ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,511, issued on April 29, was assigned to Ciena Corp. (Hanover, Md.).

"Managing characterization of optical couplers in an integrated circuit" was invented by Marie-Josee Picard (L'Ancienne-Lorette, Canada) and Christine Latrasse (Quebec, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "An integrated circuit can include one or more photonic layers that include a plurality of photonic integrated circuit portions. A first optical coupler is configured to couple an optical mode of an optical wave to a first photonic integrated circuit portion in the one or more photonic layers. A second optical coupler is configured to couple an optical mode of an o...