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  • 期刊=Chinese Optics Lettersx
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Carrier transport barrier in AlGaN-based deep ultraviolet LEDs on offcut sapphire substrates
《Chinese Optics Letters》2024年第2期148-158,共11页陈秋爽 陈荔 陈聪 高歌 郭炜 叶继春 
supported by the National Natural Science Foundation of China(No.62104233);the Natural Science Foundation of Ningbo(No.2022J298);the Zhejiang Provincial Natural Science Foundation(No.LQ21F040004);the Ningbo Innovation 2025 Major Project(No.2021Z082)。
AlGaN-based light-emitting diodes(LEDs)on offcut substrates enhance radiative emission via forming carrier localization centers in multiple quantum wells(MQWs).This study introduces the carrier transport barrier conce...
关键词：carrier localization step-bunching potential barrier offcut substrate DUV LEDs 
Propagation characteristics of orbital angular momentum modes at 810 nm in step-index few-mode fibers
《Chinese Optics Letters》2019年第12期1-5,共5页Zhouxiang Wang Yuchen Xie Shuangyin Huang Han Zhou Rui Liu Zhifeng Liu Min Wang Wenrong Qi Qianqian Tian Lingjun Kong Chenghou Tu Yongnan Li Huitian Wang 
supported by the National Key R&D Program of China(Nos.2017YFA0303800 and2017YFA0303700);the National Natural Science Foundation of China(Nos.11534006,11774183,and11674184);the Natural Science Foundation of Tianjin(No.16JCZDJC31300);the 111 Project(No.B07013)
In free-space or in optical fibers,orbital angular momentum(OAM)multiplexing for information transmission has been greatly developed.The light sources used were well coherent communication bands,and the fibers used we...
关键词：fibers MOMENTUM CHARACTERISTICS 
Monolithically integrated dual-wavelength photodetector based on a step-shaped Fabry-Prot filter
《Chinese Optics Letters》2012年第11期9-12,共4页范鑫烨 黄永清 任晓敏 段晓峰 胡服全 王琦 
supported by the National"973"Pro-gram of China(No.2010CB327600);the National Natural Science Foundation of China(No.61020106007);the Fundamental Research Funds for the Central University(No.BUPT2011RC0403);the National"863"Program of China(No.2007AA03Z418);the 111 Project of China(No.B07005);the Program for Changjiang Scholars and Innovative Research Team in University MOE,China(No.IRT0609)
A novel long wavelength photodetector with dual-wavelength spectral response is designed and fabricated using a step-shaped Fabry-Perot （F-P） filter structure. The step-shaped GaAs/A1GaAs distributed Bragg reflector...
关键词：GaAs PIN InP rot filter Monolithically integrated dual-wavelength photodetector based on a step-shaped Fabry-P 
A quasi-vector finite difference mode solver for optical waveguides with step-index profiles
《Chinese Optics Letters》2006年第5期285-288,共4页肖金标 张明德 孙小菡 
A finite difference scheme based on the polynomial interpolation is constructed to solve the quasi-vector equations for optical waveguides with step-index profiles. The discontinuities of the normal components of the ...
关键词：Electric fields Finite difference method INTERPOLATION Numerical analysis Rectangular waveguides VECTORS 
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