Appl. Sci., Volume 9, Issue 19 (October-1 2019) – 256 articles
Cover Story (view full-size image): The research presents the development of the monolithic integration of electronic and photonic components using standard photonics fabrication processes offered by a commercial silicon photonics foundry technology. Grating couplers, strip waveguides, Ge photodiodes, and transimpedance amplifiers were included in the prototype silicon-on-insulator chip. We designed and implemented the transimpedance amplifiers using junction field-effect transistors (JFETs) with the existing silicon photonics process parameters. The fabricated JFETs demonstrated expected transfer characteristics, with the intention to further amplify the photocurrent produced from the integrated Ge photodiode. We believe that our work could be useful for waveguide sensors applications. View this paper.
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