H. W. Choi

University of Hong Kong — Hong Kong

Physics and Astronomy · Physical Sciences

34h-index4.0kcitations270works2.82yr avg
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Research Topics

GaN-based semiconductor devices and materials(155), Semiconductor Lasers and Optical Devices(55), Semiconductor Quantum Structures and Devices(51), Photonic and Optical Devices(50), Semiconductor materials and devices(38)

Publications270 total

GaN Optoelectronic Integrated Chip with Multifunctions of Communication and Neuromorphic Computing (Advanced Optical Materials 18/2025)
Advanced Optical Materials·2025· 1 citedOpen Access
Integrated colloidal quantum dot devices for on-chip light sources
Chip·2025· 5 citedOpen Access
Extended-chip-on-board (e-COB) heterogeneous integration of LEDs with LED drivers
Integration·2025
GaN Optoelectronic Integrated Chip with Multifunctions of Communication and Neuromorphic Computing
Advanced Optical Materials·2025· 4 citedOpen Access
High‐Performance Colloidal Quantum‐Dot VCSEL with Quality Factor Above 2000
Laser & Photonics Review·2025· 2 citedOpen Access
Colloidal quantum-dot vertical-cavity surface-emitting laser based on gain-integrated distributed Bragg reflector
Physical Review Applied·2025
Iodinated underlayer for enhanced chemically amplified resist performance
2025
Low-threshold surface-emitting colloidal quantum-dot circular Bragg laser array
Light Science & Applications·2025· 16 citedOpen Access
Heterogeneous Integration of GaN optoelectronics with Si microelectronics
2024
Low-threshold anisotropic polychromatic emission from monodisperse quantum dots
National Science Review·2024· 1 citedOpen Access
Light-Stimulated Artificial Synapses with Accelerating Photopic Adaption Based on III-Nitride Heterojunction Transistor
ACS Photonics·2024· 5 cited
High Performance Electrically‐Injected InGaN Microdisk Lasers through Simultaneous Enhancement of Optical Confinement and Overlap Factor (Laser Photonics Rev. 18(8)/2024)
Laser & Photonics Review·2024Open Access
Room-temperature DBR-free VCSEL operation on an InGaN/GaN thin-film platform with a monolithic surface grating
Optics Letters·2024Open Access
Front Cover: Optical Characterization of InGaN Quantum Structures at the Nanoscale (Adv. Quantum Technol. 6/2024)
Advanced Quantum Technologies·2024Open Access
High Performance Electrically‐Injected InGaN Microdisk Lasers through Simultaneous Enhancement of Optical Confinement and Overlap Factor
Laser & Photonics Review·2024· 4 citedOpen Access
Electrically injected InGaN microdisk lasers: A review of progress, challenges, and future prospects
Progress in Quantum Electronics·2024· 4 cited
Enhancing Optical Confinement of InGaN Thin-Film Microdisk Lasers with Hybrid Omnidirectional Reflectors
ACS Photonics·2024· 6 citedOpen Access
Optical Characterization of InGaN Quantum Structures at the Nanoscale
Advanced Quantum Technologies·2024· 2 citedOpen Access
Spin Quantum Dot Light‐Emitting Diodes Enabled by 2D Chiral Perovskite with Spin‐Dependent Carrier Transport
Advanced Materials·2023· 61 citedOpen Access
Heterogeneous integration of a GaN-based photonic integrated circuit with an Si-based transimpedance amplifier
Optics Letters·2023· 10 cited
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Frequent Co-authors

Martin D. Dawson(14), Kwai Hei Li(11), Yuk Fai Cheung(10), Wai Yuen Fu(9), Chan‐Wook Jeon(8), Erdan Gu(8), P. T. Lai(8), Kenneth K. Y. Wong(5), John M. Girkin(5), Kwun Nam Hui(5), Peggy G. Lemaux(5), P. R. Edwards(4), Robert Martin(4), I. M. Watson(4), S. Tripathy(3), Gail McConnell(3), S. J. Chua(3), M.-J. Cho(3), Yiyun Zhang(3), Xuhui Zhang(3)