The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 01, 2026
Filed:
Dec. 04, 2023
Electronics and Telecommunications Research Institute, Daejeon, KR;
Minhyup Song, Daejeon, KR;
Minje Song, Daejeon, KR;
Joon Tae Ahn, Daejeon, KR;
Taehyun Lee, Daejeon, KR;
Seungyoung Lim, Daejeon, KR;
Young Jin Jung, Daejeon, KR;
Gyu Dong Choi, Daejeon, KR;
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon, KR;
Abstract
Provided is an optical self-heterodyne detection system. The system includes a light source configured to generate light, a photodetector configured to detect the light, a programmable filter provided between the photodetector and the light source, and an electrical spectrum analyzer connected to the photodetector and configured to analyze a frequency and wavelength of the light using a detection signal of the photodetector. The light source may include a frequency comb light source.