Extracting perfect GHZ states from imperfect weighted graph states via entanglement concentration
arXiv:2203.07210 · doi:10.1103/PhysRevResearch.5.023124
Abstract
Photonic GHZ states serve as the central resource for a number of important applications in quantum information science, including secret sharing, sensing, and fusion-based quantum computing. The use of photon-emitter entangling gates is a promising approach to creating these states that sidesteps many of the difficulties associated with intrinsically probabilistic methods based on linear optics. However, the efficient creation of high-fidelity GHZ states of many photons remains an outstanding challenge due to both coherent and incoherent errors during the generation process. Here, we propose an entanglement concentration protocol that is capable of generating perfect GHZ states using only local gates and measurements on imperfect weighted graph states. We show that our protocol is both efficient and robust to incoherent noise errors.
arXiv comment11 pages, 8 figures
References in corpus (73)
- Quantum entanglement
- Mixed State Entanglement and Quantum Error Correction
- Quantum sensing
- Quantum secret sharing
- Concentrating Partial Entanglement by Local Operations
- Review article: Linear optical quantum computing
- Entanglement of a Pair of Quantum Bits
- Multi-party entanglement in graph states
- Scalable photonic quantum computation through cavity-assisted interaction
- Resource-efficient linear optical quantum computation
- Experimental entanglement of six photons in graph states
- All photonic quantum repeaters
- A bright and fast source of coherent single photons
- Deterministic Generation of a Cluster State of Entangled Photons
- Purification via entanglement swapping and conserved entanglement
- Experimental demonstration of a hyper-entangled ten-qubit Schrödinger cat state
- Sequential generation of entangled multi-qubit states
- A photonic cluster state machine gun
- Entanglement purification and quantum error correction
- Nonlocal entanglement concentration scheme for partially entangled multipartite systems with nonlinear optics
- Efficient single-photon-assisted entanglement concentration for partially entangled photon pairs
- Experimental Realization of Entanglement Concentration and A Quantum Repeater
- Nonlinear quantum optics mediated by Rydberg interactions
- From three-photon GHZ states to ballistic universal quantum computation
- Multiparticle entanglement purification for graph states
- Loss tolerance in one-way quantum computation via counterfactual error correction
- Optimal nonlocal multipartite entanglement concentration based on projection measurements
- A single-photon switch and transistor enabled by a solid-state quantum memory
- Optical Phase Shift Created with a Single-Photon Pulse
- A quantum logic gate between a solid-state quantum bit and a photon
- Optimal entanglement purifying via entanglement swapping
- Photonic tensor networks produced by a single quantum emitter
- A quantum phase switch between a single solid-state spin and a photon
- Optically generated 2-dimensional photonic cluster state from coupled quantum dots
- A Photon-Photon Quantum Gate Based on Rydberg Interactions
- Experimental quantum repeater without quantum memory
- Bright Polarized Single-Photon Source Based on a Linear Dipole
- Multiparticle entanglement purification for two-colorable graph states
- Sequential Generation of Matrix-Product States in Cavity QED
- Sequential generation of linear cluster states from a single photon emitter
- Experimental demonstration of a graph state quantum error-correction code
- Resource costs for fault-tolerant linear optical quantum computing
- Deterministic generation of all-photonic quantum repeaters from solid-state emitters
- Quantum network routing and local complementation
- Optical nonlinearity for few-photon pulses on a quantum dot-pillar cavity device
- Graph States as a Resource for Quantum Metrology
- Effects of self-phase modulation on weak nonlinear optical quantum gates
- Scalable Generation of Graph-State Entanglement through Realistic Linear Optics
- Realizing a Deterministic Source of Multipartite-Entangled Photonic Qubits
- Universal and optimal error thresholds for measurement-based entanglement purification
- Deterministic generation of large-scale entangled photonic cluster state from interacting solid state emitters
- Entanglement purification protocols for all graph states
- Dynamical photon-photon interaction mediated by a quantum emitter
- Resource requirements for efficient quantum communication using all-photonic graph states generated from a few matter qubits
- Deterministic Generation of Loss-Tolerant Photonic Cluster States with a Single Quantum Emitter
- Schemes for quantum entanglement concentration of two unknown partially entangled states with cross-Kerr nonlinearity
- Hyperconcentration for multipartite entanglement via linear optics
- Direct measurement of concurrence for atomic two-qubit pure states
- Entanglement Concentration Using Quantum Statistics
- Generation of arbitrary all-photonic graph states from quantum emitters
- Photonic resource state generation from a minimal number of quantum emitters
- Concurrence Percolation in Quantum Networks
- All-photonic architectural roadmap for scalable quantum computing using Greenberger-Horne-Zeilinger states
- Multidimensional cluster states using a single spin-photon interface coupled strongly to an intrinsic nuclear register
- Conditional -Phase Shift of Single-Photon-Level Pulses at Room Temperature
- Efficient deterministic giant photon phase shift from a single charged quantum dot
- Verifying commuting quantum computations via fidelity estimation of weighted graph states
- Deterministic generation of multidimensional photonic cluster states using time-delay feedback
- A variational method based on weighted graph states
- Limitations of two-level emitters as non-linearities in two-photon controlled phase gates
- Photon phase shift at the few-photon level and optical switching by a quantum dot in a microcavity
- Random circuits by measurements on weighted graph states
- Practical scheme for non-postselection entanglement concentration using linear optical elements