ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,470, issued on May 27, was assigned to HUAWEI TECHNOLOGIES CANADA Co. LTD. (Kanata, Canada) and THE UNIVERSITY OF OTTAWA (Ottawa).

"Method and apparatus for operating optical wavemeter and wavemeter comprising same" was invented by Trevor James Hall (Manotick, Canada), Mohammad Mehdi Mansouri Rad (Kanata, Canada) and Gazi Mahamud Hasan (Ottawa).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a method, apparatus and system for calibrating and operating an optical wavemeter. In calibration, training optical signals with known wavelengths are input to a wavemeter, and corresponding photodetector measurements are obtained. Optical parame...