ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,719,577, issued on Aug. 25, was assigned to Accelink Technologies Co. Ltd. (Wuhan City, China).

"High-isolation light source filling device and method in wavelength Division multiplexing system" was invented by Li Xiao (Wuhan, China), Shujuan Sun (Wuhan, China), Jiekui Yu (Wuhan, China), Jian Xu (Wuhan, China), Wen Chen (Wuhan, China), Zhiyuan Wei (Wuhan, China), Qi Li (Wuhan, China) and Xu Gao (Wuhan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure relates to the field of optical communication technology and provides a high-isolation light source filling device in a wavelength division multiplexing system and method thereof. The li...