Prof. Dao-Hua Zhang Profile

Prof. Dao-Hua Zhang

Full Professor at Nanyang Technological Univ

SPIE Involvement:

Author

Publications (21)

Proceedings Article | 13 March 2024 Presentation

Non-invasive super-resolution imaging through scattering media with fluctuating objects

Xiangwen Zhu, Cuong Dang, Sujit Kumar Sahoo, Giorgio Adamo, Landobasa Y. Tobing, Daohua Zhang

Proceedings Volume PC12851, PC128510B (2024) https://doi.org/10.1117/12.3002564

KEYWORDS: Super resolution, Scattering media, Speckle, Stochastic processes, Scattering, Resolution enhancement technologies, Optical imaging, Light sources and illumination, Deconvolution, Cameras

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Proceedings Article | 5 March 2021 Presentation + Paper

Photonic crystal MEMS emitter for chemical gas sensing

Nanxi Li, Linfang Xu, Qin Chao, Zhonghua Gu, Shiwei Song, Yanyan Zhou, Shaonan Zheng, Qingxin Zhang, Hong Cai, Daohua Zhang, Lennon Lee, Yun Da Chua, Qi Jie Wang

Proceedings Volume 11697, 116970M (2021) https://doi.org/10.1117/12.2581358

KEYWORDS: Photonic crystals, Industrial chemicals, Biological and chemical sensing, Microelectromechanical systems, Mid-IR, Thermal sensing, Silicon, Sensing systems, Optical sensors, Process control

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Proceedings Article | 13 May 2019 Paper

Localized surface plasmon enhanced infrared photodetectors for uncooled imaging systems

Dao-Hua Zhang, Jinchao Tong, Fei Suo

Proceedings Volume 10980, 109800P (2019) https://doi.org/10.1117/12.2520260

KEYWORDS: Photodetectors, Surface plasmons, Heterojunctions, Photodiodes, Semiconductors, Absorption, Imaging systems, Antimony, Mid-IR

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Proceedings Article | 27 March 2017 Paper

New processes associated with electron-beam lithography for ultra-small resonators

Landobasa Y. M. Tobing, Dao Hua Zhang

Proceedings Volume 10146, 101461Q (2017) https://doi.org/10.1117/12.2272621

KEYWORDS: Electron beam lithography, Resonators, Metals, Lithography, Photoresist processing, Split ring resonators, Nanotechnology, Magnetism, Visible radiation, Ultraviolet radiation, Aluminum, Gold, Silver, Standards development

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Proceedings Article | 27 February 2015 Paper

High-contrast grating reflectors for 980 nm vertical-cavity surface-emitting lasers

T. Czyszanowski, M. Gebski, O. Kuzior, A. Szerling, A. Wójcik-Jedlińska, N. Pałka, M. Wasiak, M. Dems, D. Zhang, Q. Wang, Y. Xie, Z. Xu

Proceedings Volume 9372, 937206 (2015) https://doi.org/10.1117/12.2080989

KEYWORDS: Reflectivity, Refractive index, Vertical cavity surface emitting lasers, Gallium arsenide, Reflectors, Polarization, Mirrors, Tolerancing, Solids, Interfaces

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Proceedings Article | 9 May 2014 Paper

Photonic heterostructure High Contrast Grating as a novel polarization control and light confinement system in HCG VCSEL

M. Gebski, M. Dems, J. Chen, W. Qijie, Z. Dao Hua, T. Czyszanowski

Proceedings Volume 9134, 91341H (2014) https://doi.org/10.1117/12.2052283

KEYWORDS: Vertical cavity surface emitting lasers, Mirrors, Refractive index, Heterojunctions, Reflectivity, Polarization control, Photon polarization, Resonators, Etching, Interfaces

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Proceedings Article | 19 February 2014 Paper

GaAs/AlOx high contrast gratings for 980nm VCSELs

M. Gebski, M. Dems, J. Chen, W. Qijie, Dao Hua Z., T. Czyszanowski

Proceedings Volume 8995, 89950C (2014) https://doi.org/10.1117/12.2039632

KEYWORDS: Vertical cavity surface emitting lasers, Refractive index, Mirrors, Reflectivity, Heterojunctions, Information operations, Photonics, Gallium arsenide, Resonators, Etching

