Polarization characteristics and carrier lifetime of DBR lasers grown on SOI with lateral QWs

Authors: Wu, You, Xue, Ying, Jie, Li, Fan, Kezhou, Wang, Yi, Zhao, Boqun, Tsang, Hon Ki, Wong, Kam Sing, Lau, Kei May

Source: 2024 IEEE Photonics Conference (IPC) Photonics Conference (IPC), 2024 IEEE. :1-2 Nov, 2024

Relation: 2024 IEEE Photonics Conference (IPC)

Lateral Growth of DBR InGaAs/InP Lasers with Sub-Wavelength Thicknesses on (001) SOI by MOCVD

Authors: Li, Jie, Xue, Ying, Wang, Yi, Wu, You, Zhao, Boqun, Fan, Kezhou, Wong, Kam Sing, Tsang, Hon Ki, Lau, Kei May

Source: 2024 IEEE 29th International Semiconductor Laser Conference (ISLC) Semiconductor Laser Conference (ISLC), 2024 IEEE 29th International. :1-2 Sep, 2024

Relation: 2024 IEEE 29th International Semiconductor Laser Conference (ISLC)

Design and Demonstration of Lateral DBR Lasers Selectively Grown on SOI

Authors: Zhao, Boqun, Xue, Ying, Li, Jie, Wu, You, Wang, Yi, Fan, Kezhou, Wong, Kam Sing, Tsang, Hon Ki, Lau, Kei May

Source: 2024 IEEE 29th International Semiconductor Laser Conference (ISLC) Semiconductor Laser Conference (ISLC), 2024 IEEE 29th International. :1-2 Sep, 2024

Relation: 2024 IEEE 29th International Semiconductor Laser Conference (ISLC)

High efficiency spin-decoupled modulation using chiral C2-symmetric meta-atoms

Authors: Chen, Haohan, Wu, Jiepeng, He, Minglei, Wang, Hao, Wu, Xinen, Fan, Kezhou, Liu, Haiying, Li, Qiang, Wu, Lijun, Wong, Kam Sing

Subject Terms: Physics - Optics, Physics - Applied Physics

Access URL: http://arxiv.org/abs/2308.06157

Uncovering the Physics of Ultraslow Hot-Exciton Relaxation and Interparticle Auger Coupling in HgTe Quantum Dots

Authors: Fan, Kezhou, Sergeeva, Kseniia A., Sergeev, Aleksandr A., Zhang, Lu, Chan, Christopher C. S., Li, Zhuo, Zhong, Xiaoyan, Kershaw, Stephen V., Liu, Junwei, Rogach, Andrey L., Wong, Kam Sing

Source: 2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), 2023 Conference on. :1-1 Jun, 2023

Relation: 2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)

Naphtho[1,2-c:5,6-c′]bis([1,2,3]thiadiazole) enables the design of efficient halogen-free polymer donors and fabrication of organic solar cells with >19% efficiency.

Authors: Jia, Tao, Luo, Yongmin, Hai, Yulong, Lin, Tao, Qin, Xudong, Ma, Ruijie, Fan, Kezhou, Sergeev, Aleksandr A., Dela Peña, Top Archie, Li, Yao, Li, Mingjie, Wong, Kam Sing, Li, Gang, Wu, Jiaying, Liu, Shengjian, Huang, Fei

Source: Energy & Environmental Science; 11/21/2024, Vol. 17 Issue 22, p8593-8608, 16p

Bottom Contact Engineering for Ambient Fabrication of >25% Durable Perovskite Solar Cells.

Authors: Yuan, Ligang, Zou, Shibing, Zhang, Kaicheng, Huang, Peng, Dong, Yuyan, Wang, Jiarong, Fan, Kezhou, Lam, Man Yu, Wu, Xiao, Cheng, Wei, Tang, Ruijia, Chen, Wenhao, Liu, Weiqing, Wong, Kam Sing, Yan, Keyou

Source: Advanced Materials; 10/10/2024, Vol. 36 Issue 41, p1-9, 9p

Methoxy Functionalization of Phenethylammonium Ligand for Efficient Perovskite Light‐Emitting Diodes

Authors: Sun, Xinwen, Liang, Ting, Ngai, Kwan Ho, Nie, Zhiguo, Fan, Kezhou, Li, Shiang, Chan, Christopher Chang Sing, Wong, Kam Sing, Lu, Xinhui, Xu, Jianbin, Long, Mingzhu

Source: Advanced optical materials. 11(13)

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100189345869.0x000001&indx=1&recIds=ETOCvdc_100189345869.0x000001

Self-assembly construction of a homojunction of Sn–Pb perovskite using an antioxidant for all-perovskite tandem solar cells with improved efficiency and stability.

