High-Speed Traveling-Wave Photodetector with a 3-dB Bandwidth of 410 GHz

被引：1

作者：

Park, Jeong-Woo ^{[1
]}

Han, Sangpil ^{[1
]}

Lee, Donghun ^{[2
]}

Ryu, Han-Cheol ^{[1
]}

Shin, Jun-Whan ^{[1
]}

Kim, Namje ^{[1
]}

Yoon, Young-Jong ^{[1
]}

Ko, Hyunsung ^{[1
]}

Park, Kyung Hyun ^{[1
]}

机构：

[1] ETRI, Creat & Challenging Res Div, Taejon, South Korea

[2] ETRI, Convergence Components & Mat Res Lab, Taejon, South Korea

来源：

ETRI JOURNAL | 2012年 / 34卷 / 06期

基金：

新加坡国家研究基金会;

关键词：

Photodetector; waveguide photodetector; traveling-wave photodetector;

D O I：

10.4218/etrij.12.0212.0173

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A high-speed traveling-wave photodetector (TWPD) with an InGaAs absorber is designed and realized The bandwidth of the TWPD is measured using electro-optic sampling techniques. The bandwidth is 410 GHz, which shows that the RC limitation is overcome. While the TWPD shows a low responsivity of 0.06 A/W at 1,550 nm, this value can be improved through further optimization of the structure without a sacrifice in bandwidth.

引用

页码：942 / 945

页数：4

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