Prof. Yi Luo Profile

Prof. Yi Luo

at Tsinghua Univ

SPIE Involvement:

Author | Editor

Publications (40)

Proceedings Article | 27 November 2024 Paper

Differentiable freeform lens design for irradiance tailoring on tilted target plane

Haisong Tang, Zexin Feng, Yi Luo

Proceedings Volume 13237, 132370Q (2024) https://doi.org/10.1117/12.3033378

KEYWORDS: Freeform optics, Design, Light sources and illumination, Ray tracing, Monte Carlo methods, Light sources, Receivers, Evolutionary optimization, Computer simulations, Geometrical optics

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Proceedings Article | 27 November 2024 Poster + Paper

Low-loss spot-size converter for thin-film lithium niobate photonic integrated circuits at 780nm with simple fabrication process

Hongbo Qiao, Zhibiao Hao, Jian Wang, Changzheng Sun, Lai Wang, Bing Xiong, Yanjun Han, Hongtao Li, Yi Luo

Proceedings Volume 13236, 132360Z (2024) https://doi.org/10.1117/12.3035776

KEYWORDS: Waveguides, Fabrication, Refractive index, Design, Cladding, Thin films, Etching, Lithium niobate, Waveguide modes, Tolerancing

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Proceedings Article | 27 November 2024 Paper

Ultra-fast, high-response waveguide MUTC photodetector for optical-to-microwave conversion

Han Wen, Zhibiao Hao, Changzheng Sun, Lai Wang, Bing Xiong, Jian Wang, Yanjun Han, Hongtao Li, Yi Luo

Proceedings Volume 13236, 132360E (2024) https://doi.org/10.1117/12.3035752

KEYWORDS: Waveguides, Photodetectors, Microwave radiation, Refractive index, Dark current, Ultrafast phenomena, Light absorption, Frequency response, Indium gallium arsenide

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Proceedings Article | 28 November 2023 Paper

Spherical-freeform lens design for uniform illumination based on differentiable ray tracing with uv polynomials

Haoran Li, Haisong Tang, Zexin Feng, Yi Luo, Yongtian Wang

Proceedings Volume 12765, 127650H (2023) https://doi.org/10.1117/12.2687294

KEYWORDS: Optical surfaces, Ray tracing, Light sources and illumination, Lens design, Light sources, 3D projection, Spherical lenses, Partial differential equations, Numerical analysis, Design and modelling

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Proceedings Article | 29 December 2022 Presentation

Nature of light wave and photonic devices (Conference Presentation)

Yi Luo

Proceedings Volume 12314, 1231402 (2022) https://doi.org/10.1117/12.2656166

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Proceedings Article | 15 December 2022 Paper

Enhancement on extraction efficiency of quantum cascade detectors utilizing localized built-in electric field

Ruochen Zhao, Zhibiao Hao, Lai Wang, Jian Wang, Bing Xiong, Changzheng Sun, Yanjun Han, Hongtao Li, Yi Luo

Proceedings Volume 12478, 124782K (2022) https://doi.org/10.1117/12.2654757

KEYWORDS: Quantum chromodynamics, Transition metals, Quantum efficiency, Absorption, Sensors, Electric field sensors, Doping, Modulation, Quantum wells, Electron transport

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Proceedings Article | 15 December 2022 Paper

High aspect ratio dry etching of AlGaAs by segmented processing and in-situ sidewall passivation

Zhao Yang, Zhibiao Hao, Jian Wang, Lai Wang, Bing Xiong, Changzheng Sun, Yanjun Han, Hongtao Li, Yi Luo

Proceedings Volume 12478, 124781O (2022) https://doi.org/10.1117/12.2654211

KEYWORDS: Etching, Dry etching, Oxidation, Scanning electron microscopy, Plasma treatment, Photonic crystals

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Proceedings Article | 4 December 2020 Paper

A new method for calculating the precise electrical characteristics of quantum dot micro-LED

Keming Ma, Zixian Wei, Shi Zhang, Zhiyuan Cao, Lei Wang, Chien-Ju Chen, Meng-Chyi Wu, H. Fu, Yi Luo, Lai Wang, Yuhan Dong

Proceedings Volume 11617, 116173S (2020) https://doi.org/10.1117/12.2585520

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Proceedings Article | 10 October 2020 Paper

