ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,235,492, issued on Feb. 25, was assigned to The Regents of the University of California (Oakland, Calif.).
"Wafer-scale-integrated silicon-photonics-based optical switching system and method of forming" was invented by Tae Joon Seok (Berkeley, Calif.) and Ming Chiang A Wu (Moraga, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A large-scale silicon-photonics-based optical switching system that occupies an area larger than the maximum area of a standard step-and-repeat lithography reticle is disclosed. The system includes a plurality of identical switch blocks, each of is formed in a different reticle field that no larger than the maximum reticle ...