US Patent Issued to Sumitomo Electric Industries on Nov. 11 for "Vertical cavity surface-emitting laser" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,470,046, issued on Nov. 11, was assigned to Sumitomo Electric Industries Ltd. (Osaka, Japan).

"Vertical cavity surface-emitting laser" was invented by Takamichi Sumitomo (Osaka, Japan), Kei Fujii (Osaka, Japan), Suguru Arikata (Osaka, Japan), Takeshi Aoki (Osaka, Japan) and Susumu Yoshimoto (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vertical cavity surface-emitting laser configured to emit laser light having a wavelength of 830 nm to 910 nm includes a substrate having a main surface including GaAs, a first distributed Bragg reflector, an active layer, and a second distributed Bragg reflector. The substrate, the first distributed Brag...