US Patent Issued to SONY GROUP on Sept. 15 for "Vertical cavity surface emitting laser device and method of producing a vertical cavity surface emitting laser device" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,738,714, issued on Sept. 15, was assigned to SONY GROUP Corp. (Tokyo).

"Vertical cavity surface emitting laser device and method of producing a vertical cavity surface emitting laser device" was invented by Hiroshi Nakajima (Tokyo), Mikihiro Yokozeki (Tokyo), Tomomasa Watanabe (Tokyo) and Daiji Kasahara (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a vertical cavity surface emitting laser device including a first reflection mirror, a second reflection mirror, a first semiconductor layer, a second semiconductor layer, a tunnel junction layer, and a light-emitting layer, the vertical cavity surface emitting laser device having a mesa ...