US Patent Issued to Lumentum Technology UK on Nov. 25 for "Phase control for double-nested quadrature modulator" (British Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,197, issued on Nov. 25, was assigned to Lumentum Technology UK Ltd. (Northamptonshire, Great Britain).

"Phase control for double-nested quadrature modulator" was invented by Brian Garrett (Devon, Great Britain), Amyas Holroyd (Devon, Great Britain), Chalani Abeywardena (Devon, Great Britain) and Michael Rigby-Jones (Devon, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "In some implementations, a controller may apply a set of phase dithers to a first inner Mach-Zehnder (MZ) interferometer and a second inner MZ interferometer, the first inner MZ interferometer and the second inner MZ interferometer being included in an outer MZ interfero...