ALEXANDRIA, Va., June 25 -- United States Patent no. 12,341,315, issued on June 24, was assigned to Nippon Telegraph and Telephone Corp. (Tokyo).
"Optical semiconductor chip" was invented by Shigeru Kanazawa (Musashino, Japan), Yuta Ueda (Musashino, Japan), Takahiko Shindo (Musashino, Japan) and Meishin Chin (Musashino, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical semiconductor chip of the present disclosure includes a high frequency line between an electrode pad receiving a modulation signal and a modulation electrode on the optical waveguide having a light absorption layer. The depletion layer capacitance generated in the light absorption layer is canceled by an inductor component of the...