The optical connecting device is supported by the substrate, and an upper cladding (cladding) layer , a core polymer layer and the lower It includes a polymer waveguide having a cladding layer , a mirror and the optical via . The core polymer layer comprises a polymer material having a nanoparticle filler is less than 1/10 of the shortest wavelength of the particle size relevant to the optical access. Optical connection device independently , and a plurality of or a large amount of parallel channels in a single layer or multi-layer networks .
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