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Author:

赵丽亚 (赵丽亚.) | 王乐 (王乐.) | 杨妍 (杨妍.) | 刘克 (刘克.) (Scholars:刘克)

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CQVIP PKU CSCD

Abstract:

提出了一种由新型沟槽耦合器和90°弯曲波导构成的InGaAsP/InP基矩形马赫-曾德电光调制器,对该调制器的L型波导相移臂设计了T型类微带行波电极.首先利用电极的等效电路估算带宽上限,进而在考虑阻抗匹配、回波损耗以及带宽等性能的基础上,使用有限元方法对电极的传输、输入/输出以及过渡区的结构参量进行优化.仿真结果表明由于受到电极输入及过渡区的性能限制,设计的整体行波电极匹配阻抗大于42Ω,回波损耗小于-15dB,带宽可达65GHz.测试制备的Ti/Au行波电极,得到回波损耗为-12dB和带宽为20GHz的最优性能.

Keyword:

集成光学 电光调制器 行波电极 S参量 有限元法 特征阻抗

Author Community:

  • [ 1 ] 北京工业大学光电子技术省部共建教育部重点实验室信息学部
  • [ 2 ] School of Electrical and Electronic Engineering,Nanyang Technological University
  • [ 3 ] Department of Electrical and Computer Engineering,George Washington University

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Source :

光子学报

Year: 2017

Issue: 05

Volume: 46

Page: 138-147

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 6

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