US Patent Issued to Raytheon on March 25 for "Multi-node, multi-stream photonic integrated circuit-based free-space optical communication device" (California Inventor)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,645, issued on March 25, was assigned to Raytheon Co. (Arlington, Va.).

"Multi-node, multi-stream photonic integrated circuit-based free-space optical communication device" was invented by Stephen P. Palese (Redondo Beach, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus includes a photonic integrated circuit having an optical phased array. The optical phased array includes multiple unit cells, where each unit cell includes an antenna element configured to transmit or receive optical signals. The unit cells are grouped into multiple supercells, and each supercell includes multiple unit cells. The apparatus also includes multiple a...