US Patent Issued to UNIVERSITY OF MARYLAND, COLLEGE PARK, California Institute of Technology on Aug. 11 for "Arrayed waveguide grating with reusable delay line (AWG-RDL)" (Maryland, California Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,680, issued on Aug. 11, was assigned to UNIVERSITY OF MARYLAND, COLLEGE PARK (College Park, Md.) and California Institute of Technology (Pasadena, Calif.).

"Arrayed waveguide grating with reusable delay line (AWG-RDL)" was invented by Yang Zhang (Hyattsville, Md.), Mario Dagenais (Chevy Chase, Md.), Sylvain Veilleux (Chevy Chase, Md.), Jiahao Zhan (College Park, Md.), Pradip Gatkine (Pasadena, Calif.) and Wei-Lun Hsu (Silver Spring, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An arrayed waveguide grating (AWG) can have a reusable delay line, a plurality of coupling devices, and a free propagation region (FPR). The delay line can have a contin...