Strong entanglement distribution of quantum networks

Functional quantum nodes for entanglement distribution over scalable quantum networks.

We demonstrated entanglement distribution between two remote quantum nodes located 3 meters apart. This distribution involves the asynchronous preparation of two pairs of atomic memories and the coherent mapping of stored atomic states into light fields in an effective state of near-maximum polarization entanglement. Entanglement is verified by way of the measured violation of a Bell inequality...

Distribution of entanglement in large-scale quantum networks.

The concentration and distribution of quantum entanglement is an essential ingredient in emerging quantum information technologies. Much theoretical and experimental effort has been expended in understanding how to distribute entanglement in one-dimensional networks. However, as experimental techniques in quantum communication develop, protocols for multi-dimensional systems become essential. H...

Entanglement and Quantum Key Distribution

Entanglement in quantum mechanics refers to particles whose individual states cannot be written without reference to the state of other particles. Such states are said to be non-separable, and measurements of the state of one entangled particle alter the state of all entangled particles. This unusual phenomena has applications in quantum teleportation, superdense coding, and various other appli...

Quantum information distribution via entanglement

In the quantum teleportation scheme [1], quantum information of an unknown state of a d-level particle (an “input” particle) is faithfully transmitted from a sender (Alice) to a remote receiver (Bob) via an initially shared pair of maximally entangled particles. The distributed entangled particles shared by Alice and Bob function as a quantum information channel for the faithful transmission. Q...

Neural Networks and Quantum Entanglement