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GaAs光导开关飞秒激光点触发实验及分析
引用本文:景争,汪韬,阮驰,杨宏春,王警卫,吴雷学. GaAs光导开关飞秒激光点触发实验及分析[J]. 光子学报, 2008, 37(12): 2383-2386
作者姓名:景争  汪韬  阮驰  杨宏春  王警卫  吴雷学
作者单位:中国科学院西安光学精密机械研究所,瞬态光学与光子技术国家重点实验室,西安,710119;中国科学院研究生院,北京,100049;中国科学院西安光学精密机械研究所,瞬态光学与光子技术国家重点实验室,西安,710119;电子科技大学,成都,610054
基金项目:国家863高技术研究发展计划 , 西部之光 , 西安应用材料创新基金  
摘    要:针对光导开关阵列和光纤分束耦合的实际应用环境,提出一种新的实验方案,用于测试当触发光源相对于开关光敏面为点光源时入射位置对输出脉冲的影响.实验证明,不同的入射位置对开关输出脉冲有很大的影响.在入射光从负极向正极扫描过程中输出脉冲逐渐增强,在正极附近输出达到峰值,但在电极边缘处有所减弱.分析表明,这一现象和开关体内电场的分布有密切联系.

关 键 词:光导开关  GaAs  触发位置  半导体体内电场分布
收稿时间:2007-04-29
修稿时间:2007-10-16

Analysis on Performance of PCSS Triggered by Femto-Second Laser Pulse by Position
JING Zheng,WANG Tao,RUAN Chi,YANG Hong-chun,WANG Jing-wei,WU Lei-xue. Analysis on Performance of PCSS Triggered by Femto-Second Laser Pulse by Position[J]. Acta Photonica Sinica, 2008, 37(12): 2383-2386
Authors:JING Zheng  WANG Tao  RUAN Chi  YANG Hong-chun  WANG Jing-wei  WU Lei-xue
Affiliation:JING Zheng1,2,WANG Tao1,RUAN Chi1,YANG Hong-chun3,WANG Jing-wei1,WU Lei-xue1,2 (1 State Key Laboratory of Transient Optics , Photonics,Xi'an Institute of Optics , Precision Mechanics,Chinese Academy of Sciences,Xi'an 710119,China) (2 Graduate University of Chinese Academy of Sciences,Beijing 100049,China) (3 University of Electronic Science , Technology of China,Chengdu 610054,China)
Abstract:Aim at the application circumstance of coupling PCSS array with a bunch of fibers,a new experiment plane for testing the influence of laser trigger position to the performance of PCSS was proposed.The results showed that the output impulse was changed a lot by the different trigger position.It increased when the trigger point moved from the cathode to the anode.The impulse reaches its peak value when the laser near the anode but decreased when the trigger come to the edge of anode.The results were analyzed and an explanation based on theory of semiconductor and distribution of the electronic field inside was given.
Keywords:GaAs
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