US Patent Issued to XILINX on Aug. 18 for "Process variation-tolerant cascaded tapered optical ring resonators" (New York, California Inventors)

ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,710,596, issued on Aug. 18, was assigned to XILINX INC. (San Jose, Calif.).

"Process variation-tolerant cascaded tapered optical ring resonators" was invented by Robert Parsons (New York), Chuan Xie (Fremont, Calif.) and Mayank Raj (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments herein describe a method for selectively filtering different wavelengths of optical signals received from an optical channel using cascaded ring resonators, each of the cascaded ring resonators having a first ring and a second ring. The first ring has a varying waveguide width along its length configured to form a first waveguide width portion and a ...