US Patent Issued to POLITECNICO DI MILANO on Jan. 13 for "Quantum key distribution network and multifunctional node thereof" (Italian Inventor)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,526,133, issued on Jan. 13, was assigned to POLITECNICO DI MILANO (Milan).

"Quantum key distribution network and multifunctional node thereof" was invented by Mario Martinelli (Milan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A network for the distribution of a quantum key and a multifunctional node thereof. The network includes a source node, a single photon source, and a plurality of multifunctional nodes connected to the source node by respective optical communication channels. Each multifunctional node includes a transmitting unit, a polarization stabilizer connected to an optical input port to receive a photon transmitted by the source node, a ...