{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8494315","patent":{"patent_number":"US-8494315","title":"Photonic integrated circuit having a waveguide-grating coupler","assignee":null,"inventors":[],"filing_date":"2009-12-17T00:00:00.000Z","publication_date":"2013-07-23T00:00:00.000Z","cpc_codes":["B82Y","G11B","G11B"],"num_claims":13,"abstract":"A photonic integrated circuit (PIC) having a waveguide-grating coupler with two evanescently coupled waveguides. The first waveguide is fabricated using materials suitable for manufacturing active optical elements in the PIC. The second waveguide is fabricated using materials capable of providing a relatively high index-of-refraction contrast for the constituent waveguide grating. The waveguide-grating coupler is compatible with the III-V semiconductor technology while being relatively easy to fabricate on an industrial scale."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Photonic integrated circuit having a waveguide-grating coupler","description":"A photonic integrated circuit (PIC) having a waveguide-grating coupler with two evanescently coupled waveguides. The first waveguide is fabricated using materials suitable for manufacturing active opt","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8494315","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-8494315","citation_suggestion":"Patentable. \"Photonic integrated circuit having a waveguide-grating coupler\" (US-8494315). https://patentable.app/patents/US-8494315","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8494315","json":"https://patentable.app/api/llm-context/US-8494315","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T06:23:44.128Z"}