In a first, transmon qubit achieves a coherence time of one millisecond
A team of researchers in Finland has set a new world record for how long a quantum bit,…
A dephasing sweet spot with enhanced dipolar coupling
Device The device is depicted in Fig. 1. Detailed fabrication procedures are outlined in the Methods. This device comprises…
Hacked qubit blocks achieve unexpected
In the strange world of quantum computing, randomness isn’t just noise. It’s a powerful resource. Whether you’re designing…
First zero-temp symmetry break hits 80% fidelity in quantum test
An international collaboration of researchers from China, Spain, Denmark, and Brazil has successfully simulated spontaneous symmetry breaking (SSB)…
Deterministic generation of two-dimensional multi-photon cluster states
Device architecture and cluster state generation protocol To generate ladder-like cluster states, we use two transmon qubits whose…
Spin-qubit control with a milli-kelvin CMOS chip
To evaluate single-qubit gates, we first establish a baseline using all room-temperature electronics for control. Following the usual…
God’s play? Chinese scientists catch cosmic rays meddling in quantum computer operation
Researchers in China said they have found the first evidence that subatomic particles from cosmic rays may be…
World’s fastest magic state prep slashes quantum computing costs
Quantum computers promise to revolutionize everything from drug discovery to climate modeling. By processing information in quantum bits,…