Germanium photodetector with 60 GHz bandwidth using inductive gain peaking

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Germanium photodetector with 60 GHz bandwidth using inductive gain peaking
Title:
Germanium photodetector with 60 GHz bandwidth using inductive gain peaking
Journal Title:
Optics Express
Keywords:
Publication Date:
11 November 2013
Citation:
Abstract:
Germanium-on-silicon photodetectors have been heavily investigated in recent years as a key component of CMOS-compatible integrated photonics platforms. It has previously been shown that detector bandwidths could theoretically be greatly increased with the incorporation of a carefully chosen inductor and capacitor in the photodetector circuit. Here, we show the experimental results of such a circuit that doubles the detector 3dB bandwidth to 60 GHz. These results suggest that gain peaking is a generally applicable tool for increasing detector bandwidth in practical photonics systems without requiring the difficult process of lowering detector capacitance. © 2013 Optical Society of America
License type:
PublisherCopyrights
Funding Info:
Description:
ISSN:
1094-4087
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