ALEXANDRIA, Va., May 5 -- United States Patent no. 12,621,076, issued on May 5, was assigned to Solutions and Networks Oy (Espoo, Finland).

"Add/drop capability for spatial division multiplexed optical systems" was invented by John Simsarian (Highland Park, N.J.), David Neilson (Old Bridge, N.J.) and Roland Ryf (Aberdeen, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Various example embodiments for supporting optical transport systems are presented. Various example embodiments for supporting optical transport systems may be configured to support optical transport systems that support multiple fibers based on use of spatial division multiplexing (SDM) techniques. Various example embodiments for supporti...