ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,413,037, issued on Sept. 9, was assigned to Lumentum Operations LLC (San Jose, Calif.).
"Optical isolator core" was invented by Jian Chen (San Jose, Calif.), Chang Xiao (Shenzhen, China), Xia Hong (Fremont, Calif.) and Fangdong Zhao (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "In some implementations, an optical isolator core includes a Faraday rotator and a plurality of birefringent crystal plates. The plurality of birefringent crystal plates may include a first birefringent crystal plate to separate input light into light having a first polarization and light having a second polarization, and a second birefringent crystal plate to ...