ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,436,441, issued on Oct. 7, was assigned to ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE (Daejeon, South Korea).
"Silicon photonics-based optical modulation device with two metal layers" was invented by Sanghwa Yoo (Daejeon, South Korea), Heuk Park (Daejeon, South Korea) and Joon Ki Lee (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "According one embodiment of the present disclosure, there is provided a silicon photonics-based optical modulation device having two metal layers. The optical modulation device includes a phase shifter, a ground unit, and a pad unit. The phase shifter includes a first signal electrode, a second s...