While a quantum computer could factor a 2048-bit RSA key in less than a week with fewer than a million qubits, there are ...

IonQ ($IONQ) announced it has reached 99.99% two-qubit gate fidelity, a measure of how accurately its quantum systems perform ...

Back in 2020, we talked to the CEO of a quantum computing startup called IonQ that uses trapped ions for its qubits. At the time, the company had just introduced a quantum processor that could host 32 ...

Figure 1 Schematic diagrams of two superconducting flux qubit circuits. The conventional qubit (a) requires an external magnetic field to operate optimally, while the new flux qubit (b), using a ...

Researchers have crafted a new architecture for quantum computing. By constructing a hybrid device made from two different types of qubit -- the fundamental computing element of quantum computers -- ...

China has reached a new milestone in quantum computing with the development of Tianyan-504, a powerful 504-qubit quantum computer. The Tianyan-504 quantum computer was developed through collaboration ...

Figure 1: A photograph of a dilution refrigerator used to cool a superconducting quantum computer. The quantum circuit is inside the cylindrical metal shield at the ...

Fujitsu announced that it has started research and development towards a superconducting quantum computer with a capacity ...

New device emits photons in telecom fiber band from the start, so it avoids a separate converter that can waste photons.

Quantum echoes” rippling through Google’s quantum computer chip Willow could lead to advances in molecular chemistry and the physics of black holes ...