Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 12 of 12 for “"Cluster States"”.
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Measurement-based quantum computation with cluster states
… on a highly entangled multi-particle state, the cluster state. We prove universality of the QCc, describe the underlying computational model and demonstrate that the QCc can be operated fault-tolerantly. In Chapter 2 we show that the QCc can be regarded as a simulator of quantum logic networks. …
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Using the qubus for quantum computing
… purposes - quantum simulation, and generating cluster states. Quantum simulation is the idea of using a quantum computer to simulate a quantum system. I focus on conducting a simulation of the BCS Hamiltonian. I demonstrate how to perform the necessary two qubit operations in a controlled …
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Photonic integration of electron-nuclear spin systems in semiconductor quantum dots
… on the measurement of multidimensional photonic cluster states. These are states of highly entangled photons, which can be generated using the light-matter interface of an electron and the nuclear spins within an optically active QD. Here we integrate the electron-nuclear spin system of a …
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Group-IV Colour Centres in Diamond for Multi-Photon Entangled State Generation
… and the generation of highly entangled states. Over the last 5 years, particular interest has been given to the group-IV colour centres in diamond for their attractive optical properties, long spin coherence times and access to long lived nuclear memories. These properties put group-IV …
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Application of quantum walks on graph structures to quantum computing
… introduce an experimental scheme for generating cluster states, a universal resource for quantum computation. We give an explicit construction which provides a link between the circuit model of quantum computation, and a graph structure on which the discrete time quantum walk traverses, …
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Cluster-state creation in liquid-state NMR
… is devoted to a class of multiparticle entangled states known as the cluster-states. In particular, we focused on a system of four spins and studied the entanglement properties of a four-qubit cluster-state, using a set of entanglement measures for quantifying multipartite entanglement. We then …
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A scalable quantum computation platform : solid state quantum memories coupled to photonic integrated circuits
… rate, allowing the creation and maintenance of cluster states for quantum computation.
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Coherent Interaction Between Laser Photons and Single Spins in InAs Quantum Dots
… emerging quantum technology applications such as cluster states. Initially, the experimental concepts and techniques required for coherent spin control are demonstrated using the well-established platform of 900 nm InAs/GaAs quantum dots embedded in semiconductor micropillar cavities. In the first …
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Tensor factorization in civil infrastructure systems
… done. Analysis tasks may include classification, clustering, regression and exploratory analysis. These are generally done with the aim of gaining in-depth knowledge about civil infrastructure systems that will be the basis of planning and future decision-making. However, data generated from civil …
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Modern Electronic Structure Theory using Tensor Product States
… cases, the Hilbert space can be partitioned into clusters on the basis of strong and weak interactions. In this work, we mainly focus on an approach where we partition the system into smaller orbital clusters in which we can define many-particle cluster states and use traditional many-body methods …
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Quantum Information Processing with Continuous Variables and Atomic Ensembles
… mechanism for generation of the so-called cluster states in a single step. The entangling protocol requires nearly identical single-photon sources, one ultra-cold ensemble per physical qubit, and regular photo detectors. This procedure is significantly more efficient than any known robust …
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Investigation of efficient spin-photon interfaces for the realisation of quantum networks
… between distant nodes. The two ground states of single spins confined in self-assembled InGaAs quantum dots provide an effective two-level system for the implementation of quantum bits. Moreover, they offer strong transition dipole moments with outstanding photonic properties allowing …