US Patent Issued to The University of British Columbia on April 7 for "Electronically-controlled optical feedback methods for laser linewidth" (Canadian Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,755, issued on April 7, was assigned to The University of British Columbia (Vancouver, Canada).

"Electronically-controlled optical feedback methods for laser linewidth" was invented by Hossam Ahmed Sabri Shoman (Vancouver, Canada), Sudip Shekhar (Vancouver, Canada), Lukas Chrostowski (Vancouver, Canada) and Omid Esmaeeli (Vancouver, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "An integrated optical linewidth reduction system based on optical feedback and a low-speed electronic control loop to control the optical feedback. Light is tapped and reflected back to the laser with an amplitude, phase or both amplitude and phase adjustment such tha...