US Patent Issued to INSTITUTE OF SCIENCE TOKYO on Oct. 6 for "Surface emitting laser" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,756,160, issued on Oct. 6, was assigned to INSTITUTE OF SCIENCE TOKYO (Tokyo).

"Surface emitting laser" was invented by Fumio Koyama (Tokyo), Hameeda Ibrahim (Tokyo), Xiaodong Gu (Tokyo) and Ahmed Hassan (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A surface emitting laser has a Vertical-Cavity Surface emitting laser (VCSEL) structure. The VCSEL structure includes an aperture provided by a current confinement structure. An optically discontinuous portion is formed in a top Distributed Bragg Reflector (DBR) of the VCSEL structure such that it is arranged in a region with a gap between it and the aperture."

The patent was filed on June 22, 2021, ...