{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8488979","patent":{"patent_number":"US-8488979","title":"Multi-level polarization multi-level phase modulator","assignee":null,"inventors":[],"filing_date":"2009-12-23T00:00:00.000Z","publication_date":"2013-07-16T00:00:00.000Z","cpc_codes":["H04J","H04B","H04B","H04B","H04B","H04B"],"num_claims":18,"abstract":"An apparatus for use with an optical computation system may comprise a monolithic device with no free space optical components and may include a phase modulator and a polarization modulator. The phase modulator may be configured to receive a beam of light and two digital data streams and operable to modulate the phase of the beam of light to at least four phase states, the at least four phase states representing the two digital data streams. The polarization modulator may be configured to receive two additional digital data streams and the modulated beam of light from the phase modulator and operable to modulate the polarization of the beam of light to at least four polarization states, the at least four polarization states representing the two additional digital data streams."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Multi-level polarization multi-level phase modulator","description":"An apparatus for use with an optical computation system may comprise a monolithic device with no free space optical components and may include a phase modulator and a polarization modulator. The phase","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8488979","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-8488979","citation_suggestion":"Patentable. \"Multi-level polarization multi-level phase modulator\" (US-8488979). https://patentable.app/patents/US-8488979","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8488979","json":"https://patentable.app/api/llm-context/US-8488979","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T11:53:05.273Z"}