Scientists realize quantum teleportation to photonic chip




The main circuits to perform quantum teleportation, the circuits that generate quantum entanglement and observe, by an international team of scientists assembled on a photonic chip.

photo photon chip chip That writes the University of Bristol on his site. Photons seem to be a good way to implement the use of qubits. One of the main tasks is to enable quantum teleportation in which the state transitions from a qubit from one photon to another.

Lead researcher Akira Furusawa achieved in 2013 good results with quantum teleportation, but the set-up then covered several square meters, something scalability not benefited. Bristol he managed to implement optical circuits on a silicon microchip of only a few square millimeters. According to the university, it is the first time that quantum teleportation has been demonstrated on a silicon chip, which allows the problem of scalability is addressed.

Effectuate quantum teleportation in microchip format is important to be able to apply practical quantum technologies, especially in the field of encryption. The full paper is in Nature Photonics find .


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