| 半绝缘GaAs光电导开关亚皮秒传输特性的研究 |
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| 引用本文： | 贾婉丽,施卫,纪卫莉,李孟霞.半绝缘GaAs光电导开关亚皮秒传输特性的研究[J].电子学报,2008,36(9):1795-1799. |
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| 作者姓名： | 贾婉丽 施卫 纪卫莉 李孟霞 |
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| 作者单位： | 西安理工大学理学院,陕西西安,710054 |
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| 基金项目： | 国家自然科学基金，国家重点基础研究发展计划(973计划) |
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| 摘 要： | 本文应用Ensemble-Monte Carlo方法模拟了半绝缘GaAs(SI-GaAs)光电导开关基于Auston等效电路亚皮秒传输特性.从载流子在开关体内的动态特性出发,研究了光电导开关在飞秒激光脉冲触发下光电导传输特性、电介质弛豫特性、开关储能特性以及开关工作模式;分析了非线性光电导开关对光能阈值和偏置电场阈值要求的物理机制.
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| 关 键 词： | 光电导开关 Ensemble-Monte Carlo方法 谷间散射 负阻效应 |
| 收稿时间： | 2007-01-18 |
Studying of Subpicosecond Transmission Characteristic of Semi-Insulting GaAs Photoconductive Switches |
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| JIA Wan-li,SHI Wei,JI Wei-li,LI Meng-xia.Studying of Subpicosecond Transmission Characteristic of Semi-Insulting GaAs Photoconductive Switches[J].Acta Electronica Sinica,2008,36(9):1795-1799. |
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| Authors: | JIA Wan-li SHI Wei JI Wei-li LI Meng-xia |
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| Affiliation: | JIA Wan-li,SHI Wei,JI Wei-li,LI Meng-xia(Department of Physics,Xi\'an University of Technology,Xi\'an,Shaanxi 710054,China) |
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| Abstract: | Ensemble Monte Carlo method is used to simulate the time-resolved transmission characteristic of Semi-Insulting GaAs(SI-GaAs) photoconductive switches based on Auston equivalent circuit model.According to the dynamic performance of photo-generated carriers in the semiconductor,we study the transmission characteristics,dielectric relaxation properties,energy storage specialty and work modes of photoconductive switches triggered by femto-second laser pulses and analyze the physical mechanism that the nonlinea... |
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| Keywords: | photoconductive switches Ensemble-Monte Carlo method inter-valley scatter negative resistance effect |
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