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25 papers · 2 filters
Experimental quantum randomness enhanced by a quantum network
Emanuele Polino, Luis Villegas-Aguilar, Davide Poderini +10
The certification of randomness is essential for both fundamental science and information technologies. Unlike traditional random number generators, randomness obtained from nonloc…
Exploring Hybrid Quantum-Classical Methods for Practical Time-Series Forecasting
Maksims Dimitrijevs, Mārtiņš Kālis, Iļja Repko
Time-series forecasting is essential for strategic planning and resource allocation. In this work, we explore two quantum-based approaches for time-series forecasting. The first ap…
Surpassing the loss-noise robustness trade-off in quantum key distribution
Hannah Seabrook, Emilien Lavie, Teodor Strömberg +2
Quantum key distribution (QKD) offers a theoretically secure method to share secret keys, yet practical implementations face challenges due to noise and loss over long-distance cha…
Noise Transfer Approach to GKP Quantum Circuits
Timothy C Ralph, Matthew Winnel, S Nibedita Swain +1
The choice between the Schroedinger and Heisenberg pictures can significantly impact the computational resources needed to solve a problem, even though they are equivalent formulat…
Riemannian-geometric generalizations of quantum fidelities and Bures-Wasserstein distance
A. Afham, Chris Ferrie
We introduce a family of fidelities, termed generalized fidelity, which are based on the Riemannian geometry of the Bures-Wasserstein manifold. We show that this family of fideliti…
Capacity-Achieving Entanglement Purification Protocol for Pauli Dephasing Channel
Ozlem Erkilic, Matthew S. Winnel, Aritra Das +4
Quantum communication enables secure information transmission and entanglement distribution, but these tasks are fundamentally limited by the capacities of quantum channels. While…