US Patent Issued to Huawei Technologies'Co., 'Ltd.' on Feb. 3 for "Semiconductor laser, optical transmitter component, optical line terminal, and optical network unit" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,423, issued on Feb. 3, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Semiconductor laser, optical transmitter component, optical line terminal, and optical network unit" was invented by Yuanbing Cheng (Wuhan, China), Jing Dai (Shenzhen, China), Yinghua Dong (Shenzhen, China) and Sulin Yang (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor laser, an optical transmitter component, an optical line terminal, and an optical network unit. The semiconductor laser includes a substrate, a lower waveguide layer, a lower confining layer, a central layer, an upper confining layer, a grating layer, an upper wavegu...