5 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…
Strategy optimization for quantum conference key agreement in asymmetric star networks
Janka Memmen, Julia Kunzelmann, Nathan Walk +2
The distribution of entangled states is a core task for quantum networks facilitating quantum communication, and the use of multipartite entangled states comes with its own set of…
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…
Merging-Based Quantum Repeater
Maria Flors Mor-Ruiz, Jorge Miguel-Ramiro, Julius Wallnöfer +2
We introduce an alternative approach for the design of quantum repeaters based on generating entangled states of growing size. The scheme utilizes quantum merging operations, also…