Design of GaN surface emitting laser based on angular-symmetry-breaking concentric-ring surface grating

Haixu Wang, Jian Wang, Qichao Wang, Changzheng Sun, Bing Xiong, Lai Wang, Yi Luo, Zhibiao Hao, Yanjun Han, Hongtao Li, Jiadong Yu

Proceedings Volume 11545, 1154503 (2020) https://doi.org/10.1117/12.2571935

KEYWORDS: Gallium nitride, Optical design, Semiconducting wafers, Wafer-level optics, Laser resonators

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Proceedings Article | 20 December 2019 Paper

Hybrid integration of high-speed MUTC-PD on SOI

Enfei Chao, Bing Xiong, Changzheng Sun, Zhibiao Hao, Lai Wang, Jian Wang, Yanjun Han, Hongtao Li, Jiadong Yu, Yi Luo

Proceedings Volume 11209, 112091C (2019) https://doi.org/10.1117/12.2543930

KEYWORDS: Photodiodes, Adhesives, Back illuminated sensors, Silicon, Microwave photonics, Optical alignment, Diffraction gratings, Photodetectors, Semiconducting wafers, Optical design

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Proceedings Article | 12 March 2019 Paper

1.3 μm laterally-coupled distributed feedback laser with a triangular prism etched facet

Q. C. Wang, J. Wang, Y. Q. Wang, C. Z. Sun, B. Xiong, Y. Luo, Z. B. Hao, Y. J. Han, L. Wang, H. T. Li

Proceedings Volume 11023, 110233Z (2019) https://doi.org/10.1117/12.2517896

KEYWORDS: Prisms, Waveguides, Plasma etching, Etching, Reflectivity, Semiconducting wafers, Distributed feedback laser diodes

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Proceedings Article | 15 November 2018 Paper

Circular optical phased array for 360° constant amplitude scanning

Xuecheng Liu, Bing Xiong, Changzheng Sun, Zhibiao Hao, Lai Wang, Jian Wang, Yanjun Han, Hongtao Li, Yi Luo

Proceedings Volume 10964, 109644Z (2018) https://doi.org/10.1117/12.2506237

KEYWORDS: Phased array optics, Phased arrays, Silicon, Diffraction, Waveguides, Wavefronts, Electrodes, Modulators, Superposition

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Proceedings Article | 20 September 2018 Presentation + Paper

Analysis of negative differential conductance in a GaN/AlN multi-quantum-well avalanche photodiode

Wangping Wang, Lai Wang, Mo Li, Qian Li, Jianbin Kang, Yi Luo, Jian Zhang

Proceedings Volume 10729, 107290D (2018) https://doi.org/10.1117/12.2320517

KEYWORDS: Gallium nitride, Aluminum nitride, Quantum wells, Avalanche photodiodes, Avalanche photodetectors, Scattering, Polarization

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Proceedings Article | 23 February 2018 Paper

Carrier lifetimes in polar InGaN-based LEDs

Lai Wang, Jie Jin, Zhibiao Hao, Yi Luo

Proceedings Volume 10532, 105321Q (2018) https://doi.org/10.1117/12.2286022

KEYWORDS: Light emitting diodes, Green light emitting diodes, Quantum wells, Internal quantum efficiency, Luminescence, Polarization, Indium gallium nitride, Excitons, Quantum efficiency

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Proceedings Article | 20 February 2018 Paper

Ultra-violet avalanche photodiode based on AlN/GaN periodically-stacked-structure

Xingzhao Wu, Jiyuan Zheng, Lai Wang, Julien Brault, Samuel Matta, Zhibiao Hao, Changzheng Sun, Bing Xiong, Yi Luo, Yianjun Han, Jian Wang, Hongtao Li, Mohamed Khalfioui, Mo Li, Jianbin Kang, Qian Li

Proceedings Volume 10697, 106972M (2018) https://doi.org/10.1117/12.2315656

KEYWORDS: Avalanche photodetectors, Ionization, Aluminum nitride, Avalanche photodiodes, Ultraviolet radiation, Gallium nitride, Signal detection, Scattering

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Proceedings Article | 30 August 2017 Presentation + Paper

