ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,468,091, issued on Nov. 11, was assigned to Psiquantum Corp. (Palo Alto, Calif.).
"System for integrated photonic notch filter" was invented by Bryan Park (Campbell, Calif.), Koustuban Ravi (Oakland, Calif.), Eric Dudley (Sacramento, Calif.), Mihai Dorian Vidrighin (Palo Alto, Calif.) and Mehdi Jadidi (San Mateo, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A notch filter circuit includes a wavelength demultiplexer, a first pump rejection filter coupled to the wavelength demultiplexer, and a second pump rejection filter coupled to the wavelength demultiplexer. The notch filter circuit also includes a first notch filter arm coupled to the first ...