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Integrated optical circuits with nanophotonic devices have attracted significant attention due to its low power dissipation and light-speed operation. With light interference and resonance phenomena, the nanophotonic device works as a voltage-controlled optical pass-gate like a pass-transistor. This paper first introduces a concept of the optical pass-gate logic, and then proposes a parallel adder...
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...
We demonstrated the direct modulation of photonic-crystal nanocavity lasers to realize on-chip optical interconnects. A maximum 3-dB bandwidth of 16.2 GHz was obtained. We achieved a 17-Gb/s eye opening with a 35.3-fJ/bit energy cost.
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