| 摘要 |
An optical waveguide device, including: a substrate including an optical waveguide and a connecting section formed on at least one end of the optical waveguide; an optical fiber placed in the connecting section and optically connected to the optical waveguide; and a fixing member to nip the optical fiber between the connecting section and the fixing member; wherein on the substrate, a groove is formed between the optical waveguide and the connecting section; and the fixing member is provided across the groove
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