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 20 of 305 for “"Quantum Computing"”.
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Quantum Computing from Graphs
… useful as a descriptive tool for additive quantum codes, they otherwise offer little guidance for concrete constructions or coding algorithm analysis. We introduce a representation of stabilizer codes as graphs with certain structures. Specifically, the graphs take a semi-bipartite form …
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Combinatorial optimization using quantum computing
This thesis explores quantum computing for combinatorial optimization through the Traveling Salesman Problem (TSP), which aims to find a minimum-cost Hamiltonian cycle visiting each city exactly once. Using Qiskit, we implement the Quantum Approximate Optimization Algorithm (QAOA) on both …
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OPEN-SOURCE MIDDLEWARE FOR QUANTUM COMPUTING
Quantum computing has the potential to greatly surpass classical computing for specific tasks. Despite the noise challenges in current quantum devices, NISQ (Noisy Intermediate-Scale Quantum) devices are becoming more accessible to research groups and institutions. To successfully deploy quantum …
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Using the qubus for quantum computing
In this thesis I explore using the qubus for quantum computing. The qubus is an architecture of quantum computing, where a continuous variable ancilla is used to generate operations between matter qubits. I concentrate on using the qubus for two purposes - quantum simulation, and generating cluster …
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Digital Quantum Computing for Many-Body Simulations
Abstract Iris The power of quantum computing lies in its ability to perform certain calculations and solve complex problems exponentially faster than classical computers. This potential has profound implications for a wide range of fields, including particle physics. This thesis lays a fundamental …
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Quantum computing for biophysical and optimization problems
The remarkable progress of quantum technologies over recent years has driven significant efforts toward developing algorithms with applications to a wide range of research fields. Beyond fully quantum algorithms — whose efficacy remains constrained by technological limitations — hybrid …
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Cybersecurity and Quantum Computing: friends or foes?
L'abstract è presente nell'allegato / the abstract is in the attachment
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Photon Sources for Linear Optical Quantum Computing
Quantum photonic technologies have many exciting applications including secure commu- nication, quantum enhanced measurement and quantum computing. Linear optical quantum computing (LOQC) is a technology of particular interest - especially given that recent progress in on-chip waveguide technology …
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Hadronic Structure with Classical and Quantum Computing
Calculations in lattice quantum chromodynamics (QCD) — presently the only known systematically improvable approach to describe the strong nuclear force in the nonperturbative regime from first principles — are playing an increasingly important role in revealing how hadrons emerge from the …
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THz Cryo-CMOS Link for Quantum Computing
… thesis, a terahertz (THz) cryo-CMOS link for quantum computing and other cryogenic applications is designed. This THz wireless link can efficiently deliver the control signals and data between room temperature and cryogenic environment. Its operation allows for a small antenna aperture size, …
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Second order error correction in quantum computing
… are necessary for the development of reliable quantum computers. Such codes can prevent the lost of information from decoherence caused by external perturbations. This thesis evaluates a five qubit code for correcting second order bit-flip errors. The code consists of encoding, decoherence, …
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Scalable Quantum Compilation Approaches For Reliable Quantum Computing
<p>Quantum computing has the potential to revolutionize various industries, from pharmaceuticals to finance and transportation. Unlike classical computers, quantum computers are based on the principles of quantum mechanics and can perform specific calculations exponentially faster than classical …
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Phase-noise limitations on nonlinear-optical quantum computing
… the long-sought-after goal of building optical quantum computers, we show that traditional approaches leveraging nonlinear-optical cross phase modulation (XPM) to construct the critical element, the cphase gate - a gate which seeks to impart a [pi]-radian phase shift on a single photon pulse, …
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Scalable trap technology for quantum computing with ions
Quantum computers employ quantum mechanical effects, such as superposition and entanglement, to process information in a distinctive way, with advantages for simulation and for new, and in some cases more-efficient algorithms. A quantum bit is a two-level quantum system, such as the electronic or …
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A general-purpose pulse sequencer for quantum computing
Quantum mechanics presents a more general and potentially more powerful model of computation than classical systems. Quantum bits have many physically different representations which nonetheless share a common need for modulating pulses of electromagnetic waves. This thesis presents the design and …
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Quantum Computing Based Image segmentation for Treatment Planning Applications
<p>The exponential advancement of quantum computing has led to its increasing integration into medical radiology. Quantum-inspired algorithms have helped accelerate magnetic resonance fingerprinting for possible applications in clinic settings. Numerous global initiatives are currently integrating …
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Engineering quantum computing technologies: from compact modelling to applications
L'abstract è presente nell'allegato / the abstract is in the attachment
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Quantum computing with naturally trapped sub-nanometre-spaced ions
… for the experimental realisation of a quantum mechanical controlled NOT gate in rare-earth-metal-ion-doped crystals. Small amounts of rare-earth elements, added during the growth of some inorganic crystals, will become substituted into the crystal lattice as trivalent ions. The …
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Contributions to Information-Based Complexity and to Quantum Computing
… studied in the literature. On the other hand the quantum computational model presents a promising alternative for dealing with multivariate problems. The idea of using quantum mechanics to simulate quantum physics was initially proposed by Feynman in 1982. Its potential was demonstrated by Shor's …
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