ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,979, issued on Feb. 10.
"VCSEL array with non-isolated emitters" was invented by Dongseok Kang (Mt Pleasant, Mich.), Yongxiang He (Sunnyvale, Calif.), Siva Kumar Lanka (Reno, Nev.) and Yang Wang (Hefei, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A VCSEL array comprises a plurality of non-isolated VCSEL emitters. Each non-isolated VCSEL emitter comprises a first reflector region, a current confining oxide layer, an oxide aperture, an active region, and a second reflector region. The current confining oxide layer and oxide aperture are made by oxidizing a relatively high Al-content layer via separate oxidation holes. The separate oxidation h...