US Patent Issued to Intel on July 28 for "Tunable cascaded Mach-Zehnder interferometer structures" (California, Texas Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,571, issued on July 28, was assigned to Intel Corp. (Santa Clara, Calif.).

"Tunable cascaded Mach-Zehnder interferometer structures" was invented by Saeed Fathololoumi (Los Gatos, Calif.), David Chak Wang Hui (Santa Clara, Calif.), Monireh Moayedi Pour Fard (Austin, Texas) and Jacob Levy (Sierra Madre, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Cascaded Mach-Zehnder Interferometer (CMZI) structures comprising electrically resistive heaters provisioned across the stages so as to enable improved filter wavelength control. In embodiments, CMZI heater power supply control is made a linear function by scaling the number of heater elements betw...