Fabrication of 40 Gb/s front-end optical receivers using spot-size converter integrated waveguide photodiodes

被引：32

作者：

Kwon, YH ^{[1
]}

Choe, JS ^{[1
]}

Kim, J ^{[1
]}

Kim, K ^{[1
]}

Choi, KS ^{[1
]}

Choi, BS ^{[1
]}

Yun, H ^{[1
]}

机构：

[1] ETRI, Basic Res Lab, Taejon, South Korea

来源：

ETRI JOURNAL | 2005年 / 27卷 / 05期

关键词：

waveguide photodiode; spot-size converter; optical receiver; selective wet-etching;

D O I：

10.4218/etrij.05.0905.0023

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 fabricated 40 Gb/s front-end optical receivers using spot-size converter integrated waveguide photodiodes (SSC-WGPDs). The fabricated SSC-WGPD chips showed a high responsivity of approximately 0.8 A/W and a 3 dB bandwidth of approximately 40 GHz. A selective wet-etching method was first adopted to realize the required width and depth of a tapered waveguide. Two types of electrical pre-amplifier chips were used in our study. One has higher gain and the other has a broader bandwidth. The 3 dB bandwidths of the higher gain and broader bandwidth modules were about 32 and 42 GHz, respectively. Clear 40 Gb/s non-return-to-zero (NRZ) eye diagrams showed good system applicability of these modules.

引用

页码：484 / 490

页数：7

共 10 条

[1] Traveling-wave photodetector with asymmetrically heterostructured intrinsic region [J].