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We demonstrate an all-optical wavelength-routing switch monolithically integrated with four wavelength converters and an 8times8 arrayed-waveguide-grating (AWG) filter. In the switch, double-ring-resonator-coupled tunable laser diodes allow rapid and stable switching between output ports (~5 ns) and optical gates based on a parallel amplifier structure prevent the input optical signal from being routed...
Using photo-induced refractive index variation sol-gel materials, we fabricated a self-organized lightwave network (SOLNET), which is a concept of optical waveguides self-organized in photosensitive materials, whose refractive index increases by write beam exposure. The refractive index of the sol-gel materials increases from 1.65 to 1.85 when exposed to UV light/blue light and baking. When write...
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