Advances in waveguide photodetectors

Many signal processing functions needed for future broadband optical communications and switching networks will be most effectively realized in waveguide-based systems where optoelectronic integrated circuits serve as intelligent control points capable of recognizing and processing the optical signal as required. Fast photo-detectors that can detect light in a waveguide are key to the success of these systems. The year saw significant developments in the integration of photodetectors with both semiconductor and non-semiconductor waveguides.

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