ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,821, issued on May 19, was assigned to APPLE INC. (Cupertino, Calif.).
"Photonic passive delay lines with reduced parasitic losses" was invented by Jason S. Pelc (Sunnyvale, Calif.), Yu Miao (Sunnyvale, Calif.), Mark A. Arbore (Los Altos, Calif.), Meng Huang (Fremont, Calif.) and Zhechao Wang (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Various embodiments disclosed herein describe photonic passive delay lines that have a waveguide wound into a plurality of straight segments and bends. The photonic passive delay lines are configured to reduce losses from parasitic modes of light generated at the bends. Embodiments of the photonic ...