US Patent Issued to University of Rochester on Dec. 9 for "Photonic integrated circuit and characterization method" (New York, Colorado Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,000, issued on Dec. 9, was assigned to University of Rochester (Rochester, N.Y.).

"Photonic integrated circuit and characterization method" was invented by Thomas G. Brown (Rochester, N.Y.), Debra Saulnier (Denver) and Tyler Howard (Rochester, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for characterizing a photonic integrated circuit comprising includes coupling an evanescent field into a scattering element adjacent to a guiding layer of the photonic integrated circuit. The evanescent field is of an optical mode of light propagating in the guiding layer, and has an in-medium wavelength in the guiding layer. A maximum spatial dimensi...