| 摘要 |
An optical power splitter is disclosed that includes a semiconductor substrate, a core layered on the semiconductor substrate, functioning as a transmission medium for optical signals composed of multi channels according to a wavelength. The core includes an input waveguide for receiving the optical signals, and a plurality of output waveguides for outputting part of the optical signals whose powers are split. A cladding encompasses the core. At least one tapered waveguides, which connect a part of internal sides of the output waveguides have widths that gradually decrease along with a longitudinal direction thereof starting from one end of the output waveguide.
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