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Pasini, M. (author)A large-scale quantum network, where many nodes are connected via entanglement and can share and process quantum information, will allow applications that are now unattainable. While some are known, ranging from distributed quantum computing to enhanced quantum sensing and quantum communication, the full potential of such a fundamentally new...doctoral thesis 2024
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Vardoyan, G.S. (author), van Milligen, Emily (author), Guha, Saikat (author), Wehner, S.D.C. (author), Towsley, Don (author)We consider the problem of multipath entanglement distribution to a pair of nodes in a quantum network consisting of devices with nondeterministic entanglement swapping capabilities. Multipath entanglement distribution enables a network to establish end-to-end entangled links across any number of available paths with preestablished link-level...journal article 2024
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Horta Ferreira da Silva, F. (author)The future quantum internet promises to enable users all around the world to, among other applications, generate shared secure keys and perform distributed quantum computations. To do so, entanglement must be distributed between remote users. One way of doing this is by sending photons through optical fiber, which allows for reusing some...doctoral 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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Dekeling, Casper (author)In the development of any new technology, it is essential to have methods to assess the quality of a system, to compare different systems to one another, and to compare different versions of the same system, to see if changes to the system can actually be classified as improvements. For quantum networks, this is no different. To further develop...bachelor thesis 2023
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Chopra, Arnav (author)Quantum networks provide numerous potential benefits over classical networks, such as enhanced security and faster computation, making their further development a lucrative prospect. As is the case with any technology, the advancement of quantum networks relies on the development of frameworks to test their quality, and compare different...bachelor thesis 2023
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MALIAPPIS, THOMAS (author)The rapid advancement of Quantum Network architectures necessitates a comprehensive and quantitative comparison to assess their effectiveness and performance. Unfortunately, there does not exist an implemented quantum network benchmark suite capable of determining the superior architecture. Hence, our study aims to establish the foundation for...bachelor thesis 2023
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Delle Donne, C. (author)Computer networks have been one of the most revolutionary concepts and technologies of the last fifty years. Currently, it is arguably impossible to imagine a world without the internet. And yet, just five decades ago, hardly anybody knew what it even meant. Today, the first quantum computer networks are starting to take shape, along with the...doctoral thesis 2023
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Dijksman, Calvin (author)The distribution of multiple entangled pairs plays a vital role in various applications, such as quantum metrology, blind quantum computing, quantum key distribution, and quantum teleportation. While qubit-based protocols exist, they are often limited by short coherence times in quantum memories and the need for individual pair generation,...master thesis 2023
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Jirovská, Hana (author)The goal of quantum application scheduling is to enable the execution of applications on a quantum network. As the final step in the application scheduling process, program scheduling locally schedules execution of blocks of instructions on each node by defining so-called node schedules. In this thesis, we present a formal definition of program...master thesis 2023
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Avis, G. (author)The future quantum internet promises to create shared quantum entanglement between any two points on Earth, enabling applications such as provably-secure communication and connecting quantum computers. A popular method for distributing entanglement is by sending entangled photons through optical fiber. However, the probability of successful...doctoral thesis 2023
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Talsma, Lars (author)Quantum computers can solve certain problems faster than classical computers, but they require many qubits to solve valuable problems. Distributed quantum computing provides a scalable approach to increasing the number of qubits by interconnecting small-capacity quantum devices, or quantum nodes. Entangled states shared between nodes, so-called...master thesis 2023
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Vardoyan, G.S. (author), Wehner, S.D.C. (author)Network Utility Maximization (NUM) is a mathe-matical framework that has endowed researchers with powerful methods for designing and analyzing classical communication protocols. NUM has also enabled the development of distributed algorithms for solving the resource allocation problem, while at the same time providing certain guarantees, e.g.,...conference paper 2023
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Gauthier, S.S. (author), Vardoyan, G.S. (author), Wehner, S.D.C. (author)Entanglement between quantum network nodes is often produced using intermediary devices - such as heralding stations - as a resource. When scaling quantum networks to many nodes, requiring a dedicated intermediary device for every pair of nodes introduces high costs. Here, we propose a cost-effective architecture to connect many quantum...journal article 2023
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Hermans, S.L.N. (author), Pompili, M. (author), Dos Santos Martins, L. (author), Rodriguez-Pardo Montblanch, A. (author), Beukers, H.K.C. (author), Baier, S. (author), Borregaard, J. (author), Hanson, R. (author)The generation of entanglement between remote matter qubits has developed into a key capability for fundamental investigations as well as for emerging quantum technologies. In the single-photon, protocol entanglement is heralded by generation of qubit-photon entangled states and subsequent detection of a single photon behind a beam splitter....journal article 2023
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Brand, Sebastiaan (author), Coopmans, T.J. (author), Elkouss Coronas, D. (author), Li, Boxi (author)The vision of a global network that enables quantum communications between any point on Earth is known as the quantum internet. One crucial element of this network is the use of quantum repeater chains, which have the potential to overcome transmission losses and implement entanglement or quantum key distribution protocols over extended...conference paper 2023
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Fan, Zhi Yuan (author), Qiu, Liu (author), Groeblacher, S. (author), Li, Jie (author)Microwave-optics entanglement is a vital component for building hybrid quantum networks. Here, a new mechanism for preparing stationary entanglement between microwave and optical cavity fields in a cavity optomagnomechanical system is proposed. It consists of a magnon mode in a ferrimagnetic crystal that couples directly to a microwave cavity...journal article 2023
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de Kluijver, Lisa (author)Throughout the work, the goal was to develop the physical layer of a quantum network stack. The layer of the network stack connected to the physical layer is the link layer. For entanglement-based quantum networks, we demonstrated the successful operation of a link layer and a physical layer. The physical layer’s entanglement generation...master thesis 2022
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Ubbens, Otmar (author)Crucial to the behaviour of a Nitrogen-Vacancy (NV) centre are its excited state cyclicities, determining the ability to perform high fidelity readout, spin-photon entanglement generation or fast spinpumping. This work presents a unified model to predict these excited state cyclicities over a wide range of strain, electric field, magnetic field...master thesis 2022
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Abrahams, Joël (author)Quantum networks allow multiple devices to exchange information encoded within quantum systems.<br/>Such quantum networks use classical control messages to coordinate entanglement between nodes.<br/>Third parties which can forge such control messages may interfere with the workings of quantum links, however:<br/>They may either perform...master thesis 2022