Authors: Lin, Zhuojia, Chen, Jianwei, Duan, Chenghao, Fan, Kezhou, Li, Jiong, Zou, Shibing, Zou, Feilin, Yuan, Ligang, Zhang, Zheng, Zhang, Kaicheng, Lam, Man Yu, Aleksandr, Sergeev A., Qiu, Jianhang, Wong, Kam Sing, Yan, He, Yan, Keyou

Source: Energy & Environmental Science; 9/7/2024, Vol. 17 Issue 17, p6314-6322, 9p

Efficient Second‐Harmonic Generation with Weak Polarization Sensitivity in Gallium Nitride Metasurfaces via Bound States in the Continuum.

Authors: Fan, Kezhou¹, Chen, Haohan^1,2, Sergeev, Aleksandr A.¹, Xing, Zengshan¹, Zhu, Renqiang³, Lau, Kei May³, Wu, Lijun² ljwu@scnu.edu.cn, Wong, Kam Sing¹ phkswong@ust.hk

Source: Advanced Optical Materials. 8/14/2024, Vol. 12 Issue 23, p1-10. 10p.

Subject Terms: *BOUND states, *SECOND harmonic generation, *GALLIUM nitride, *PHOTONIC crystal fibers

Slow Hot-Exciton Cooling and Enhanced Interparticle Excitonic Coupling in HgTe Quantum Dots.

Authors: Fan, Kezhou, Sergeeva, Kseniia A., Sergeev, Aleksandr A., Zhang, Lu, Chan, Christopher C. S., Li, Zhuo, Zhong, Xiaoyan, Kershaw, Stephen V., Liu, Junwei, Rogach, Andrey L., Wong, Kam Sing

Source: ACS Nano; 7/9/2024, Vol. 18 Issue 27, p18011-18021, 11p

Heterocyclic Diammonium Dion‐Jacobson Perovskite Blue Light‐Emitting Diodes with Nonshift Emission Peak Under High Bias Voltage.

Authors: Zou, Shibing¹ (AUTHOR), Fan, Kezhou² (AUTHOR), Wu, Xiao³ (AUTHOR), Yuan, Ligang¹ (AUTHOR), Wang, Jiarong¹ (AUTHOR), Wang, Kangyang¹ (AUTHOR), Li, Jiong¹ (AUTHOR), Wei, Jianwu⁴ (AUTHOR), Xu, Shuang¹ (AUTHOR), Zou, Feilin¹ (AUTHOR), Wong, Kam Sing² (AUTHOR) phkswong@ust.hk, Lu, Xinhui³ (AUTHOR) xinhui.lu@cuhk.edu.hk, Xu, Jianbin⁵ (AUTHOR), Yan, Keyou¹ (AUTHOR) kyyan@scut.edu.cn

Source: Advanced Optical Materials. May2024, Vol. 12 Issue 14, p1-8. 8p.

Subject Terms: *LIGHT emitting diodes, *HIGH voltages, *QUANTUM efficiency, *PEROVSKITE, *PHOTOLUMINESCENCE

Charge Injection and Auger Recombination Modulation for Efficient and Stable Quasi‐2D Perovskite Light‐Emitting Diodes.

Authors: Ngai, Kwan Ho^1,2, Sun, Xinwen², Zou, Xinhui³, Fan, Kezhou³, Wei, Qi⁴, Li, Mingjie⁴, Li, Shiang⁵, Lu, Xinhui⁵, Meng, Weiwei¹, Wu, Bo¹, Zhou, Guofu¹, Long, Mingzhu¹, mzlong@m.scnu.edu.cn, Xu, Jianbin², jbxu@ee.cuhk.edu.hk

Source: Advanced Science; May2024, Vol. 11 Issue 18, p1-10, 10p

Modulating Adsorption–Redox Sites and Charge Separation of Cs3Bi2Br9–x@AgBr Core–Shell Heterostructure for Selective Toluene Photooxidation.

