US Patent Issued to Xi'an Creation Keji on April 15 for "Optical fiber microwave frequency transmission method based on laser frequency offset-locking" (Chinese Inventor)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,457, issued on April 15, was assigned to Xi'an Creation Keji Co. Ltd. (Xi'an, China).

"Optical fiber microwave frequency transmission method based on laser frequency offset-locking" was invented by Yi Zhang (Xi'an, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical fiber microwave frequency transmission method based on laser frequency offset-locking includes: generating, by a master laser and a slave laser respectively, a master laser signal and a slave laser signal; transmitting, by an optical fiber link, the master laser signal and the slave laser signal to a microwave frequency receiver, and locking a frequency difference between the ...