US Patent Issued to MACOM Technology Solutions Holdings on Jan. 13 for "Athermal arrayed waveguide grating" (Pennsylvania Inventor)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,816, issued on Jan. 13, was assigned to MACOM Technology Solutions Holdings Inc. (Lowell, Mass.).

"Athermal arrayed waveguide grating" was invented by Hiroyuki Yamazaki (Allentown, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Athermal arrayed waveguide grating structure that may operate as an optical filter including an input Silicon (Si) slab waveguide, an output Si slab waveguide, the input Si slab waveguide and the output Si slab waveguide optically connected by an arrayed group of Silicon Nitride (SiN) grating waveguides. Temperature insensitivity of the structure is achieved by locating output waveguide(s) of the Si output slab waveguide ...