US Patent Issued to FUJITSU OPTICAL COMPONENTS on Aug. 18 for "Optical device, optical transmitter device, and optical receiver device" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,710,584, issued on Aug. 18, was assigned to FUJITSU OPTICAL COMPONENTS Ltd. (Kawasaki, Japan).

"Optical device, optical transmitter device, and optical receiver device" was invented by Tatsuya Ito (Yokohama, Japan) and Akira Oka (Kawasaki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical device includes a core formed on a substrate, a cladding layer covering the core, and a passivation layer formed on the cladding layer. The optical device includes a spot size converter that causes an increase in spot size of a light, which is guided through the core, toward end portion of the substrate. The passivation layer has a higher material refract...