| 摘要 |
An optical waveguide device including a first waveguide, a plurality of second waveguides, and a tapered waveguide including a first end connected to the first waveguide and a second end connected to the plurality of second waveguides and configured to receive input of single-mode light from the first waveguide, the tapered waveguide widening as the tapered waveguide extends from the first end toward the second end.
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