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Conferences > OFC > 2010 > OWN > OWN2

Horizontal p-i-n High-Speed Ge Waveguide Detector on Large Cross-section SOI Waveguide

Dazeng Feng, Shirong Liao, Po Dong, Ning-Ning Feng, Dawei Zheng, Hong Liang, Roshanak Shafiiha, Guoliang Li, Jack Cunningham, Kannan Raj, Ashok V. Krishnamoorthy, and Mehdi Asghari

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Abstract

We report a novel high-speed Ge photodetector on a large cross-section SOI waveguide platform. The device is butt-coupled with waveguide using a horizontal p-i-n junction configuration to enable high-speed operation. A very compact Ge detector with an active area of only 0.8 × 10 µm2, greater than 32GHz optical bandwidth at -1V of reverse bias, and a responsivity of 1.1A/W is demonstrated.

© 2010 IEEE Communications Society, IEEE Photonics Society, OSA, Telcordia

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