US Patent Issued to Huawei Technologies'Co., 'Ltd.' on Nov. 18 for "Laser chip, injection-locked laser, and network device" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,709, issued on Nov. 18, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Laser chip, injection-locked laser, and network device" was invented by Yuanbing Cheng (Wuhan, China), Yuanfeng Mao (Wuhan, China) and Guangcan Chen (Wuhan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A laser chip includes a first power detector, a first controller, an optical splitter, a polarization splitter-rotator, a bandpass filter, and a slave laser. The optical splitter includes a first, a second, and a third port. The first port is configured to receive injection light of a master laser. The second port is connected to the first power detector....