{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8488918","patent":{"patent_number":"US-8488918","title":"Semiconductor optical device, optical transmitter module, optical transceiver module, and optical transmission equipment","assignee":null,"inventors":[],"filing_date":"2011-05-16T00:00:00.000Z","publication_date":"2013-07-16T00:00:00.000Z","cpc_codes":["G02F","B82Y"],"num_claims":19,"abstract":"Provided is a semiconductor optical device, which has a buried heterostructure structure and is formed in a structure capable of reducing a parasitic capacitance to further improve characteristics thereof, and also provided are an optical transmitter module, an optical transceiver module, and an optical transmission equipment. The semiconductor optical device includes a modulator portion for modulating light input along an emitting direction and radiating the modulated light, the modulator portion including: a mesa-stripe structure, which includes an active layer and extends in the emitting direction; and a buried layer provided adjacent to each side of the mesa-stripe structure, in which a distance between a lower surface of the buried layer and a lower surface of the active layer is 20% or more of a distance between the lower surface and an upper surface of the buried layer."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semiconductor optical device, optical transmitter module, optical transceiver module, and optical transmission equipment","description":"Provided is a semiconductor optical device, which has a buried heterostructure structure and is formed in a structure capable of reducing a parasitic capacitance to further improve characteristics the","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8488918","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-8488918","citation_suggestion":"Patentable. \"Semiconductor optical device, optical transmitter module, optical transceiver module, and optical transmission equipment\" (US-8488918). https://patentable.app/patents/US-8488918","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8488918","json":"https://patentable.app/api/llm-context/US-8488918","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T19:51:47.222Z"}