US Patent Issued to Ciena on Oct. 27 for "In-service OTDR trace monitoring for change of fiber and Raman gain profile with Raman amplification using machine learning" (Canadian Inventor)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,935, issued on Oct. 27, was assigned to Ciena Corp. (Fulton, Md.).

"In-service OTDR trace monitoring for change of fiber and Raman gain profile with Raman amplification using machine learning" was invented by Yinqing Pei (Kanata, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Optical Time Domain Reflectometer (OTDR) trace monitoring for change of fiber and Raman gain profile with Raman amplification uses Machine Learning. The OTDR trace monitoring includes obtaining data associated with a plurality of Optical Time Domain Reflectometer (OTDR) traces each performed at a different time; responsive to changes between the plurality of OTDR traces ...