Generation of graph-state streams
arXiv:1012.1778 · doi:10.1103/PhysRevA.83.010302
Abstract
We propose a protocol to generate a stream of mobile qubits in a graph state through a single stationary parent qubit and discuss two types of its physical implementation, namely, the generation of photonic graph states through an atom-like qubit and those of flying atoms through a cavity-mode photonic qubit. The generated graph states fall into an important class that can hugely reduce the resource requirement of fault-tolerant linear optics quantum computation, which was previously known to be far from realistic. In regard to the flying atoms, we also propose a heralded generation scheme, which allows for high-fidelity graph states even under the photon loss.
Accepted for publication at PRA Rapid Communications
References in corpus (13)
- The Quantum Internet
- Resource-efficient linear optical quantum computation
- High-speed linear optics quantum computing using active feed-forward
- Detecting Genuine Multipartite Entanglement with Two Local Measurements
- A photonic cluster state machine gun
- Quantum information processing with a single photon by input-output process regarding low-Q cavities
- Cooling to the Ground State of Axial Motion for One Atom Strongly Coupled to an Optical Cavity
- Photon-Photon Entanglement with a Single Trapped Atom
- Potential and limits to cluster state quantum computing using probabilistic gates
- Scalable cavity-QED-based scheme of generating entanglement of atoms and of cavity fields
- Atomic cluster state build up with macroscopic heralding
- Linear optical scheme to demonstrate genuine multipartite entanglement for single-particle W states
- Fault-tolerant linear optics quantum computation by error-detecting quantum state transfer