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A photonic-crystal photodetector having a <1-fF junction capacitance, 1-A/W responsivity, and 40-Gbit/s eye opening was demonstrated. Its resistor-loaded configuration unveiled a light-to-voltage conversion with a kV/W efficiency without amplifiers, promising for an fJ/bit-energy on-chip receiver.
This article reviews our recent studies of ultralow-power nanophotonics devices toward implementing a dense optical communication network in a processor chip. A photonic crystal nanocavity that has a very large Q/V is a very promising tool for reducing the energy consumption and footprint related to this goal. We demonstrate that, to fully exploit this merit, it is essential to introduce appropriate...
This paper reviews our recent studies of ultralow-power nanophotonics devices towards implementing a dense optical communication network into a processor chip. A photonic crystal nanocavity that has a very large Q/V ratio is a very promising tool for reducing the consumption energy and footprint for this goal. We show several examples of photonic-crystal nanocavity devices that exhibit record-low...
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