ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,587, issued on June 23, was assigned to CHAMARTIN LABORATORIES LLC (Wilmington, Del.).

"Architecture for wavelength multiplexers" was invented by Shreyas Y. Shah (Pasadena, Calif.) and Yi Zhang (Pasadena, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system including wavelength multiplexers. In some embodiments, the system includes: a first multiplexing element, having a first plurality of input waveguides, each configured to receive light at a respective wavelength of a first plurality of wavelengths; and a second multiplexing element, having a second plurality of input waveguides, each configured to receive light at a respective waveleng...