Abstract
The hardware in fiber-optic communication typically consists of multiple chips in dedicated optical and electronic technologies packaged together. While this approach leads to excellent performance, it is not as cost-effective compared to having both optics and electronics integrated on a single chip. From this perspective, bulk CMOS technology is arguably the most cost-effective integrated platform available, though is not very well suited for optics. Nevertheless, there have been multiple demonstrations of gigabit fully-integrated fiber-optic receivers in bulk CMOS, even for the telecom wavelengths with an energy below the silicon band gap. In this talk we delve deeper in the relevant optical photodetector devices, as well as the circuits involved to realize such opto-electric integrated circuits.
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