A HIGH-EFFICIENCY 50-GHZ INGAAS MULTIMODE WAVE-GUIDE PHOTODETECTOR

被引：105

作者：

KATO, K

HATA, S

KAWANO, K

YOSHIDA, J

KOZEN, A

机构：

[1] NTT Opto-electronics Laboratories, Atsugi-shi, Kanagawa Pref

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 1992年 / 28卷 / 12期

关键词：

D O I：

10.1109/3.166466

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：

We propose a new type of side-illuminated pin photodetector with a multimode waveguide structure. Numerical and experimental results show that higher-order mode lights greatly enhance the coupling efficiency between the waveguide photodetector (WGPD) and a fiber, which leads to a high external quantum efficiency. Furthermore, the multimode WGPD has the major advantage that the external quantum efficiency and bandwidth can be derived independently of each other because the multimode waveguide structure can be designed without deteriorating electrical properties. The fabricated WGPD has an external quantum efficiency of 56% without AR coating and 68% with AR coating and an electrical 3 dB frequency greater than 50 GHz at a 1.55 mum wavelength.

引用

页码：2728 / 2735

页数：8

共 12 条

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