US Patent Issued to Marvell Asia on Oct. 21 for "Optical communication systems and silicon photonics passive multiplexers and demultiplexers having Mach-Zehnder interferometer structures" (Canadian, American Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,966, issued on Oct. 21, was assigned to Marvell Asia Pte Ltd (Singapore).

"Optical communication systems and silicon photonics passive multiplexers and demultiplexers having Mach-Zehnder interferometer structures" was invented by Hong Cai (San Jose, Calif.), Yun Wang (Ottawa) and Jie Lin (Cupertino, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical communication system includes a transceiver device and a passive multiplexer and demultiplexer (PMAD). The transceiver device transmits or receives optical signals. The PMAD has a Mach-Zehnder interferometer structure, is connected to the transceiver device, and operates as a passive multip...