Coherent quantum information transfer between conventional qubits


Ontology type: sgo:Patent     


Patent Info

DATE

N/A

AUTHORS

Parsa Bonderson , Roman M. Lutchyn

ABSTRACT

Computing bus devices that enable quantum information to be coherently transferred between conventional qubit pairs are disclosed. A concrete realization of such a quantum bus acting between conventional semiconductor double quantum dot qubits is described. The disclosed device measures the joint (fermion) parity of the two qubits by using the Aharonov-Casher effect in conjunction with an ancillary superconducting flux qubit that facilitates the measurement. Such a parity measurement, together with the ability to apply Hadamard gates to the two qubits, allows for the production of states in which the qubits are maximally entangled, and for teleporting quantum states between the quantum systems. More... »

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