ALEXANDRIA, Va., July 9 -- United States Patent no. 12,355,492, issued on July 8, was assigned to Lightmatter Inc. (Boston).

"Spectrally interleaved optical transceivers" was invented by Kuang Liu (Queen Creek, Ariz.), Binoy Shah (Niskayuna, N.Y.), Sandeep Sane (Chandler, Ariz.), Jessie Rosenberg (Bedford, Mass.), Nikhil Kumar (East Palo Alto, Calif.), Anthony Kopa (Somerville, Mass.), Carlos Dorta-Quinones (Medford, Mass.), Steven Klinger (Saratoga, Calif.), Darius Bunandar (Boston), Nicholas C. Harris (Menlo Park, Calif.), Srinivasan Ashwyn Srinivasan (Toronto) and Elliot Greenwald (Somerville, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are wavelength division multiplexing (WDM) ...