Intellectual Property India Publishes Patent Application for Process Variation-Tolerant Cascaded Tapered Optical Ring Resonators

MUMBAI, India, June 30 -- Intellectual Property India has published a patent application (202647074850 A) filed by Xilinx, Inc. on June 17, 2026, for Process Variation-Tolerant Cascaded Tapered Optical Ring Resonators.

Inventors include Parsons, Robert; Xie, Chuan; and Raj, Mayank.

The application for the patent was published on June 26, 2026, under issue no. 26/2026.

Abstract: 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 se...