US Patent Issued to Marvell Asia on Oct. 7 for "Optics ring modulator including grating pillar" (Singaporean, American Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,436,416, issued on Oct. 7, was assigned to Marvell Asia Pte Ltd (Singapore).

"Optics ring modulator including grating pillar" was invented by Wanjun Wang (Singapore), Xiaoguang Tu (Singapore) and Masaki Kato (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A silicon photonics modulator includes a substrate, a PN junction disposed on the substrate, the PN junction formed by a first L-shaped region doped with a p-type doping abutting a second L-shaped region doped with an n-type doping, a first plurality of regions each having different p-type doping concentrations greater than the first L-shaped region, and a second plurality of regions e...