US Patent Issued to TRUMPF PHOTONIC COMPONENTS on Sept. 16 for "Method of forming an optical aperture of a vertical cavity surface emitting laser and vertical cavity surface emitting laser" (German Inventors)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,418,158, issued on Sept. 16, was assigned to TRUMPF PHOTONIC COMPONENTS GMBH (Ulm, Germany).

"Method of forming an optical aperture of a vertical cavity surface emitting laser and vertical cavity surface emitting laser" was invented by Roman Koerner (Lonsee, Germany) and Jenny Tempeler (Ulm, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of forming an optical aperture of a vertical cavity surface emitting laser includes the steps of providing a layer stack of semiconductor layers, the semiconductor layers including an intermediate layer comprising a semiconductor material suitable to be oxidized and oxidizing the intermediate layer to ...