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February 09, 2021 Tuesday 01:10:35 PM IST

Step Closer to Quantum Internet

International Edu News

Fermi National Accelerator Laboratory affiliated with the University of Chicago along with five institutions have demonstrated long-distance teleportation of qubits made of photons (particles of light) to move closer to a quantum internet. The was done over a fiber-optic network 44 km long using state-of-the-art single-photon detectors, as well as off-the-shelf equipment. The fidelity achieved was close to 90%. The quantum teleportation of a qubit is achieved using quantum entanglement, in which two or more particles are inextricably linked to each other. If an entangled pair of particles is shared between two separate locations, no matter the distance between them, the encoded information is teleported. The scientists said that this demonstration lays the foundation for the construction of a Chicago-area metropolitan quantum network and also redefines how we conduct global communication.