ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,393, issued on Jan. 20, was assigned to IQE plc (Cardiff, Great Britain).
"Porous distributed Bragg reflector apparatuses, systems, and methods" was invented by Matthew Geen (Cardiff, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A layered structure includes a first layer being a single material and a cavity coupled to the first layer. The first layer includes a porous region to form a first distributed Bragg reflector (DBR). The porous region includes alternating first porous and second porous sublayers of the single material to form the first DBR. The cavity includes an active region to generate radiation, detect radiation, or both....