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Weber, Martijn (author)The market of quantum computing is growing rapidly due to the rising demand of high-performance computing. By combining quantum theory and computer science, quantum computing shows great promise for future application in fields like algorithms, cryptography, machine learning and quantum simulation. Current breakthroughs in quantum technology and...master thesis 2023
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van Loevezijn, Wout (author)Benchmarks for quantum network systems currently are an underrepresented subject in the research field. This paper evaluates how informative a distributed CNOT gate application is, in recognizing errors in the total quantum system. The goal is to decide whether it should be included as a benchmark in a newly developed benchmark suite for quantum...bachelor thesis 2023
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Dreef, Matti (author)Quantum computing is a promising means of satisfying the ever-increasing need for more and faster computations. While some specific applications can already benefit from quantum computing today, a large-scale general-purpose quantum computer is yet to be developed. Many different technologies are being explored to reach this goal, color centers...master thesis 2023
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Damsteegt, Rob (author)Scalable universal quantum computers require classical control hardware, physically close to the quantum devices at cryogenic temperatures. Such classical controllers need digital memory for various applications, ranging from high-speed queues to high-speed and low-speed lookup tables and working memory. The power consumption of the memories...master thesis 2022
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Vos, David (author)Quantum computing is an emerging field with many promising future applications. <br/>These include, but are not limited to, quantum machine learning, quantum cryptography and quantum chemical engineering.<br/><br/>Before these can be realised, obstacles, which arise due to scaling, need to be overcome.<br/>To accomplish this, quantum processors...bachelor thesis 2022
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Veen, Martijn (author)This report introduces a customized software tool to enable automation of optical inspection optical and SEM images of a superconducting quantum processor during its fabrication. This is achieved by implementing image processing algorithms using the Python package OpenCV. This suite consist of three components; pyclq_base, pyclq_jj, pyclq_ab....bachelor thesis 2021
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van der Meer, Tim (author)The rapid progress quantum devices have made in recent years has led to the need for systems that bridge the gap between quantum algorithms and quantum hardware. To this purpose different full-stack quantum programming platforms have been developed, providing high level languages for expressing quantum algorithms and providing compilers for...master thesis 2021
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Basili, Stefanos (author)Quantum-limited parametric amplifiers have become increasingly interesting and relevant with the progressing field of quantum computing. However, currently it is still challenging to fabricate these complex devices. In this thesis, we developed cross type Josephson junctions (JJs), lumped element LC resonators, lumped element Josephson...master thesis 2020
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van Houte, Roy (author)Quantum coin flipping is a cryptographic primitive in which two or more parties that do not trust each other want establish a fair coin flip. These parties are not physically near each other and use quantum communication channels to interact. A quality of protocols is measured by the best possible cheating strategy, which is the solution of a...master thesis 2020
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Ubbens, Otmar (author)With the rapid development of Quantum Computers (QC) and QC Simulators, there will be an increased demand for functioning Quantum Algorithms in the near future. Some of the most ubiquitously useful algorithms are solvers for linear systems of equations. Since the conception of the Quantum Linear Solver Algorithm (QLSA) by Harrow, Hassidim and...bachelor thesis 2019
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Vaal, Elmore (author)Superconducting-normalconducting-superconducting (SNS) transmons with 2-facet Al-shell nanowires are qubits compatible with magnetic fields above 10 mT. There are important correlations of the room temperature nanowire resistance with the chance of the qubit being measurable: at a resistance of 2−3 kΩ, the qubit is almost guaranteed to work. The...master thesis 2019
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Driebergen, Tim (author)Currently there are no efficient quantum algorithms for the addition of real-valued numbers. In classical computers addition is performed by using barrel shifters, a concept proven to be very inefficient as a quantum circuit due to its many garbage outputs when the barrel shifter is made reversible. This thesis aims to design a quantum algorithm...bachelor thesis 2019
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Schriek, Edwin (author)With the advances towards a quantum computer incorporating many qubits, the demand for a scalable readout and control platform rises. Recent proposals for such a platform exploit the maturity of CMOS technology, to implement the various analog, RF and digital circuits required. To allow for scaling, the electronics that constitute this platform...master thesis 2018
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Cornelissen, Arjan (author)In 2005, Jordan showed how to estimate the gradient of a real-valued function with a high-dimensional domain on a quantum computer. Subsequently, in 2017, it was shown by Gilyén et al. how to do this with a different input model. They also proved optimality of their algorithm for \ell^\infty -approximations of functions satisfying some...master thesis 2018
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Looman, Menno (author)In this project, an positive integer addition algorithm for quantum computing is analyzed which does not makes use of carry bits. The paper shows a general parallelization method. Using this method, the circuit runs in O(n) time instead of O(n^2). The algorithm is executed with different input sizes and error rates such that usable values are...bachelor thesis 2018
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Villaseñor Alvarez, Eduardo (author)There are still great hurdles to overcome in the construction of a practical quantum computer. Most significantly, there is still great need for less noisy operation devices and the ability to scale the computer into hundreds or thousands of qubits. In this work we study a approach to construct a practical quantum computer which is fundamentally...master thesis 2018
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Vollmer, René (author)In this work, the addition of a filtering resonator to protect against Purcell decay in the surface code implementation presented in [R. Versluis et al., 2017, Phys. Rev. Applied] is investigated.The requirements on single- and two-qubit gate operation as well as readout is outlined. We model the system with differential equations to optimize...master thesis 2018
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van der Lans, Mike (author)Quantum computation is becoming an increasingly interesting field, especially with the rise of real quantum computers. However, current quantum processors contain a few tens of error-prone qubits and the realization of large-scale quantum computers is still very challenging. Therefore, quantum computer simulators are particularly suitable for...bachelor thesis 2018
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Dirkse, Bas (author)This thesis provides an overview of the standard randomized benchmarking protocol, the extension to interleaved randomized benchmarking and the related unitarity randomized benchmarking, used to characterize noisy implementations of quantum gates from the Clifford group. It contains a brief overview of the textbook and literature preliminaries...master thesis 2017
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Wesdorp, Jaap (author)We generate entanglement between two transmon qubits each coupled to a readout resonator and located on different chips via engineering a half-parity measurement. This measurement does not distinguish |01> from |10>, thus if started in an initial full twoqubit superposition it will project the qubits to an odd Bell state 50% of the time....master thesis 2017
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