Multiphoton Graph States from a Solid-State Single-Photon Source
Sign Up to like & getrecommendations! Published in 2020 at "ACS Photonics"
DOI: 10.1021/acsphotonics.0c00192
Abstract: Photonic graph states are underlying resources for one-way optical quantum computation, quantum error correction, fundamental test of quantum mechanics, and quantum communication network. Most of e... read more here.
Keywords: solid state; graph states; states solid; multiphoton graph ... See more keywords
Fusion of deterministically generated photonic graph states
Sign Up to like & getrecommendations! Published in 2024 at "Nature"
DOI: 10.1038/s41586-024-07357-5
Abstract: Entanglement has evolved from an enigmatic concept of quantum physics to a key ingredient of quantum technology. It explains correlations between measurement outcomes that contradict classical physics and has been widely explored with small sets… read more here.
Keywords: graph states; fusion deterministically; deterministically generated; quantum ... See more keywords
Hardware-efficient preparation of architecture-specific graph states on near-term quantum computers
Sign Up to like & getrecommendations! Published in 2024 at "Scientific Reports"
DOI: 10.1038/s41598-024-82715-x
Abstract: Highly entangled quantum states are an ingredient in numerous applications in quantum computing. However, preparing these highly entangled quantum states on currently available quantum computers at high fidelity is limited by ubiquitous errors. Besides improving… read more here.
Keywords: graph states; preparation; state; quantum computers ... See more keywords
Generation of arbitrary all-photonic graph states from quantum emitters
Sign Up to like & getrecommendations! Published in 2019 at "New Journal of Physics"
DOI: 10.1088/1367-2630/ab193d
Abstract: We present protocols to generate arbitrary photonic graph states from quantum emitters that are in principle deterministic. We focus primarily on two-dimensional cluster states of arbitrary size due to their importance for measurement-based quantum computing.… read more here.
Keywords: graph states; photonic graph; arbitrary photonic; states quantum ... See more keywords
Multipartite Gaussian entanglement measure with applications to graph states and bosonic field theory
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Physics A: Mathematical and Theoretical"
DOI: 10.1088/1751-8121/ae21a9
Abstract: Computationally feasible multipartite entanglement measures are essential for advancing our understanding of complex quantum systems. Entanglement distance (ED), introduced by Cocchiarella et al (2020 Phys. Rev. A 101 042129), based on the Fubini–Study metric, offers… read more here.
Keywords: field; graph states; gaussian entanglement; entanglement ... See more keywords
Distributing graph states over arbitrary quantum networks
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review A"
DOI: 10.1103/physreva.100.052333
Abstract: Multipartite entangled states are great resources for quantum networks. In this work, we study the distribution, or routing, of entangled states over fixed, but arbitrary, physical networks. Our simplified model represents each use of a… read more here.
Keywords: distributing graph; graph states; arbitrary quantum; quantum networks ... See more keywords
Topological graph states and quantum error-correction codes
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review A"
DOI: 10.1103/physreva.105.042418
Abstract: Deciding if a given family of quantum states is topologically ordered is an important but nontrivial problem in condensed matter physics and quantum information theory. We derive necessary and sufficient conditions for a family of… read more here.
Keywords: graph states; correction codes; error correction; quantum error ... See more keywords
Scaling of computational order parameters in Rydberg-atom graph states
Sign Up to like & getrecommendations! Published in 2024 at "Physical Review A"
DOI: 10.1103/physreva.111.042617
Abstract: Graph states are computationally powerful quantum states with many applications including use as resource states for measurement-based quantum computing (MBQC). We demonstrate construction of graph states on a Rydberg atom quantum analogue simulator. We show… read more here.
Keywords: order parameters; rydberg atom; computational order; graph states ... See more keywords
Local equivalence of complete bipartite and repeater graph states
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review A"
DOI: 10.1103/physreva.98.032305
Abstract: Classifying locally equivalent graph states, and stabilizer states more broadly, is a significant problem in the theories of quantum information and multipartite entanglement. A special focus is given to those graph states for which equivalence… read more here.
Keywords: graph states; graph; complete bipartite; local equivalence ... See more keywords
Scalable Bell Inequalities for Qubit Graph States and Robust Self-Testing.
Sign Up to like & getrecommendations! Published in 2020 at "Physical review letters"
DOI: 10.1103/physrevlett.124.020402
Abstract: Bell inequalities constitute a key tool in quantum information theory: they not only allow one to reveal nonlocality in composite quantum systems, but, more importantly, they can be used to certify relevant properties thereof. We… read more here.
Keywords: scalable bell; bell inequalities; graph states; self testing ... See more keywords
Quantum-Memory-Enhanced Preparation of Nonlocal Graph States.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.128.080501
Abstract: Graph states are an important class of multipartite entangled states. Previous experimental generation of graph states and in particular the Greenberger-Horne-Zeilinger (GHZ) states in linear optics quantum information schemes is subjected to an exponential decay… read more here.
Keywords: entangled states; enhanced preparation; memory enhanced; graph ... See more keywords