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Design and optimization of evanescently coupled waveguide photodiodes

姚辰 程远兵 伍剑 徐坤 邱吉芳 赵玲娟 王圩 林金桐

Journal of semiconductors, 2011-10, Vol.32 (10), p.58-61 [Periódico revisado por pares]

IOP Publishing

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  • Título:
    Design and optimization of evanescently coupled waveguide photodiodes
  • Autor: 姚辰 程远兵 伍剑 徐坤 邱吉芳 赵玲娟 王圩 林金桐
  • Assuntos: Beams (radiation) ; Design engineering ; High speed ; Mathematical models ; Optimization ; Photodiodes ; Semiconductors ; Waveguides ; 优化 ; 光束传播法 ; 光电二极管 ; 光通信系统 ; 模式理论 ; 波导耦合 ; 耦合波导 ; 设计
  • É parte de: Journal of semiconductors, 2011-10, Vol.32 (10), p.58-61
  • Notas: photodiode; coupling modes theory; beam propagation method
    11-5781/TN
    We present the design and optimization of evanescently coupled waveguide photodiodes（EC-WPDs） based on the coupling modes theory and the beam propagation method.Efficient focalization of the optical power in the absorber is achieved by an appropriate choice of index matching layers of EC-WPDs.Numerical simulation shows that high-speed（40 GHz）,high quantum efficiency（81%） and high linearity photodiodes can be achieved, and EC-WPDs are promising devices for future optical communication systems.
    Yao Chen~＋,Cheng Yuanbing~1,Wu Jian~1,Xu Kun Qiu Jifang~2,Zhao Lingjuan~2,Wang Wei and Lin Jintong 1 Key Laboratory of Information Photonics and Optical Communications,Ministry of Education,Beijing University of Posts and Telecommunications,Beijing 100876,China 2 Key Laboratory of Semiconductor Materials Science,Institute of Semiconductors,Chinese Academy of Sciences, Beijing 100083,China
    ObjectType-Article-2
    SourceType-Scholarly Journals-1
    ObjectType-Feature-1
    content type line 23
  • Descrição: We present the design and optimization of evanescently coupled waveguide photodiodes（EC-WPDs） based on the coupling modes theory and the beam propagation method.Efficient focalization of the optical power in the absorber is achieved by an appropriate choice of index matching layers of EC-WPDs.Numerical simulation shows that high-speed（40 GHz）,high quantum efficiency（81%） and high linearity photodiodes can be achieved, and EC-WPDs are promising devices for future optical communication systems.
  • Editor: IOP Publishing
  • Idioma: Chinês;Inglês
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