US Patent Issued to TDK on Sept. 1 for "Optical modulator, light source module, optical engine, and XR glasses" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,724,299, issued on Sept. 1, was assigned to TDK Corp. (Tokyo).

"Optical modulator, light source module, optical engine, and XR glasses" was invented by Hiroki Hara (Tokyo), Yasuhiro Takagi (Tokyo), Atsushi Shimura (Tokyo) and Jiro Yoshinari (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical modulator is a Mach-Zehnder-type optical modulator having a substrate and an optical waveguide layer including a lithium niobate film formed on the substrate. The optical waveguide layer includes a plurality of flat portions and n ridge portions arranged between the flat portions to be adjacent, where n is two or more. Each of the n ridge portions inclu...