{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9835928","patent":{"patent_number":"US-9835928","title":"Optical N-level quadrature amplitude modulation (NQAM) tuned by dithering associated heaters","assignee":null,"inventors":[],"filing_date":"2017-02-13T00:00:00.000Z","publication_date":"2017-12-05T00:00:00.000Z","cpc_codes":["G02F","G02F","H04B","H04B","G02F","G02F"],"num_claims":21,"abstract":"A technique for tuning a silicon photonics (SiP) based nested (parent/child) Mach-Zehnder modulator (MZM). The technique includes a sequence of applying dither tones on individual arms of the child MZMs, observing changes in the output of the MZM, and adjusting the MZM until reaching the null points for the child MZMs and the quad point for the parent MZM."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical N-level quadrature amplitude modulation (NQAM) tuned by dithering associated heaters","description":"A technique for tuning a silicon photonics (SiP) based nested (parent/child) Mach-Zehnder modulator (MZM). The technique includes a sequence of applying dither tones on individual arms of the child MZ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9835928","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-9835928","citation_suggestion":"Patentable. \"Optical N-level quadrature amplitude modulation (NQAM) tuned by dithering associated heaters\" (US-9835928). https://patentable.app/patents/US-9835928","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9835928","json":"https://patentable.app/api/llm-context/US-9835928","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T03:53:51.257Z"}