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Structure optimization of a uni-traveling-carrier photodiode with introduction of a hydro-dynamic model

Structure optimization of a uni-traveling-carrier photodiode with introduction of a hydro-dynamic model
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摘要 Characteristics of a uni-traveling-carrier photodiode （UTC-PD） are investigated. A hydro-dynamic model is introduced which takes into account the electrons＇ velocity overshoot in the depletion region, which is a more accurate high speed device than using the normal drift-diffuse model. Based on previous results, two modified UTC-PDs are presented, and an optimized device is obtained, the bandwidth of which is more than twice that of the original. Characteristics of a uni-traveling-carrier photodiode （UTC-PD） are investigated. A hydro-dynamic model is introduced which takes into account the electrons＇ velocity overshoot in the depletion region, which is a more accurate high speed device than using the normal drift-diffuse model. Based on previous results, two modified UTC-PDs are presented, and an optimized device is obtained, the bandwidth of which is more than twice that of the original.
作者 李国余 张冶金 李小健 田立林
机构地区 Institute of Microelectronics Institute of Semiconductors
出处 《Journal of Semiconductors》 EI CAS CSCD 北大核心 2010年第10期38-42,共5页 半导体学报（英文版）
基金 Project supported by the National Natural Science Foundation of China(No.60736002) the National High Technology Research and Development Program of China(No.2007AA03Z408)
关键词 UTC-PD hydro dynamic model linear doping linear band-gap UTC-PD hydro dynamic model linear doping linear band-gap
分类号 TN36 [电子电信—物理电子学]
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参考文献14

  • 1Ishibashi T, Kodama S, Shimizu N, et al. High-speed response of uni-traveling-carrier photodiodes. Jpn J Appl Phys, 1997, 36: 6263.
  • 2Ito H, Furuta T, Kodama S, et al. InP/InGaAs uni-traveling-carrier photodiode with 220 GHz bandwidth. Electron Lett, 1999, 35(18): 1556.
  • 3Ito H, Kodama S, Muramoto Y, et al. High-speed and high output InP-InGaAs unitraveling-carrier photodiodes. IEEE J Sel Topics Quantum Electron, 2004, 10(4): 709.
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  • 6Shi J W, Wu Y S, Lin Y S. Near-ballistic uni-traveling-carrier photodiode based V-band optoelectronic mixers with internal upconversion-gain, wide modulation bandwidth, and very high operation current performance. IEEE Photonics Technol Lett, 2008, 20(11): 939.
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Journal of Semiconductors
2010年 第10期

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