US Patent Issued to FERDINAND-BRAUN-INSTITUT GGMBH LEIBNIZ-INSTITUT FUR HOCHSTFREQUENZTECHNIK on Nov. 4 for "Diode laser with current block" (German Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,463,400, issued on Nov. 4, was assigned to FERDINAND-BRAUN-INSTITUT GGMBH LEIBNIZ-INSTITUT FUR HOCHSTFREQUENZTECHNIK (Berlin).

"Diode laser with current block" was invented by Pietro Della Casa (Berlin), Mohamed Elattar (Berlin), Paul Crump (Berlin) and Hans Wenzel (Berlin).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a diode laser with a current block and, in particular, to a diode laser with a modified "p-n-p" or "n-p-n" structure as a current block for reducing the tunneling probability. A diode laser according to the invention comprises an active layer and a layered current block formed outside the active layer, wher...