Prof. Charles W. Tu Profile

Prof. Charles W. Tu

at Univ of California San Diego

SPIE Involvement:

Author

Publications (13)

Proceedings Article | 9 March 2024 Presentation

Novel optical phased array for all solid-state LiDAR module in autonomous vehicles

Yung-Peng Chang, Kuo-Yin Huang, Ke-Peng Chang, Chun-Nien Liu, Charles Tu, Wood-Hi Cheng, Chih-Feng Wang

Proceedings Volume PC12890, PC128900R (2024) https://doi.org/10.1117/12.3000258

KEYWORDS: LIDAR, Unmanned vehicles, Solid state electronics, Phased array optics, Design and modelling, 3D modeling, Silicon, Reflection, Pulsed laser operation, Optical resolution

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Proceedings Article | 4 March 2022 Poster + Paper

Record gain of 300-nm broadband single-model Cr-doped crystalline fiber employing novel growth of smaller core

Kai-Chieh Chang, Wei-Chih Cheng, Chun-Nien Liu, Charles Tu, Tien-Tsorng Shih, Sheng-Lung Huang, Wood-Hi Cheng

Proceedings Volume 12028, 120280J (2022) https://doi.org/10.1117/12.2608937

KEYWORDS: Fiber amplifiers, Crystals, Laser stabilization, Refractive index, Erbium, Cladding, Chromium, Carbon dioxide lasers, Process control, Picosecond phenomena

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Proceedings Article | 5 March 2021 Presentation

Reflex optical phased array for autonomous vehicles using new scheme of LiDAR design

Chia-Ming Liu, Chun-Nine Liu, Hsing-Kun Shih, Tien-Tsorng Shih, Charles Tu, Wood-Hi Cheng

Proceedings Volume 11697, 116970J (2021) https://doi.org/10.1117/12.2577659

KEYWORDS: LIDAR, Unmanned vehicles, Phased array optics, Ultrasonics, Sensors, Radar, Free space optics, Wavefronts, Thin films, Solid state physics

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Proceedings Article | 28 April 2005 Paper

Optical properties of homoepitaxial and heteroepitaxial ZnO grown by molecular beam epitaxy

C. J. Pan, C. W. Tu, J. J. Song, G. Cantwell, C. C. Lee, B. J. Pong, G. C. Chi

Proceedings Volume 5722, (2005) https://doi.org/10.1117/12.590388

KEYWORDS: Zinc oxide, Gallium nitride, Excitons, Oxygen, Molecular beam epitaxy, Optical properties, Phonons, Zinc, Diffraction, Luminescence

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Proceedings Article | 14 July 2000 Paper

Effect of nitrogen on the band structure of III-N-V alloys

Wei Shan, Wladek Walukiewicz, K. Yu, Joel Ager, Eugene Haller, John Geisz, Daniel Friedman, J. Olson, Sarah Kurtz, H. Xin, Charles Tu

Proceedings Volume 3944, (2000) https://doi.org/10.1117/12.391460

KEYWORDS: Nitrogen, Gallium arsenide, Semiconductors, Chemical species, Solids, Solar energy, Signal detection, Crystals, Spectroscopy, Absorption

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Proceedings Article | 7 April 1998 Paper

III-N-V: a novel material system for lasers with good high-temperature characteristics

Charles Tu, W. Bi, H. Xin, Yong Ma, Jianping Zhang, Liwei Wang, Seng Tiong Ho

Proceedings Volume 3284, (1998) https://doi.org/10.1117/12.304444

KEYWORDS: Quantum wells, Arsenic, Nitrogen, Indium, Laser systems engineering, Gallium arsenide, Laser applications, Laser damage threshold, Computer engineering, Telecommunications

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Proceedings Article | 22 January 1997 Paper

Microwave structures for traveling-wave MQW electroabsorption modulators for wideband 1.3-um photonic links

Hsin Liao, X. Mei, Kwok Kwong Loi, Charles Tu, Peter Asbeck, William Chang

Proceedings Volume 3006, (1997) https://doi.org/10.1117/12.264230

KEYWORDS: Waveguides, Microwave radiation, Modulators, Modulation, Signal attenuation, Phase velocity, Metals, Capacitance, Absorption, Semiconductors

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Proceedings Article | 22 November 1996 Paper

High-efficiency 1.3-um multiple quantum well electroabsorption waveguide modulators for microwave photonic links

Kwok Kwong Loi, X. Mei, Charles Tu, William Chang

Proceedings Volume 2844, (1996) https://doi.org/10.1117/12.258991

KEYWORDS: Modulators, Waveguides, Microwave photonics, Quantum wells, Photodetectors, Microwave radiation, Modulation, Capacitance, Fiber optics, Waveguide modes

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Proceedings Article | 22 November 1996 Paper

Design of millimeter wave optical modulators with monolithically integrated narrowband impedance matching circuits for 1.3-um photonic links

Hsin Liao, X. Mei, Kwok Kwong Loi, Charles Tu, Paul Yu, Peter Asbeck, William Chang

Proceedings Volume 2844, (1996) https://doi.org/10.1117/12.258993

KEYWORDS: Modulators, Waveguides, Bridges, Optical modulators, Modulation, Microwave radiation, Metals, Extremely high frequency, Capacitance, Resistance

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Proceedings Article | 11 May 1994 Paper

InAsP/InP strained quantum wells grown by gas-source molecular beam epitaxy on InP(100) and (111)B substrates

Charles Tu, Hong Hou

Proceedings Volume 2140, (1994) https://doi.org/10.1117/12.175787

KEYWORDS: Quantum wells, Absorption, Modulators, X-rays, Diffraction, Molecular beam epitaxy, Luminescence, Indium, X-ray diffraction, Excitons

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Proceedings Article | 1 October 1990 Paper

Growth of InAs on GaAs (001) by migration-enhanced epitaxy

Bing Liang, K. Ha, Jing Zhang, Patrick Chin, Charles Tu

Proceedings Volume 1285, (1990) https://doi.org/10.1117/12.20813

KEYWORDS: Indium arsenide, Arsenic, Gallium arsenide, Epitaxy, Semiconductors, X-rays, Thin films, Camera shutters, Diffraction, Chemical species

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Proceedings Article | 1 October 1990 Paper

Subband-dispersion and subband-mixing effects on excitonic spectra in thin-barrier superlattices

Jin-Joo Song, John Jacob, Jin Fu Zhou, S. Hwang, Pan-Sang Jung, Yia-Chung Chang, Charles Tu

Proceedings Volume 1283, (1990) https://doi.org/10.1117/12.20762

KEYWORDS: Stereolithography, Excitons, Dispersion, Superlattices, Physics, Quantum wells, Luminescence, Spectroscopy, Solids, Aluminum

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Proceedings Article | 1 October 1990 Paper

Hole tunneling in GaAs/AlGaAs heterostructures: coherent versus incoherent resonant tunneling

Karl Leo, Jagdeep Shah, James Gordon, Theodore Damen, David Miller, Charles Tu, John Cunningham, Jill Henry

Proceedings Volume 1283, (1990) https://doi.org/10.1117/12.20726

KEYWORDS: Scattering, Luminescence, Quantum wells, Picosecond phenomena, Physics, Superlattices, Phonons, Heterojunctions, Time metrology, Particles

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Showing 5 of 13 publications

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