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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...
We present our latest research results about ultralow power integrated nanophotonic devices based on photonic crystals and some more nanophotonics. We will also discuss the possibility to employ these integrated nanophotonics for putting optical computing technologies into a processor chip.
The on-chip integration of all-optical switches and random-access memories based on a photonic crystal (PhC) nanocavity having a carrier-induced optical nonlinearity are presented. 25-channel all-optical gate switching and the wavelength-division multiplexing operation by silicon PhC nanocavity arrays were demonstrated with a femto-joule energy level. For the all-optical memory, an InP-based PhC nanocavity...
Multi-bit optical memories based on a monolithic 128-channel array of photonic crystal nanocavities on a Si chip and a 32-channel array of nanocavities with a built-in buried heterostructure on an InP chip are demonstrated.
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