ALEXANDRIA, Va., June 4 -- United States Patent no. 12,321,049, issued on June 3, was assigned to Hewlett Packard Enterprise Development LP (Spring, Texas).
"Optical device including a grated optical waveguide to improve modulation efficiency" was invented by Yiwei Peng (Milpitas, Calif.), Yuan Yuan (Milpitas, Calif.), Stanley Cheung (Milpitas, Calif.) and Zhihong Huang (Milpitas, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Examples described herein relate to an optical device that entails phase shifting an optical signal. The optical device includes an optical waveguide having a first semiconductor material region and a second semiconductor material region formed adjacent to each other and definin...