ALEXANDRIA, Va., July 16 -- United States Patent no. 12,360,406, issued on July 15, was assigned to MARVELL ASIA PTE LTD (Singapore).
"Multi-doped slab silicon optical modulator" was invented by Samira Karimelahi (San Jose, Calif.) and Masaki Kato (Palo Alto, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A silicon optical modulator with improved bandwidth includes a silicon waveguide with a rib structure in cross section connected to a first slab region and a second slab region respectively on two opposite sides of the rib structure. The silicon optical modulator further includes a PN junction formed in the rib structure with a P-type part joined with the first slab region and a N-type part joined wi...