{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10530119","patent":{"patent_number":"US-10530119","title":"Wavelength locker, wavelength tunable laser apparatus, and method for controlling wavelength tunable laser apparatus","assignee":null,"inventors":[],"filing_date":"2018-07-31T00:00:00.000Z","publication_date":"2020-01-07T00:00:00.000Z","cpc_codes":["H04B"],"num_claims":11,"abstract":"A wavelength locker includes a splitter configured to split a portion of light that is output from a light source into a first monitoring light and a second monitoring light; a first periodic filter configured to receive the first monitoring light; a second periodic filter configured to receive the second monitoring light; a first optical receiver configured to monitor an intensity of light that has passed through the first periodic filter; and a second optical receiver configured to monitor an intensity of light that has passed through the second periodic filter, wherein the first periodic filter and the second periodic filter each has a wavelength characteristic in which an intensity of transmitted light changes periodically with respect to a wavelength, and the wavelength characteristic of the first periodic filter and the wavelength characteristic of the second periodic filter shift in opposite wavelength directions when temperature changes."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Wavelength locker, wavelength tunable laser apparatus, and method for controlling wavelength tunable laser apparatus","description":"A wavelength locker includes a splitter configured to split a portion of light that is output from a light source into a first monitoring light and a second monitoring light; a first periodic filter c","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10530119","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-10530119","citation_suggestion":"Patentable. \"Wavelength locker, wavelength tunable laser apparatus, and method for controlling wavelength tunable laser apparatus\" (US-10530119). https://patentable.app/patents/US-10530119","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10530119","json":"https://patentable.app/api/llm-context/US-10530119","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T05:38:36.977Z"}