275 citations · 860 across the 18 of their papers we have counts for
19 papers
Optimising entanglement distribution policies under classical communication constraints assisted by reinforcement learning
Jan Li, Tim Coopmans, Patrick Emonts +3
Quantum repeaters play a crucial role in the effective distribution of entanglement over long distances. The nearest-future type of quantum repeater requires two operations: entang…
Advancing Quantum Computing with Formal Methods
Arend-Jan Quist, Jingyi Mei, Tim Coopmans +1
This tutorial introduces quantum computing with a focus on the applicability of formal methods in this relatively new domain. We describe quantum circuits and convey an understandi…
On noise in swap ASAP repeater chains: exact analytics, distributions and tight approximations
Kenneth Goodenough, Tim Coopmans, Don Towsley
Losses are one of the main bottlenecks for the distribution of entanglement in quantum networks, which can be overcome by the implementation of quantum repeaters. The most basic fo…
Equivalence Checking of Quantum Circuits by Model Counting
Jingyi Mei, Tim Coopmans, Marcello Bonsangue +1
Verifying equivalence between two quantum circuits is a hard problem, that is nonetheless crucial in compiling and optimizing quantum algorithms for real-world devices. This paper…
A Knowledge Compilation Map for Quantum Information
Lieuwe Vinkhuijzen, Tim Coopmans, Alfons Laarman
Quantum computing is finding promising applications in optimization, machine learning and physics, leading to the development of various models for representing quantum information…
Quantum Graph-State Synthesis with SAT
Sebastiaan Brand, Tim Coopmans, Alfons Laarman
In quantum computing and quantum information processing, graph states are a specific type of quantum states which are commonly used in quantum networking and quantum error correcti…
Fast equivalence checking of quantum circuits of Clifford gates
Dimitrios Thanos, Tim Coopmans, Alfons Laarman
Checking whether two quantum circuits are equivalent is important for the design and optimization of quantum-computer applications with real-world devices. We consider quantum circ…
Connecting Quantum Cities: Simulation of a Satellite-Based Quantum Network
Raja Yehia, Matteo Schiavon, Valentina Marulanda Acosta +4
We present and analyse an architecture for a European-scale quantum network using satellite links to connect Quantum Cities, which are metropolitan quantum networks with minimal ha…
Aging and Reliability of Quantum Networks
Lisa T. Weinbrenner, Lina Vandré, Tim Coopmans +1
Quantum information science may lead to technological breakthroughs in computing, cryptography and sensing. For the implementation of these tasks, however, complex devices with man…
Requirements for a processing-node quantum repeater on a real-world fiber grid
Guus Avis, Francisco Ferreira da Silva, Tim Coopmans +6
We numerically study the distribution of entanglement between the Dutch cities of Delft and Eindhoven realized with a processing-node quantum repeater and determine minimal hardwar…
LIMDD: A Decision Diagram for Simulation of Quantum Computing Including Stabilizer States
Lieuwe Vinkhuijzen, Tim Coopmans, David Elkouss +2
Efficient methods for the representation and simulation of quantum states and quantum operations are crucial for the optimization of quantum circuits. Decision diagrams (DDs), a we…
Improved analytical bounds on delivery times of long-distance entanglement
Tim Coopmans, Sebastiaan Brand, David Elkouss
The ability to distribute high-quality entanglement between remote parties is a necessary primitive for many quantum communication applications. A large range of schemes for realiz…
Tools for quantum network design
Koji Azuma, Stefan Bäuml, Tim Coopmans +2
Quantum networks will enable the implementation of communication tasks with qualitative advantages with respect to the communication networks we know today. While it is expected th…
Optimizing Entanglement Generation and Distribution Using Genetic Algorithms
Francisco Ferreira da Silva, Ariana Torres-Knoop, Tim Coopmans +2
Long-distance quantum communication via entanglement distribution is of great importance for the quantum internet. However, scaling up to such long distances has proved challenging…
NetSquid, a NETwork Simulator for QUantum Information using Discrete events
Tim Coopmans, Robert Knegjens, Axel Dahlberg +13
In order to bring quantum networks into the real world, we would like to determine the requirements of quantum network protocols including the underlying quantum hardware. Because…
Efficient optimization of cut-offs in quantum repeater chains
Boxi Li, Tim Coopmans, David Elkouss
Quantum communication enables the implementation of tasks that are unachievable with classical resources. However, losses on the communication channel preclude the direct long-dist…
Efficient computation of the waiting time and fidelity in quantum repeater chains
Sebastiaan Brand, Tim Coopmans, David Elkouss
Quantum communication enables a host of applications that cannot be achieved by classical communication means, with provably secure communication as one of the prime examples. The…
A Link Layer Protocol for Quantum Networks
Axel Dahlberg, Matthew Skrzypczyk, Tim Coopmans +9
Quantum communication brings radically new capabilities that are provably impossible to attain in any classical network. Here, we take the first step from a physics experiment to a…
Robust self-testing of two-qubit states
Tim Coopmans, Jędrzej Kaniewski, Christian Schaffner
It is well-known that observing nonlocal correlations allows us to draw conclusions about the quantum systems under consideration. In some cases this yields a characterisation whic…