A GaAs-based up-converter for mid-infrared detection utilizing quantum cascade transport

Zhibiao Hao, Lili Xie, Chao Wang, Yaqi Liu, Lai Wang, Jian Wang, Bing Xiong, Changzheng Sun, Yanjun Han, Hongtao Li, Yi Luo

Proceedings Volume 10403, 1040309 (2017) https://doi.org/10.1117/12.2273105

KEYWORDS: Infrared technology, Infrared imaging, Infrared detectors, Infrared radiation, Semiconductors, Photons, Mid-IR, Infrared detection, Staring arrays, Near infrared

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SPIE Journal Paper | 1 October 2011

Use of adjusted molecular dynamics method for dot pattern design in large scale light-emitting diode edge-lit backlight unit

Dongjing Hao, Keyuan Qian, Yi Luo

OE, Vol. 50, Issue 10, 104001, (October 2011) https://doi.org/10.1117/12.10.1117/1.3631039

KEYWORDS: Light emitting diodes, Chemical species, Optical design, Light sources, LED backlight, Optical engineering, Waveguides, Light sources and illumination, LCDs, Mirrors

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SPIE Journal Paper | 1 February 2011

Reflector design for large-size spherical surface sources

Liangliang Cao, Yanjun Han, Zexin Feng, Yi Luo

OE, Vol. 50, Issue 02, 023001, (February 2011) https://doi.org/10.1117/12.10.1117/1.3541803

KEYWORDS: Reflectors, Reflector design, Spherical lenses, Absorption, Reflection, Light, Optical engineering, Optoelectronics, Monte Carlo methods, Electronics engineering

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Proceedings Article | 18 November 2008 Paper

40 Gb/s InGaAlAs EML module based on identical epitaxial layer integration scheme

Changzheng Sun, Bing Xiong, Jian Wang, Pengfei Cai, Jianming Xu, Qiwei Zhou, He Yuan, Yi Luo

Proceedings Volume 7135, 71351P (2008) https://doi.org/10.1117/12.807172

KEYWORDS: Modulation, Modulators, Waveguides, Capacitance, Electrodes, Eye, Cladding, Semiconducting wafers, Curium, Laser applications

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Proceedings Article | 6 December 2005 Paper

High-speed (10-40 Gb/s) electroabsorption modulator integrated devices for fiber communications

Yi Luo, Bing Xiong, Jian Wang, Changzheng Sun

Proceedings Volume 6020, 60200Q (2005) https://doi.org/10.1117/12.636184

KEYWORDS: Modulators, Modulation, Semiconducting wafers, Light sources, Waveguides, Telecommunications, Fiber optic communications, Frequency modulation, Yield improvement, Capacitance

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Proceedings Article | 3 December 2005 Paper

Microwave packaging for 10-Gb/s EML modulators

Yu Liu, Liang Xie, Haiqing Yuan, Jiabao Zhang, Ninghua Zhu, Changzheng Sun, Bing Xiong, Yi Luo

Proceedings Volume 6020, 60201O (2005) https://doi.org/10.1117/12.636469

KEYWORDS: Packaging, Modulators, Microwave radiation, Optoelectronic devices, Modulation, Connectors, Semiconductor lasers, Optical fibers, Eye, Sun

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Proceedings Article | 31 January 2005 Paper

A hybrid three-dimensional photonic crystal cavity for nonclassical light sources in quantum information systems

Yu Ben, Zhi-Biao Hao, Changzheng Sun, Fan Ren, Ning Tan, Yi Luo

Proceedings Volume 5624, (2005) https://doi.org/10.1117/12.573472

KEYWORDS: Photonic crystals, Quantum information, Light sources, Quantum dots, Gallium arsenide, Dielectrics, Reflectors, Excitons, Single photon, Finite-difference time-domain method

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Proceedings Article | 17 January 2005 Paper

Design and fabrication of heat sink with impedance matching circuit for high-speed EA modulators

Jianbo Tian, Bing Xiong, Lijiang Zhang, Qin Wan, Zhizhi Liu, Jian Wang, Changzheng Sun, Yi Luo

Proceedings Volume 5644, (2005) https://doi.org/10.1117/12.575526

KEYWORDS: Modulators, Electrodes, Tantalum, Thin films, Resistors, Resistance, Reflection, Packaging, Annealing, Microwave radiation

