ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,235,489, issued on Feb. 25, was assigned to Lightmatter Inc. (Boston).

"Multi-tenant isolation on a multi-reticle photonic communication platform" was invented by Nicholas C. Harris (Menlo Park, Calif.) and Robert Turner (Georgetown, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are photonic communication platforms that permit use by multiple users in a secure way. A platform comprises a substrate, a first photonic circuit monolithically integrated with the substrate, and a second photonic circuit monolithically integrated with the substrate. The first photonic circuit is patterned with a first plurality of photonic modules, the ...