A novel monolithic distributed traveling-wave photodetector with parallel optical feed

被引：14
|
作者：
Murthy, S [1 ]
Jung, T
Chau, T
Wu, MC
Sivco, DL
Cho, AY
机构：
[1] Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA
[2] Bell Labs, Lucent Technol, Murray Hill, NJ 07974 USA
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2000年 / 12卷 / 06期
关键词：
high-power devices; integrated optics; multimode interference; MSM photodiodes; photodetectors; traveling wave;
D O I：
10.1109/68.849083
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 report on a novel monolithic distributed traveling wave photodetector with parallel optical feed to an array of individual photodiodes using an integrated multimode interference (MMI) coupler to attain high saturation current. The parallel optical feed reduces the maximum photocurrent and photocurrent density seen by any single photodiode, thus increasing the maximum linear photocurrent of the detector. We have successfully fabricated a device with a maximum linear photocurrent of 20 mA and a responsivity of 0.13 A/W.
引用
收藏
页码：681 / 683
页数：3
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