US Patent Issued to MARVELL ASIA on Feb. 17 for "Silicon-germanium based electro-refractive optical modulator for silicon photonics" (Canadian, American Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,554,152, issued on Feb. 17, was assigned to MARVELL ASIA PTE LTD (Singapore).

"Silicon-germanium based electro-refractive optical modulator for silicon photonics" was invented by Hamed Pishvaibazargani (Stittsville, Canada), Jie Lin (Cupertino, Calif.) and Masaki Kato (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical modulator includes a slab of silicon, a first layer of silicon disposed on the slab, and a second layer. The second layer includes a mixture of germanium and silicon. The second layer is at least partially disposed on the first layer. The second layer includes an intrinsic portion of the mixture and further includ...