US Patent Issued to Psiquantum on July 15 for "Interferometer filters with partial compensation structure" (California Inventor)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,907, issued on July 15, was assigned to Psiquantum Corp. (Palo Alto, Calif.).

"Interferometer filters with partial compensation structure" was invented by Koustuban Ravi (Oakland, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A Mach-Zehnder interferometer (MZI) filter comprising one or more passive compensation structures are described. The passive compensation structures yield MZI filters that are intrinsically tolerant to perturbations in waveguide dimensions and/or other ambient conditions. The use of n+1 waveguide widths can mitigate n different sources of perturbation to the filter. The use of at least three different waveguide widths f...