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Proceedings Article | 17 September 2002 Paper

Fabrication of high-brightness blue InGaN/GaN MQW LEDs

Yi Luo, Yanjun Han, Wenping Guo, Changzheng Sun, Zhi-Biao Hao, Hui Hu

Proceedings Volume 4918, (2002) https://doi.org/10.1117/12.483056

KEYWORDS: Blue light emitting diodes, Light emitting diodes, Etching, Gallium nitride, Plasma etching, Electrodes, Semiconducting wafers, Quantum wells, Diodes, Plasma

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Proceedings Article | 17 September 2002 Paper

Characteristics of n-GaN after ICP etching

Yanjun Han, Song Xue, Wenping Guo, Zhi-Biao Hao, Changzheng Sun, Yi Luo

Proceedings Volume 4918, (2002) https://doi.org/10.1117/12.483055

KEYWORDS: Etching, Gallium nitride, Plasma, Resistance, Plasma etching, Edge emitting semiconductor lasers, Annealing, Oxides, Ions, Metals

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Proceedings Article | 5 September 2002 Paper

Growth and characterization of AlGaN/GaN superlattices

Wenping Guo, Hui Hu, Xiaoying Zhou, Tong Wu, Changzheng Sun, Yi Luo

Proceedings Volume 4913, (2002) https://doi.org/10.1117/12.482214

KEYWORDS: Laser sintering, Superlattices, Gallium nitride, Atomic force microscopy, Interfaces, Semiconductor lasers, X-ray diffraction, Luminescence, Optoelectronics, Electronics engineering

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Proceedings Article | 5 September 2002 Paper

All-solid-source molecular beam epitaxy: technology and applications

Zhi-Biao Hao, Zai-Yuan Ren, Wei He, Wang-Feng Tang, Yi Luo

Proceedings Volume 4913, (2002) https://doi.org/10.1117/12.482206

KEYWORDS: Quantum wells, Molecular beam epitaxy, Phosphorus, Laser damage threshold, Arsenic, Technologies and applications, Heterojunctions, Semiconductor lasers, Interfaces, Satellites

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Proceedings Article | 29 August 2002 Paper

Fabrication of AlGaN/GaN high-electron-mobility transistors

Tong Wu, Zhi-Biao Hao, Wenping Guo, Shu-Wei Wu, Yi Luo, Qing-Ming Zeng, Xian-Jie Li

Proceedings Volume 4905, (2002) https://doi.org/10.1117/12.481021

KEYWORDS: Field effect transistors, Gallium nitride, Transistors, Semiconducting wafers, Microwave radiation, Sapphire, Solid state electronics, Semiconductors, Transmitters, Gallium arsenide

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Proceedings Article | 29 August 2002 Paper

Low-threshold DFB-laser-integrated high-speed EA modulators based on ridge waveguide structure by ICP etching

Bing Xiong, Changzheng Sun, Jian Wang, Zhi-Biao Hao, Yi Luo

Proceedings Volume 4905, (2002) https://doi.org/10.1117/12.480999

KEYWORDS: Modulators, Waveguides, Etching, Dry etching, Capacitance, Light sources, Modulation, Absorption, Plasma etching, Plasma

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Proceedings Article | 29 August 2002 Paper

Low-threshold InGaAsP laser with etched facets by inductively coupled plasma

Jian Wang, Bing Xiong, Changzheng Sun, Zhi-Biao Hao, Yi Luo

Proceedings Volume 4905, (2002) https://doi.org/10.1117/12.481008

KEYWORDS: Etching, Semiconductor lasers, Laser damage threshold, Plasma, Dry etching, Waveguides, Photomasks, Photoresist materials, Semiconducting wafers, Mirrors

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Proceedings Article | 19 October 2001 Paper

Optimization of wavelength detuning of high-speed electro-absorption modulators for better transmission capability

Bing Xiong, Changzheng Sun, Yi Luo

Proceedings Volume 4580, (2001) https://doi.org/10.1117/12.444944

KEYWORDS: Modulators, Absorption, Light sources, Quantum wells, Telecommunications, Modulation, Excitons, Electrons, Optical simulations, Integrated optics

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Proceedings Article | 29 November 2000 Paper

