Quantum-mechanical effects at the macroscopic level were first explored in Josephson-
junction-based superconducting circuits in the 1980s. In recent decades, the emergence of …

Light–matter interactions at the single-particle level have generally been explored in the
context of atomic, molecular and optical physics. Recent advances motivated by quantum …

Spins in semiconductor quantum dots constitute a promising platform for scalable quantum
information processing. Coupling them strongly to the photonic modes of superconducting …

Electron spins in silicon quantum dots are attractive systems for quantum computing owing
to their long coherence times and the promise of rapid scaling of the number of dots in a …

Long coherence times of single spins in silicon quantum dots make these systems highly
attractive for quantum computation, but how to scale up spin qubit systems remains an open …

We report the coherent coupling of two electron spins at a distance via virtual microwave
photons. Each spin is trapped in a silicon double quantum dot at either end of a …

Electron spins hold great promise for quantum computation because of their long coherence
times. Long-distance coherent coupling of spins is a crucial step towards quantum …

Silicon spin qubits stand out due to their very long coherence times, compatibility with
industrial fabrication, and prospect to integrate classical control electronics. To achieve a …

Spin qubits in silicon and germanium quantum dots are promising platforms for quantum
computing, but entangling spin qubits over micrometer distances remains a critical …

The interaction of qubits via microwave frequency photons enables long-distance qubit-qubit
coupling and facilitates the realization of a large-scale quantum processor. However, qubits …