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SPIE Journal Paper | 8 August 2013

Subwavelength interference lithography based on a unidirectional surface plasmon coupler

Xuefeng Yang, Shuxia Zhang, Dao Hua Zhang, Yueke Wang, Jian Wang

OE, Vol. 52, Issue 08, 086109, (August 2013) https://doi.org/10.1117/12.10.1117/1.OE.52.8.086109

KEYWORDS: Lithography, Aluminum, Surface plasmons, Interfaces, Surface plasmon polaritons, Optical lithography, Nanolithography, Diffraction, Nanostructures, Metals

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Proceedings Article | 1 May 2012 Paper

Metal-dielectric structures for high resolution imaging

D. H. Zhang, D. D. Li, Y. K. Wang, Z. J. Xu, C. C. Yan

Proceedings Volume 8423, 842303 (2012) https://doi.org/10.1117/12.923033

KEYWORDS: Nanoparticles, Silver, Optical spheres, Metals, Metamaterials, Image resolution, Surface plasmons, Lens design, Solids, Ultraviolet radiation

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Proceedings Article | 7 December 2011 Paper

Gain-assisted propagation of surface plasmon polaritons using electrically pumped quantum wells as active medium

Dao Hua Zhang, Yicen Li, Jinghua Teng, Ning Zhu, Ting Mei, Hui Zhang

Proceedings Volume 8308, 83080Z (2011) https://doi.org/10.1117/12.904638

KEYWORDS: Quantum wells, Surface plasmon polaritons, Metals, Refractive index, Wave propagation, Gold, Waveguides, Surface plasmons, Optoelectronics, Dielectrics

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Proceedings Article | 9 February 2009 Paper

1.3-um InAs quantum dot vertical cavity surface emitting lasers with planar electrode configuration

Y. Liu, D. H. Zhang, W. Wang, W. K. Loke, L. J. Zhao, S. F. Yoon, C. Z. Tong, W. J. Fan, D. W. Xu, Y. Ding, N. H. Zhu

Proceedings Volume 7158, 715807 (2009) https://doi.org/10.1117/12.810970

KEYWORDS: Vertical cavity surface emitting lasers, Indium arsenide, Oxides, Electrodes, Semiconducting wafers, Quantum dots, Temperature metrology, Modulation, Gallium arsenide, Oxidation

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Proceedings Article | 8 December 2004 Paper

SiCN and Ta/TaN barriers for Cu/ultra low-k integration in 0.13µm technology

D. Zhang, P. Foo, C. Li, L. Yang, Peiwei Lu

Proceedings Volume 5774, (2004) https://doi.org/10.1117/12.608171

KEYWORDS: Resistance, Copper, Diffusion, Plasma treatment, Tantalum, Dielectrics, Plasma enhanced chemical vapor deposition, Plasma, Thin films, Metals

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Proceedings Article | 20 September 2002 Paper

Characterization of GaInAsP/InP multiple quantum wells grown by solid source MBE for long-wavelength infrared detection

Lu Sun, Soon Fatt Yoon, Weijun Fan, Dao Hua Zhang, Chan Hin Kam, Ting Mei

Proceedings Volume 4919, (2002) https://doi.org/10.1117/12.465824

KEYWORDS: Doping, Satellites, Solids, Quantum wells, Interfaces, X-ray diffraction, Long wavelength infrared, Diffusion, Silicon, Molecular beam epitaxy

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Proceedings Article | 20 September 2002 Paper

Strained p-type InGaAs/AlGaAs multiple quantum well infrared photodetectors

Lu Sun, Ning Li, Z. Yuan, Junhao Chu, Wei Shi, Dao Hua Zhang, Soon Fatt Yoon

Proceedings Volume 4919, (2002) https://doi.org/10.1117/12.465825

KEYWORDS: Doping, Quantum well infrared photodetectors, Beryllium, Gallium, Infrared radiation, Quantum wells, Absorption, Infrared detectors, Diffusion, Black bodies

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Proceedings Article | 24 October 2000 Paper