Theoretical analysis of InGaAsP multiple-quantum-well electroabsorption modulators with both polarization insensitivity and negative chirp

Chun-Lei Guo, Yi Zeng, Zhi-Biao Hao, Yi Luo

Proceedings Volume 4086, (2000) https://doi.org/10.1117/12.408460

KEYWORDS: Modulators, Polarization, Modulation, Quantum wells, Excitons, Optical fibers, Electrons, 3D modeling, Optoelectronics, Optoelectronic devices

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Proceedings Article | 29 November 2000 Paper

Electroabsorption modulator integrated distributed feedback lasers for trunk line fiber communication

Changzheng Sun, Guo-Peng Wen, Bing Xiong, Yi Luo, Tong-Ning Li, Yoshiaki Nakano

Proceedings Volume 4086, (2000) https://doi.org/10.1117/12.408403

KEYWORDS: Modulators, Light sources, Modulation, Semiconductor lasers, Wavelength division multiplexing, Absorption, Fiber lasers, Yield improvement, Transmitters, Laser stabilization

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Proceedings Article | 29 November 2000 Paper

InP and InGaAsP materials grown by solid-source molecular beam epitaxy

Jing-Hui Lu, Zhi-Biao Hao, Zai-Yuan Ren, Yi Luo

Proceedings Volume 4086, (2000) https://doi.org/10.1117/12.408404

KEYWORDS: Arsenic, Molecular beam epitaxy, Indium, Temperature metrology, Doping, Phosphorus, Silicon, Beryllium, Gallium, Information operations

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Proceedings Article | 9 October 2000 Paper

Compound-semiconductor-based optoelectronic devices for fiber telecommunications

Yi Luo, Changzheng Sun, Zhi-Biao Hao, Guo-Peng Wen, Bing Xiong, Jing-Hui Lu

Proceedings Volume 4225, (2000) https://doi.org/10.1117/12.402724

KEYWORDS: Modulators, Optoelectronic devices, Telecommunications, Wavelength division multiplexing, Light sources, Compound semiconductors, Metalorganic chemical vapor deposition, Absorption, Modulation, Indium

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Proceedings Article | 3 October 2000 Paper

Integrated high-speed DFB light source and narrow-bandwidth RCE photodetector for WDM fiber communication network application

Qiming Wang, Cheng Li, Zhong Pan, Yi Luo

Proceedings Volume 4220, (2000) https://doi.org/10.1117/12.401697

KEYWORDS: Modulators, Photodetectors, Mirrors, Reflectivity, Silicon, Absorption, Light sources, Wavelength division multiplexing, Modulation, Gallium arsenide

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Proceedings Article | 19 August 1998 Paper

1.55-um InGaAsP/InP partially gain-coupled distributed feedback laser/electroabsorption modulator integrated device for trunkline communication

Yi Luo, Guo-Peng Wen, Changzheng Sun, TongNing Li, Xin-Min Yang, Ren-Fan Wang, Cai-Lin Wang, Jin-Yan Jin

Proceedings Volume 3547, (1998) https://doi.org/10.1117/12.319593

KEYWORDS: Modulators, Optical fibers, Modulation, Light sources, Fiber optic communications, Optical communications, Sun, Optoelectronics, Communication engineering, Lithium

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Proceedings Article | 19 August 1998 Paper

Novel photonic device structures by using thermal rapid annealing-induced disordering

Yi Luo, Zhi-Biao Hao, Changzheng Sun, Ai-Qing Jiang

Proceedings Volume 3547, (1998) https://doi.org/10.1117/12.319625

KEYWORDS: Semiconductor lasers, Semiconducting wafers, Refractive index, Fabrication, Annealing, High power lasers, Photonic devices, Quantum wells, Waveguides, Laser damage threshold

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Proceedings Article | 10 April 1997 Paper

Semiconductor lasers for construction of information infrastructure in mainland of China

Yi Luo, Lianhui Chen, TongNing Li

Proceedings Volume 3038, (1997) https://doi.org/10.1117/12.271462

KEYWORDS: Semiconductor lasers, High power lasers, Laser development, Cladding, Optoelectronics, Data storage, Semiconductors, Photonic integrated circuits, Laser communications, Laser damage threshold

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