Authors: Zhou, Biao, Fan, Kezhou, Chong, Yanan, Xu, Shuang, Wei, Jianwu, Wei, Jiake, Sergeev, Aleksandr A., Wong, Kam Sing, Li, Tan, Chen, Guangxu, Ye, Daiqi, Yan, Keyou

Source: ACS Energy Letters; 4/12/2024, Vol. 9 Issue 4, p1743-1752, 10p

Lead Halide Perovskites: Uncovering the Electron‐Phonon Interplay and Dynamical Energy‐Dissipation Mechanisms of Hot Carriers in Hybrid Lead Halide Perovskites (Adv. Energy Mater. 9/2021)

Authors: Chan, Christopher C. S., Fan, Kezhou, Wang, Han, Huang, Zhanfeng, Novko, Dino, Yan, Keyou, Xu, Jianbin, Choy, Wallace C. H., Lončarić, Ivor, Wong, Kam Sing

Source: Advanced energy materials. 11(9)

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100116900361.0x000001&indx=1&recIds=ETOCvdc_100116900361.0x000001

Uncovering the Electron‐Phonon Interplay and Dynamical Energy‐Dissipation Mechanisms of Hot Carriers in Hybrid Lead Halide Perovskites

Authors: Chan, Christopher C. S., Fan, Kezhou, Wang, Han, Huang, Zhanfeng, Novko, Dino, Yan, Keyou, Xu, Jianbin, Choy, Wallace C. H., Lončarić, Ivor, Wong, Kam Sing

Source: Advanced energy materials. 11(9)

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100116899314.0x000001&indx=1&recIds=ETOCvdc_100116899314.0x000001

Additive-Stabilized Emission Centers for Blue Perovskite Light-Emitting Diodes.

Authors: Zou, Shibing, Fan, Kezhou, Liu, Zidan, Yuan, Ligang, Yin, Qixin, Bai, Jinke, Wang, Jiarong, Li, Jiong, Yang, Min, Wei, Jianwu, Wu, Liqin, Xu, Shuang, Xue, Qifan, Xie, Jiangsheng, Wong, Kam Sing, Xu, Jianbin, Yan, Keyou

Source: ACS Applied Materials & Interfaces; 6/7/2023, Vol. 15 Issue 22, p26778-26786, 9p

Ultrafast Charge Carrier Dynamics and Transport Characteristics in HgTe Quantum Dots.

Authors: Sergeeva, Kseniia A., Fan, Kezhou, Sergeev, Aleksandr A., Hu, Sile, Liu, Haochen, Chan, Christopher C., Kershaw, Stephen V., Wong, Kam Sing, Rogach, Andrey L.

Source: Journal of Physical Chemistry C; 11/17/2022, Vol. 126 Issue 45, p19229-19239, 11p

New Insights into Hot-Charge Relaxation in Lead Halide Perovskite: Dynamical Bandgap Change, Hot-Biexciton Effect, and Photo-Bleaching Shift.

Authors: Fan, Kezhou, Chan, Christopher Chang Sing, Yuan, Ligang, Yan, Keyou, Wong, Kam Sing

Source: ACS Photonics; 7/20/2022, Vol. 9 Issue 7, p2304-2314, 11p

Phase Modulation on Low‐Dimensional Perovskite for High Performance Blue Light Emitting Diodes.

Authors: Wang, Kangyang¹ (AUTHOR), Zou, Shibing¹ (AUTHOR), Fan, Kezhou² (AUTHOR), Zhang, Zheng¹ (AUTHOR), Li, Jiong¹ (AUTHOR), Chen, Honggang¹ (AUTHOR), Zou, Feilin¹ (AUTHOR), Wong, Kam Sing² (AUTHOR), Xu, Jianbin³ (AUTHOR) jbxu@ee.cuhk.edu.hk, Yan, Keyou¹ (AUTHOR) kyyan@scut.edu.cn

Source: Advanced Optical Materials. Dec2024, p1. 7p. 6 Illustrations.

Subject Terms: *BLUE light emitting diodes, *ENERGY levels (Quantum mechanics), *PHASE modulation, *FERMI energy, *RADIATIVE transfer