{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8521021","patent":{"patent_number":"US-8521021","title":"Method and apparatus for switching optical wavelengths","assignee":null,"inventors":[],"filing_date":"2008-03-11T00:00:00.000Z","publication_date":"2013-08-27T00:00:00.000Z","cpc_codes":["H04Q","H04J","H04J","H04J","H04J","H04Q","H04Q","H04Q","H04Q","H04Q"],"num_claims":8,"abstract":"An example embodiment of the present invention is a non-blocking wavelength switching architecture that enables graceful scaling of a network wavelength switching node from small to large fiber counts using fixed size bidirectional 1×N Wavelength Selective Switches (WSS). The architecture uses an intermediate broadcast and select layer implemented using optical splitters and WSSs to eliminate wavelength blocking."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for switching optical wavelengths","description":"An example embodiment of the present invention is a non-blocking wavelength switching architecture that enables graceful scaling of a network wavelength switching node from small to large fiber counts","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8521021","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-8521021","citation_suggestion":"Patentable. \"Method and apparatus for switching optical wavelengths\" (US-8521021). https://patentable.app/patents/US-8521021","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8521021","json":"https://patentable.app/api/llm-context/US-8521021","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T21:25:13.627Z"}