Characterization of Si-doped GaInAsP/GaAs grown by solid source molecular beam epitaxy

Hai Qun Zheng, Soon Fatt Yoon, Dao Hua Zhang, Chan Hin Kam, X. Wang

Proceedings Volume 4227, (2000) https://doi.org/10.1117/12.405385

KEYWORDS: Silicon, Temperature metrology, Molecular beam epitaxy, Solids, Gallium arsenide, Raman spectroscopy, Doping, Arsenic, Raman scattering, Scattering

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Proceedings Article | 24 October 2000 Paper

Effect of flash copper on Cu diffusion

Rong Liu, Andrew Wee, Chao Yong Li, Dao Hua Zhang, Seow Loh, L. Zhang, Y. Lee

Proceedings Volume 4227, (2000) https://doi.org/10.1117/12.405390

KEYWORDS: Copper, Annealing, Chemical vapor deposition, Silicon, Diffusion, Resistance, Metalorganic chemical vapor deposition, Metals, Chemical species, Tantalum

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Proceedings Article | 23 October 2000 Paper

CVD Cu/IMP Cu/TaN/SiO2/Si structures

Rong Liu, Dao Hua Zhang, Chao Yong Li, Andrew Wee, Seow Loh

Proceedings Volume 4229, (2000) https://doi.org/10.1117/12.404876

KEYWORDS: Copper, Silicon, Annealing, Metalorganic chemical vapor deposition, Crystals, Chemical vapor deposition, Resistance, Metals, Diffusion, Chemical species

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Proceedings Article | 12 November 1999 Paper

Dual-wavelength response in double-barrier quantumwell infrared photodetectors

T. Osotchan, W. Shi, Dao Hua Zhang

Proceedings Volume 3896, (1999) https://doi.org/10.1117/12.370360

KEYWORDS: Absorption, Quantum well infrared photodetectors, Optical matrix switches, Heterojunctions, Optical components, Quantum wells, Aluminum, Transition metals, Photodetectors, Gallium arsenide

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Proceedings Article | 9 November 1999 Paper

Amorphous SiCN films prepared by ECR-CVD technique for photoconductive detectors

Yongsheng Gao, Dao Hua Zhang, J. Wei

Proceedings Volume 3899, (1999) https://doi.org/10.1117/12.369429

KEYWORDS: Silicon carbide, Silicon, Sensors, Chemical vapor deposition, Nitrogen, Microwave radiation, Hydrogen, Plasma, Methane, Carbon

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Proceedings Article | 9 November 1999 Paper

InGaAlAs/InAlAs multiple quantum well structures grown by molecular beam epitaxy for long-wavelength infrared detection

Xu Shi, Teng Wee, W. Zhang, Rong Liu, T. Osotchan, Soon Fatt Yoon, Dao Hua Zhang, P. Zhang

Proceedings Volume 3899, (1999) https://doi.org/10.1117/12.369396

KEYWORDS: Absorption, Luminescence, Long wavelength infrared, Quantum wells, Aluminum, Gallium, Molecular beam epitaxy, Quantum well infrared photodetectors, Solids, Sputter deposition

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Proceedings Article | 11 August 1999 Paper

Influence of IMP copper flash layer on the properties of copper films deposited by metal organic chemical vapor deposition

Dao Hua Zhang, Pang Dow Foo, Soon Fatt Yoon, Jun Wu, Z. Jiang, Qinyuan Zhang, Bo Yu, Joseph Xie, Yin Qian, Chao Yong Li, Babu Narayanan

Proceedings Volume 3883, (1999) https://doi.org/10.1117/12.360586

KEYWORDS: Copper, Chemical vapor deposition, Metalorganic chemical vapor deposition, Metals, Atomic force microscopy, Plasma, Diffraction, Silicon, X-ray diffraction, Transmission electron microscopy

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Showing 5 of 21 publications

Conference Committee Involvement (4)

Metamaterials

4 April 2016 | Brussels, Belgium

Metamaterials

14 April 2014 | Brussels, Belgium

Metamaterials

16 April 2012 | Brussels, Belgium

Bogus Conference -- Advisory Board and Organizing Committee

27 November 2000 | Singapore, Singapore

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