US Patent Issued to Lumentum Technology UK on June 23 for "Deep-etched electro-optic waveguide modulator with non-constant waveguide width" (British, Canadian Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,688, issued on June 23, was assigned to Lumentum Technology UK Ltd. (Northamptonshire, Great Britain).

"Deep-etched electro-optic waveguide modulator with non-constant waveguide width" was invented by John M. Heaton (Worcestershire, Great Britain), Robert Griffin (Northamptonshire, Great Britain), Maxime Poirier (Gatineau, Canada) and Neil David Whitbread (Northamptonshire, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "In some implementations, an electro-optic waveguide modulator includes a deep-etched waveguide. A first cladding is disposed on a top surface of the deep-etched waveguide. A second cladding is disposed on a bottom surfa...