ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,418, issued on Dec. 2, was assigned to Chiral Photonics Inc. (Pine Brook, N.J.).

"Multichannel optical coupler array" was invented by Victor Il'ich Kopp (Fair Lawn, N.J.), Jongchul Park (Lake Hiawatha, N.J.) and Daniel Neugroschl (Suffern, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multichannel optical coupler array can include a coupler housing structure and longitudinal waveguides. At least one of the longitudinal waveguides can be a vanishing core waveguide having an inner vanishing core having a first refractive index (N-1), an outer core having a second refractive index (N-2), and an outer cladding having a third refractive index (N-3...