexin Li, Hongbiao Zhang, Yunxin Wang, Feng Yang, Dayong Wang, Dengcai Yang

Proceedings Volume 11192, 111920G (2019) https://doi.org/10.1117/12.2537587

KEYWORDS: Microwave photonics, Modulators, Modulation, Bandpass filters, Optical filters, Photodetectors, Signal generators

Read Abstract +

Proceedings Article | 18 November 2019 Paper

Topography measurement by normal-incidence reflection ptychography

Chao Tang, Lu Rong, Fangrui Tan, Bing Li, Dayong Wang, Jie Zhao, Yunxin Wang

Proceedings Volume 11188, 1118815 (2019) https://doi.org/10.1117/12.2537963

KEYWORDS: Reflection, Beam splitters, Diffraction, Reflectivity, Sensors, Digital holography, Transmittance, Michelson interferometers, Holograms, Image resolution

Read Abstract +

SPIE Journal Paper | 20 June 2019

Reconfigurable microwave photonic frequency upconverter with local oscillator doubling or local oscillator quadrupling

Yunxin Wang, Jiahao Xu, Dayong Wang, Tao Zhou, Feng Yang, Dengcai Yang, Xin Zhong, Hongbiao Zhang, Lu Rong

OE, Vol. 58, Issue 06, 066111, (June 2019) https://doi.org/10.1117/12.10.1117/1.OE.58.6.066111

KEYWORDS: Upconversion, Modulation, Fiber Bragg gratings, Microwave photonics, Oscillators, Signal detection, Modulators, Optical engineering, Microwave radiation, Frequency conversion

Read Abstract +

SPIE Journal Paper | 23 February 2019 Open Access

Expanding the field-of-view and profile measurement of covered objects in continuous-wave terahertz reflective digital holography

Dayong Wang, Yanlin Zhao, Lu Rong, Min Wan, Xiaoyu Shi, Yunxin Wang, John Sheridan

OE, Vol. 58, Issue 02, 023111, (February 2019) https://doi.org/10.1117/12.10.1117/1.OE.58.2.023111

KEYWORDS: Digital holography, Terahertz radiation, 3D image reconstruction, Image fusion, Reflectivity, Holograms, Image registration, Continuous wave operation, Sensors, Wave propagation

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 9 November 2018 Paper

Numerical and experimental analysis of Bessel beam properties based on continuous-wave terahertz radiation

Zhihao Xu, Lu Rong, Dayong Wang, Bin Li, Yanlin Zhao, Jie Zhao, Yunxin Wang

Proceedings Volume 10826, 108261C (2018) https://doi.org/10.1117/12.2501241

KEYWORDS: Bessel beams, Axicons, Gaussian beams, Terahertz radiation, Continuous wave operation, Millimeter wave imaging, Refractive index, Sensors, Beam analyzers, Imaging systems

Read Abstract +

Proceedings Article | 9 November 2018 Paper

Encapsulated morphology measurement based on continuous-wave terahertz reflective off-axis digital holography

Yanlin Zhao, Dayong Wang, Lu Rong, Yunxin Wang, Jie Zhao, Zhihao Xu

Proceedings Volume 10826, 1082616 (2018) https://doi.org/10.1117/12.2501115

KEYWORDS: Terahertz radiation, Digital holography, Reflectivity, Holograms, Continuous wave operation, Nondestructive evaluation, Refractive index

Read Abstract +

Proceedings Article | 2 November 2018 Paper

Single assignment based nearest neighbor interpolation algorithm for digital holographic diffraction tomography

Yuanyuan Yuan, Yunxin Wang, Jie Zhao, Dayong Wang, Weining Chi, Lu Rong

Proceedings Volume 10818, 108181K (2018) https://doi.org/10.1117/12.2500360

KEYWORDS: Digital holography, Diffraction, Optical spheres, Tomography, Holography, Optical tomography, Fourier transforms, Scattering, Reconstruction algorithms, Charge-coupled devices

Read Abstract +

Proceedings Article | 24 May 2018 Presentation + Paper

Continuous-wave terahertz phase-contrast imaging

Dayong Wang, Lu Rong, Changchao Zhai, Yunxin Wang, Jie Zhao, Jinxin Guo

Proceedings Volume 10677, 106771X (2018) https://doi.org/10.1117/12.2309947

KEYWORDS: Diffraction, Continuous wave operation, Holography, Digital holography, Reconstruction algorithms, Terahertz radiation, Sensors, Image resolution, Phase retrieval, Absorption

Read Abstract +

Proceedings Article | 24 May 2018 Presentation + Paper

In-line and off-axis hybrid digital holography

Fengpeng Wang, Dayong Wang, Lu Rong, Yunxin Wang, Jie Zhao

Proceedings Volume 10677, 106771Q (2018) https://doi.org/10.1117/12.2306734

KEYWORDS: Holograms, 3D image reconstruction, Digital holography, Reconstruction algorithms, Phase retrieval, Beam splitters, Image retrieval, Holography, Fourier transforms, Digital imaging

Read Abstract +

SPIE Journal Paper | 15 February 2018

Application of continuous-wave terahertz computed tomography for the analysis of chicken bone structure

Bin Li, Dayong Wang, Lu Rong, Changchao Zhai, Yunxin Wang, Jie Zhao

OE, Vol. 57, Issue 02, 023105, (February 2018) https://doi.org/10.1117/12.10.1117/1.OE.57.2.023105

KEYWORDS: Computed tomography, X-rays, Terahertz radiation, Bone, X-ray computed tomography, Reconstruction algorithms, Continuous wave operation, Sensors, Imaging systems, Absorption

Read Abstract +

Proceedings Article | 12 January 2018 Paper

Measurement of 3D refractive index distribution by optical diffraction tomography

Weining Chi, Dayong Wang, Yunxin Wang, Jie Zhao, Lu Rong, Yuanyuan Yuan

Proceedings Volume 10620, 106201S (2018) https://doi.org/10.1117/12.2296310

KEYWORDS: Diffraction, Tomography, Refractive index, Fourier transforms, 3D image processing

Read Abstract +

Proceedings Article | 12 January 2018 Paper

Influences of overlap index on Fourier ptychography imaging

Honghong Wang, Lu Rong, Dayong Wang, Xu Zhang, Changchao Zhai, Spozmai Panezai, Yunxin Wang, Jie Zhao

Proceedings Volume 10620, 106201N (2018) https://doi.org/10.1117/12.2295548

KEYWORDS: Reconstruction algorithms, Phase retrieval, Image processing, Diffraction, Spectral resolution

Read Abstract +