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Related papers: Efficient Photonic Graph State Generation

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Designing photonic circuits that prepare graph states with high fidelity and success probability is a central challenge in linear optical quantum computing. Existing approaches rely on hand-crafted designs or fusion-based assemblies. In the…

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…

Quantum Physics · Physics 2015-05-20 Daniel Ballester , Jaeyoon Cho , M. S. Kim

Probabilistic entangling measurements are key operations in linear-optical quantum technologies, enabling the generation and manipulation of high-dimensional quantum states. While prior research has focused predominantly on specific…

Quantum Physics · Physics 2026-02-17 A. A. Melkozerov , M. Yu. Saygin , S. S. Straupe

Entanglement is a powerful concept with an enormous potential for scientific and technological advances. A central focus in modern research is to extend the generation and control of entangled states from few to many qubits, and protect…

Quantum Physics · Physics 2024-06-04 Philip Thomas , Leonardo Ruscio , Olivier Morin , Gerhard Rempe

We introduce schemes for linear-optical quantum state generation. A quantum state generator is a device that prepares a desired quantum state using product inputs from photon sources, linear-optical networks, and postselection using photon…

Quantum Physics · Physics 2009-11-13 N. M. VanMeter , P. Lougovski , D. B. Uskov , K. Kieling , J. Eisert , Jonathan P. Dowling

All-photonic quantum repeater is not yet commercially applicable due to difficulty in the generation of repeater graph states (RGS) and the probabilistic nature of Bell-state measurement. In recent years, several deterministic protocols…

Quantum Physics · Physics 2019-03-29 Ming Lai Chan

Multidimensional photonic graph states, such as cluster states, have prospective applications in quantum metrology, secure quantum communication, and measurement-based quantum computation. However, to date, generation of multidimensional…

Quantum Physics · Physics 2022-06-22 Vinicius S. Ferreira , Gihwan Kim , Andreas Butler , Hannes Pichler , Oskar Painter

GraphiQ is a versatile open-source framework for designing photonic graph state generation schemes, with a particular emphasis on photon-emitter hybrid circuits. Built in Python, GraphiQ consists of a suite of design tools, including…

Graph states are a special kind of multiparticle entangled state with great potential for applications in quantum information technologies, especially in measurement-based quantum computers. These states cause significant reductions of the…

Superconductivity · Physics 2015-05-13 Toshiyuki Fujii , Masaru Fukunaga , Noriyuki Hatakenaka

Graph generation is an important area in network science. Traditional approaches focus on replicating specific properties of real-world graphs, such as small diameters or power-law degree distributions. Recent advancements in deep learning,…

Social and Information Networks · Computer Science 2025-07-04 Rodrigo Tuna , Carlos Soares

Graph states are special kinds of multipartite entangled states that correspond to mathematical graphs where the vertices take the role of quantum spin systems and the edges represent interactions. They not only provide an efficient model…

Future quantum computers require a scalable architecture on a scalable technology---one that supports millions of high-performance components. Measurement-based protocols, based on graph states, represent the state of the art in…

Graph states are key resources for measurement-based quantum computing, which is particularly promising for photonic systems. Fusions are probabilistic Bell state measurements, measuring pairs of parity operators of two qubits. Fusions can…

Quantum Physics · Physics 2025-07-21 Matthias C. Löbl , Love A. Pettersson , Stefano Paesani , Anders S. Sørensen

We report on theoretical research in photonic cluster-state computing. Finding optimal schemes of generating non-classical photonic states is of critical importance for this field as physically implementable photon-photon entangling…

Quantum Physics · Physics 2013-07-04 D. B. Uskov , P. M. Alsing , M. L. Fanto , L. Kaplan , A. M. Smith

Large, multi-dimensional clusters of entangled photons are among the most powerful resources for emerging quantum technologies, as they are predicted to enable global quantum networks or universal quantum computation. Here, we propose an…

Quantum Physics · Physics 2025-10-28 Jacob Ewaniuk , Bhavin J. Shastri , Nir Rotenberg

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 Physics · Physics 2019-05-14 Antonio Russo , Edwin Barnes , Sophia E. Economou

Hybrid bosonic codes combining bosonic codes with photon states offer a promising pathway for fault-tolerant quantum computation. However, the efficient generation of such states in optical setups remains technically challenging due to the…

Quantum Physics · Physics 2026-03-23 Shohei Kiryu , Yohji Chin , Masahiro Takeoka , Kosuke Fukui

Scalable graph states are essential for measurement-based quantum computation and many entanglement-assisted applications in quantum technologies. Generation of these multipartite entangled states requires a controllable and efficient…

Quantum Physics · Physics 2024-03-25 C. -H. Chien , S. Goswami , C. -C. Wu , W. -S. Hiew , Y. -C. Chen , H. H. Jen

We propose the use of collective states of matter as a resource for the deterministic generation of quantum states of light, which are fundamental for quantum information technologies. Our minimal model consists of three emitters coupled to…

Quantum Physics · Physics 2025-08-26 Oriol Rubies-Bigorda , Stuart J. Masson , Susanne F. Yelin , Ana Asenjo-Garcia

Using a graph approach to quantum systems, we prove that descriptions of 3-dim Kochen-Specker (KS) setups as well as descriptions of 3-dim spin systems by means of Greechie lattices that we find in the literature are wrong. Correct lattices…

Quantum Physics · Physics 2010-10-13 Mladen Pavicic , Brendan D. McKay , Norman D. Megill , Kresimir Fresl