Quantum computing methods and systems are described. A computing device receives an
encrypted state from another device. The encrypted state is stored on a quantum register …

Quantum network devices, systems, and methods are provided to enable long-distance
transmission of quantum bits (qubits) for applications such as Quantum Key Distribution …

(57) ABSTRACT A system and method for controlling qubits to perform quantum
computation is provided. In some aspects, the system includes at least one superconducting …

(54) METHODS OF INCREASING FIDELITY OF 7,230,266 B2 6/2007 Hilton et al.
QUANTUM OPERATIONS 7.307, 275 B2* 12/2007 Lidar et al....................... 257/31 7,451.292 …

A quantum mechanical synchronization system for a classical distributed computing system.
Einstein-Podolsky-Rosen links are established providing entangled photons to provide the …

Aspects of the subject disclosure may include, for example, determining a multi-bit value,
adjusting an orbital angular momentum of a photon according to the multi-bit value, and …

A method is provided of creating an end-to-endentanglement (89) between qubits in first and
second end nodes (81L, 81R) of a chain of optically-coupled nodes whose intermediate …

A technique relates to communication of a quantum state. Polarization hardware is
configured to receive a polarization encoded qubit and split the polarization encoded qubit …

An iterative method is provided for progressively building an end-to-end entanglement
between qubits in first and second end nodes (91, 92) of a chain of nodes whose …

A single cell apparatus and method for single ion addressing are described herein. One
apparatus includes a single cell configured to set a frequency, intensity, and a polarization of …