{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9620931","patent":{"patent_number":"US-9620931","title":"Optical device, optical transmission device, optical reception device, hybrid laser and optical transmission apparatus","assignee":null,"inventors":[],"filing_date":"2014-08-27T00:00:00.000Z","publication_date":"2017-04-11T00:00:00.000Z","cpc_codes":["H04B","H04B"],"num_claims":17,"abstract":"An optical device includes a silicon waveguide core having a tapered portion having a sectional size that decreases toward a terminal end portion thereof, a dielectric waveguide core contiguous to the silicon waveguide core while covering at least the tapered portion, the dielectric waveguide core having a refractive index lower than that of the silicon waveguide core and configuring a single-mode waveguide, and a diffraction grating provided at the single-mode waveguide and configuring a distributed Bragg reflection mirror."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical device, optical transmission device, optical reception device, hybrid laser and optical transmission apparatus","description":"An optical device includes a silicon waveguide core having a tapered portion having a sectional size that decreases toward a terminal end portion thereof, a dielectric waveguide core contiguous to the","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9620931","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9620931","citation_suggestion":"Patentable. \"Optical device, optical transmission device, optical reception device, hybrid laser and optical transmission apparatus\" (US-9620931). https://patentable.app/patents/US-9620931","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9620931","json":"https://patentable.app/api/llm-context/US-9620931","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T12:04:50.534Z"}