US Patent Issued to Cisco Technology on Nov. 18 for "Fabrication tolerant wavelength demultiplexer receiver" (New Jersey, California Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,713, issued on Nov. 18, was assigned to Cisco Technology Inc. (San Jose, Calif.).

"Fabrication tolerant wavelength demultiplexer receiver" was invented by Long Chen (Marlboro, N.J.), Qianfan Xu (San Jose, Calif.) and Jonathan Edgar Roth (San Mateo, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A receiver comprises at least two input ports. An optical signal containing n wavelengths is coupleable to one of these input ports. The receiver comprises a first demultiplexer coupled to a first input port to separate n wavelengths in the first input port onto n first multiplexer output ports, a second demultiplexer coupled to a second input port to ...