9 papers
Limitations of Error Model Approximations in Quantum Network Simulation
Julia Freund, Jorge Miguel-Ramiro, Julius Wallnöfer +1
Efficient classical simulation of large-scale quantum networks frequently relies on noise approximations, which consider a restricted set of operators to describe noisy channels an…
Enhancing quantum processor capabilities during idle times
Wolfgang Dür
We advocate an alternative paradigm to operate quantum computers that utilizes multipartite entanglement generated in dedicated auxiliary systems during idle times. This stored ent…
Analytical and Compressed Simulation of Noisy Stabilizer Circuits
Paul Aigner, Jasmin Matti, Maria Flors Mor-Ruiz +2
We develop analytical and algorithmic techniques that enable efficient simulation of a broad class of noisy stabilizer circuits. We derive closed-form expressions of expectation va…
Localized Entanglement Purification
Katerina Stloukalova, Jorge Miguel-Ramiro, Wolfgang Dür +1
Entanglement purification protocols are fundamental primitives in quantum communication, enabling the distillation of high-quality entanglement using only local operations and clas…
Blind quantum computing with different qudit resource state architectures
Alena Romanova, Wolfgang Dür
We discuss how blind quantum computing generalizes to multi-level quantum systems (qudits), which offers advantages compared to the qubit approach. Here, a quantum computing task i…
Universal Nested Quantum Switch
Jorge Miguel-Ramiro, Maria Flors Mor-Ruiz, Wolfgang Dür
The quantum switch is a basic network primitive that allows one to connect multiple nodes in a quantum network via a central node. We show that the same functionality can be achiev…