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基于电光采样的超快脉冲波形参数实验研究

Experimental Investigation of Ultrafast Pulse Waveform Parameter Based on Electro-Optic Sampling

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摘要

针对NTN技术的脉冲波形参数国家基准已无法完全满足目前超高速电脉冲波形测量和校准的现状,构建了基于电光采样技术的脉冲波形参数测量系统,自主设计并制备了钽酸锂基共面波导结构的高频电光调制器,通过网络分析系统测量得到了其3 dB频率响应可达100 GHz。以高速光电探测器输出的电脉冲波形作为待测信号,对系统参数进行了详细的分析和优化。在优化完善的基础上,最终实现了对70 GHz高速光电探测器输出电脉冲波形的精密测量,获得的波形的上升时间和半峰全宽分别为4.6 ps和5.0 ps,这将为我国基于电光采样技术脉冲波形参数国家基准的建立和持续提升提供参考。

Abstract

The national standard of pulse waveform parameter based on the NTN technique cannot fully meet the measurement and calibration requirements of the current ultra-high speed electrical pulse waveform. We structure the pulse waveform measurement system based on electro-optic sampling technique and independently design and prepare the high frequency LiTaO3-based electro-optic modulator with coplanar waveguide structure. The 3 dB frequency of the modulator measured by the network analysis system can reach 100 GHz. We optimize the system parameters by analyzing the experimental results of the output pulse waveform of photodetector. On the basis of the above optimization and improvement, we finally achieve the precise measurement for the electric pulse waveform of 70 GHz high-speed photodetector, and the rise time and full width at half maximum of the measured waveform are 4.6 ps and 5.0 ps, respectively. It will give reference for the establishment and sustained promotion of the national standard pulse waveform parameters of our country based on the electro-optic sampling technique.

Newport宣传-MKS新实验室计划
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中图分类号:O452

DOI:10.3788/aos201838.0532001

所属栏目:超快光学

基金项目:国家科技支撑计划(2014BAK02B03)、中国计量科学研究院基本科研业务费项目(27-AKY1705)、中国计量科学研究院探索性科研项目(27-AKYCX1604)

收稿日期:2017-10-25

修改稿日期:2017-12-18

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冯志刚:中国计量科学研究院信息与电子计量科学和测量技术研究所, 北京 100029
赵科佳:中国计量科学研究院信息与电子计量科学和测量技术研究所, 北京 100029
杨智君:中国计量科学研究院信息与电子计量科学和测量技术研究所, 北京 100029
吴钒:中国计量科学研究院信息与电子计量科学和测量技术研究所, 北京 100029
陈赫:中国计量科学研究院信息与电子计量科学和测量技术研究所, 北京 100029
缪京元:中国计量科学研究院信息与电子计量科学和测量技术研究所, 北京 100029
李抵非:中国计量科学研究院信息与电子计量科学和测量技术研究所, 北京 100029
吴昭春:中国计量科学研究院信息与电子计量科学和测量技术研究所, 北京 100029
何昭:中国计量科学研究院信息与电子计量科学和测量技术研究所, 北京 100029

联系人作者:冯志刚(fengzg@nim.ac.cn)

备注:冯志刚(1981—),男,博士,助理研究员,主要从事脉冲计量、量子光学及原子物理精密测量方面的研究。E-mail: fengzg@nim.ac.cn

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引用该论文

Feng Zhigang,Zhao Kejia,Yang Zhijun,Wu Fan,Chen He,Miao Jingyuan,Li Difei,Wu Zhaochun,He Zhao. Experimental Investigation of Ultrafast Pulse Waveform Parameter Based on Electro-Optic Sampling[J]. Acta Optica Sinica, 2018, 38(5): 0532001

冯志刚,赵科佳,杨智君,吴钒,陈赫,缪京元,李抵非,吴昭春,何昭. 基于电光采样的超快脉冲波形参数实验研究[J]. 光学学报, 2018, 38(5): 0532001

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