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    Optimization of Guard Ring Structures for Superior Dark Current Reduction and Improved Quantum Efficiency in InGaAs/InP APDs

    Optimization of Guard Ring Structures for Superior Dark Current Reduction and Improved Quantum Efficiency in InGaAs/InP APDs by Zefang Xu, Yu Chang, Kai Qiao, Liyu Liu, Linmeng Xu, Mengyan Fang, Chang Su, Fei Yin, Jieying Wang, Tianye Liu, Ming Li, Dian Wang, Lizhi Sheng, Xing Wang

    Published 2025-01-01

    Avalanche photodiodes (APDs) based on InGaAs/InP are pivotal for applications in low-light detection, yet their performance is often hindered by edge breakdown and high dark currents. This study systematically optimizes guard ring structures to address these challenges, focusing on attached guard ri...

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