{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8498501","patent":{"patent_number":"US-8498501","title":"Semiconductor optical modulator and semiconductor mach-zehnder optical modulator","assignee":null,"inventors":[],"filing_date":"2010-05-12T00:00:00.000Z","publication_date":"2013-07-30T00:00:00.000Z","cpc_codes":["G02F","G02F","G02F","G02F"],"num_claims":11,"abstract":"Provided are a semiconductor optical modulator and a semiconductor Mach-Zehnder optical modulator of high efficiency and high reliability.The semiconductor optical modulator 10 of the present invention includes a substrate 11; a first n-type cladding layer 12; a semiconductor optical modulation layer 13; a p-type cladding layer 14; a second n-type cladding layer 15; a passivation film 19; and an electric field-relaxing layer 16, wherein the first n-type cladding layer 12, the semiconductor optical modulation layer 13, the p-type cladding layer 14, and the second n-type cladding layer 15 are laminated on the substrate 11 in this order to form a waveguide structure, the passivation film 19 is arranged at the side surfaces of the waveguide structure, the electric field-relaxing layer 16 is interposed between the p-type cladding layer 14 and the second n-type cladding layer 15, and an impurity concentration of the electric field-relaxing layer 16 is lower than that of the p-type cladding layer 14 and that of the second n-type cladding layer 15. "},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semiconductor optical modulator and semiconductor mach-zehnder optical modulator","description":"Provided are a semiconductor optical modulator and a semiconductor Mach-Zehnder optical modulator of high efficiency and high reliability.The semiconductor optical modulator 10 of the present inventio","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8498501","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-8498501","citation_suggestion":"Patentable. \"Semiconductor optical modulator and semiconductor mach-zehnder optical modulator\" (US-8498501). https://patentable.app/patents/US-8498501","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8498501","json":"https://patentable.app/api/llm-context/US-8498501","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T04:10:53.255Z"}