US Patent Issued to Nokia Solutions and Networks on March 17 for "Coherent detection of subcarrier-multiplexed signals using a frequency comb" (New Jersey Inventor)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,663, issued on March 17, was assigned to Nokia Solutions and Networks Oy (Espoo, Finland).

"Coherent detection of subcarrier-multiplexed signals using a frequency comb" was invented by Di Che (Union, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical data receiver is configured for receiving optical signal comprising spectrally adjacent modulated subcarriers. The optical receiver includes an optical comb generator to output separate frequency tones, and a plurality of optical-to-electrical (OE) converters. The OE converters are configured to mix light of a plurality of the frequency tones with part of the received optical signal, and to...