US Patent Issued to TRUMPF PHOTONIC COMPONENTS on April 21 for "VCSEL with increased wavelength dependence on driving current" (Dutch, German Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,508, issued on April 21, was assigned to TRUMPF PHOTONIC COMPONENTS GMBH (Ulm, Germany).

"VCSEL with increased wavelength dependence on driving current" was invented by Ulrich Weichmann (Aachen, Germany) and Holger Joachim Moench (Vaals, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "A Vertical Cavity Surface Emitting Laser (VCSEL) includes an optical resonator with a first reflector, a second reflector, and an active region for laser emission arranged between the first reflector and the second reflector, and an electrical contact arrangement configured to provide an electrical drive current to electrically pump the optical resonator. T...