{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10536221","patent":{"patent_number":"US-10536221","title":"Methods and apparatus for detecting and compensating bandwidth limitation and modulation nonlinearity of a coherent optical transponder","assignee":null,"inventors":[],"filing_date":"2018-06-14T00:00:00.000Z","publication_date":"2020-01-14T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04B","H04B","H04B"],"num_claims":20,"abstract":"In some embodiments, an apparatus includes a memory and a processor operatively coupled to the memory. The processor is configured to send a stimulus signal at a frequency that corresponds to a first frequency value to a tributary channel of a coherent optical transponder. The processor is configured to adjust an amplitude of the stimulus signal and receive a first plurality of output optical power values. The processor is configured to adjust the frequency of the stimulus signal and receive a second plurality of output optical power values. The processor is configured to determine a bandwidth limitation and a modulation nonlinearity, and then send a first signal to a first filter to reduce the bandwidth limitation and a second signal to a second filter to reduce the modulation nonlinearity."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Methods and apparatus for detecting and compensating bandwidth limitation and modulation nonlinearity of a coherent optical transponder","description":"In some embodiments, an apparatus includes a memory and a processor operatively coupled to the memory. The processor is configured to send a stimulus signal at a frequency that corresponds to a first ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10536221","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-10536221","citation_suggestion":"Patentable. \"Methods and apparatus for detecting and compensating bandwidth limitation and modulation nonlinearity of a coherent optical transponder\" (US-10536221). https://patentable.app/patents/US-10536221","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10536221","json":"https://patentable.app/api/llm-context/US-10536221","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T20:11:54.842Z"}