ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,547,042, issued on Feb. 10.
"Integrable laser frequency stabilization using Mach-Zehnder interferometer" was invented by Mohamad Hossein Idjadi (Chatham, N.J.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus is provided, in which a feedback loop for tuning a tunable laser includes a Mach-Zehnder interferometer (MZI), a photodetector optically coupled to an optical output of the MZI, and an electrical feedback control circuit connected to receive electrical output signals from the photodetector and configured to frequency-adjust the tunable laser based on the received electrical output signals. One arm of the MZI includes an optical resonator ...