ALEXANDRIA, Va., July 14 -- United States Patent no. 12,681,152, issued on July 14, was assigned to SiFotonics Technologies (Beijing) Co. Ltd. (Beijing).
"Dual-polarized light detection and ranging receiving end based on optical chip" was invented by Fan Qi (Beijing) and Pengfei Cai (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a dual-polarized Lidar receiving end based on an optical chip, including a module for receiving reflected light, a module for receiving local oscillator light, a plurality of frequency mixers, a plurality of detectors and a plurality of variable optical attenuators. The Lidar receiving end according to the present invention can receive and proc...