A compact evanescently-coupled germanium PIN waveguide photodetector

Zhijuan Tu; Kaibo Liu; Huaxiang Yi; Runxi Zhou; Xingjun Wang; Zhiping Zhou; Zhangyuan Chen

doi:10.1117/12.2001221

20 November 2012 A compact evanescently-coupled germanium PIN waveguide photodetector

Zhijuan Tu, Kaibo Liu, Huaxiang Yi, Runxi Zhou, Xingjun Wang, Zhiping Zhou, Zhangyuan Chen

Proceedings Volume 8564, Nanophotonics and Micro/Nano Optics; 85640X (2012) https://doi.org/10.1117/12.2001221
Event: Photonics Asia, 2012, Beijing, China

Abstract

A compact 1.6×10μm² germanium pin waveguide photodetector was demonstrated on a Silicon-on-Insulator substrate. The dark current of the photodetector was measured to be 0.66μA at -1V bias voltage, which is much lower than recently reported. The photodetector exhibited a 3-dB bandwidth of 20GHz at the wavelength of 1.55μm. A clear open eye diagram at 10Gb/s was also obtained.

Citation Download Citation

Zhijuan Tu, Kaibo Liu, Huaxiang Yi, Runxi Zhou, Xingjun Wang, Zhiping Zhou, and Zhangyuan Chen "A compact evanescently-coupled germanium PIN waveguide photodetector", Proc. SPIE 8564, Nanophotonics and Micro/Nano Optics, 85640X (20 November 2012); https://doi.org/10.1117/12.2001221

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