US Patent Issued to PRESIDENT AND FELLOWS OF HARVARD COLLEGE on July 8 for "Spin-to-orbital angular momentum converter for light" (Massachusetts Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,921, issued on July 8, was assigned to PRESIDENT AND FELLOWS OF HARVARD COLLEGE (Cambridge, Mass.).

"Spin-to-orbital angular momentum converter for light" was invented by Federico Capasso (Cambridge, Mass.), Antonio Ambrosio (Arlington, Mass.), Noah A. Rubin (Cambridge, Mass.), Robert C. Devlin (Cambridge, Mass.) and Yao-Wei Huang (Somerville, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical device comprises a metasurface including a plurality of nanostructures. The nanostructures convert an input light of an arbitrary spin state into an output light of an arbitrary total angular momentum state characterized by a superposition of two i...