Optical transmission apparatus

An optical transmission apparatus includes a light receiving element and an optical waveguide. The light receiving element receives light. The optical waveguide includes a core, a clad and a concave portion. The clad is adjacent to the core. The concave portion is formed in a portion of the core or...

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Bibliographic Details
Main Authors Mukoyama, Naotaka, Sakai, Kazuhiro, Sugibuchi, Hiroki, Sakamoto, Akira
Format Patent
LanguageEnglish
Published 13.09.2011
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Summary:An optical transmission apparatus includes a light receiving element and an optical waveguide. The light receiving element receives light. The optical waveguide includes a core, a clad and a concave portion. The clad is adjacent to the core. The concave portion is formed in a portion of the core or a portion of the clad and diffuses the light. The portion of the core or the portion of the clad emits the light toward the light receiving element.