ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,407, issued on Dec. 2, was assigned to Apple Inc. (Cupertino, Calif.).
"Compact light splitting devices and methods" was invented by Yi-Kuei Wu (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Configurations for a light splitting device used for light splitting over an operating bandwidth of wavelengths are disclosed. The light splitting device may include a first coupler and a second coupler, where the first coupler has a first splitting power relationship and the second coupler has a second splitting power relationship and the first and second splitting power relationships are complementary to one another over the operating bandwidt...