The rare-earth element erbium could play a key role in future quantum networks: Researchers from the Max Planck Institute of Quantum Optics (MPQ) and the Technical University of Munich (TUM), led by Andreas Reiserer, have […]
Lightcone bounds for quantum circuit mapping via uncomplexity
npj Quantum Information, Published online: 09 November 2024; doi:10.1038/s41534-024-00909-7 Lightcone bounds for quantum circuit mapping via uncomplexity Efficiently mapping quantum circuits onto hardware is integral for the quantum compilation process, wherein a circuit is modified […]
Unified linear response theory of quantum electronic circuits
npj Quantum Information, Published online: 09 November 2024; doi:10.1038/s41534-024-00907-9 Unified linear response theory of quantum electronic circuits Modeling the electrical response of multi-level quantum systems at finite frequency has been typically performed in the context […]
Finding the optimal probe state for multiparameter quantum metrology using conic programming
npj Quantum Information, Published online: 07 November 2024; doi:10.1038/s41534-024-00905-x Finding the optimal probe state for multiparameter quantum metrology using conic programming The ultimate precision in quantum sensing could be achieved using optimal quantum probe states. […]
Cavity-assisted resonance fluorescence from a nitrogen-vacancy center in diamond
npj Quantum Information, Published online: 07 November 2024; doi:10.1038/s41534-024-00915-9 Cavity-assisted resonance fluorescence from a nitrogen-vacancy center in diamond The nitrogen-vacancy center in diamond is an attractive resource for the generation of remote entangled states owing […]
Scaling whole-chip QAOA for higher-order ising spin glass models on heavy-hex graphs
npj Quantum Information, Published online: 06 November 2024; doi:10.1038/s41534-024-00906-w Scaling whole-chip QAOA for higher-order ising spin glass models on heavy-hex graphs In this paper, the team of researchers has showed that the quantum approximate optimization […]
Classification of dynamical Lie algebras of 2-local spin systems on linear, circular and fully connected topologies
npj Quantum Information, Published online: 06 November 2024; doi:10.1038/s41534-024-00900-2 Classification of dynamical Lie algebras of 2-local spin systems on linear, circular and fully connected topologies Much is understood about 1-dimensional spin chains in terms of […]
Time-optimal control of a solid-state spin amidst dynamical quantum wind
npj Quantum Information, Published online: 05 November 2024; doi:10.1038/s41534-024-00912-y Time-optimal control of a solid-state spin amidst dynamical quantum wind Time-optimal control holds promise across the full spectrum of quantum technologies, where the rapid generation of […]
Qubit teleportation between a memory-compatible photonic time-bin qubit and a solid-state quantum network node
npj Quantum Information, Published online: 02 November 2024; doi:10.1038/s41534-024-00910-0 Qubit teleportation between a memory-compatible photonic time-bin qubit and a solid-state quantum network node This paper reports on a quantum interface linking a diamond NV center […]
Overview of ququart encoding architecture in the omg level structure of 171Yb atoms.
An architecture for two-qubit encoding in neutral ytterbium-171 atoms
npj Quantum Information, Published online: 02 November 2024; doi:10.1038/s41534-024-00898-7 An architecture for two-qubit encoding in neutral ytterbium-171 atoms In this paper, researchers present an architecture for encoding two qubits within the optical “clock” transition and […]
