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The EU Quantum Flagship's Key Performance Indicators for Quantum Computing
Zoltán Zimborás, Attila Portik, David Aguirre +10
As quantum processors continue to scale in size and complexity, the need for well-defined, reproducible, and technology-agnostic performance metrics becomes increasingly critical.…
Crosstalk Dispersion and Spatial Scaling in Superconducting Qubit Arrays
Mohammed Alghadeer, Simon Pettersson Fors, Shuxiang Cao +5
Crosstalk between qubits fundamentally limits the scalability of quantum processors, necessitating physics-based models that can handle the complexity of large qubit arrays. Here,…
Realizing on-demand all-to-all selective interactions between distant spin ensembles
C. -X. Run, K. -T. Lin, K. -M. Hsieh +5
Achieving all-to-all coherent networks is critical for the advancement of large-scale coherent computing and communication protocols. By exploiting the resonant dipole-dipole inter…
Doublon bound states in the continuum through giant atoms
Walter Rieck, Anton Frisk Kockum, Guangze Chen
Bound states in the continuum (BICs) are spatially localized modes embedded in the spectrum of extended states, typically stabilized by symmetry or interference. While extensively…
Generating spatially separated correlated multiphoton states in nonlinear waveguide quantum electrodynamics
Jia-Qi Li, Anton Frisk Kockum, Xin Wang
Strongly correlated multi-photon states are indispensable resources for advanced quantum technologies, yet their deterministic generation remains challenging due to the inherent we…
Quantum measurement tomography with mini-batch stochastic gradient descent
Akshay Gaikwad, Manuel Sebastian Torres, Anton Frisk Kockum
Drawing inspiration from gradient-descent methods developed for data processing in quantum state tomography [\href{https://iopscience.iop.org/article/10.1088/2058-9565/ae0baa}{Quan…