ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,479, issued on Dec. 2.
"Integrated optical circulator" was invented by Junhong Cao (Wuhan, China), Long Chen (Wuhan, China), Qingming Xiao (Wuhan, China), Hui Xie (Wuhan, China), Jieqiao Fan (Wuhan, China) and Min Wang (Wuhan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An integrated optical circulator comprising at least two single-fiber bidirectional optical fiber interfaces, a refractive element group, an optical isolation element group, and an optical fiber array, wherein the refractive element group and the optical isolation element group are sequentially arranged on a same optical path; incident signal light from each optical fiber int...