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Photonic Cluster States Generated at Room Temps for Quantum Computation

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To observe quantum phenomena on a macroscopic scale, researchers at the Center for Macroscopic Quantum States (bigQ) and the Technical University of Denmark (DTU) created an extremely entangled quantum state, called a cluster state. The team’s scalable scheme for the generation of photonic cluster states could be suitable for universal measurement-based quantum computation. The researchers used temporal multiplexing of squeezed light modes, delay loops, and beamsplitter transformations to generate a cylindrical cluster state with a topological structure, as required for universal...Read full article

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    Published: November 2019
    Glossary
    quantum
    The term quantum refers to the fundamental unit or discrete amount of a physical quantity involved in interactions at the atomic and subatomic scales. It originates from quantum theory, a branch of physics that emerged in the early 20th century to explain phenomena observed on very small scales, where classical physics fails to provide accurate explanations. In the context of quantum theory, several key concepts are associated with the term quantum: Quantum mechanics: This is the branch of...
    quantum entanglement
    Quantum entanglement is a phenomenon in quantum mechanics where two or more particles become correlated to such an extent that the state of one particle instantly influences the state of the other(s), regardless of the distance separating them. This means that the properties of each particle, such as position, momentum, spin, or polarization, are interdependent in a way that classical physics cannot explain. When particles become entangled, their individual quantum states become inseparable,...
    Research & TechnologyeducationEuropeTechnical University of DenmarkLight Sourcesquantumphotonic cluster statesquantum entanglementoptical quantum computingtopological materials2D materialssqueezed lightTech Pulse

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