{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-12007667","patent":{"patent_number":"US-12007667","title":"Method for fabrication of ridge waveguides","assignee":null,"inventors":[],"filing_date":"2020-06-17T00:00:00.000Z","publication_date":"2024-06-11T00:00:00.000Z","cpc_codes":["G02F","G02F","G02F","G02F","G02F","G02F"],"num_claims":18,"abstract":"A method for fabricating an optical waveguide comprises: providing a sample of lithium niobate doped with magnesium oxide and having at least one grating of periodic domain inversion defined therein; applying a layer of metallic zinc to a surface of the sample over the at least one grating using sputter deposition; heating the sample in an atmosphere of pure oxygen to cause the zinc to indiffuse into the lithium niobate to form a waveguiding layer of increased refractive index under the surface of the sample; and using a dicing blade to cut two substantially parallel channels along a length direction of the at least one grating, to define a ridge waveguide between the two channels."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method for fabrication of ridge waveguides","description":"A method for fabricating an optical waveguide comprises: providing a sample of lithium niobate doped with magnesium oxide and having at least one grating of periodic domain inversion defined therein; ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-12007667","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-12007667","citation_suggestion":"Patentable. \"Method for fabrication of ridge waveguides\" (US-12007667). https://patentable.app/patents/US-12007667","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-12007667","json":"https://patentable.app/api/llm-context/US-12007667","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T15:11:40.412Z"}