ALEXANDRIA, Va., July 30 -- United States Patent no. 12,372,816, issued on July 29.
"Apparatus and method for a silicon modulator with strong gradient slab doping" was invented by Long Chen (Marlboro, N.J.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods of fabricating electro-optical modulators and the resulting electro-optical modulators are described herein. In some embodiments, a method comprises defining a waveguide having a core region, implanting dopants into a contact region of the waveguide, and diffusing the dopants laterally toward the core region. In some embodiments, a method comprises implanting n-type and p-type dopants into respective first and second contact regions of the optical wave...