Programmable quantum circuits in a large-scale photonic waveguide array
A team has reported on the first demonstration of precise control of single photon states on an 11-dimensional continuously-coupled programmable waveguide array.
Record-Breaking 99.998% Quantum Gate Fidelity with Fluxonium Qubits
MIT researchers achieved a groundbreaking 99.998% single-qubit fidelity in quantum computing through innovative fluxonium qubit control techniques, combining commensurate pulses and synthetic circularly polarized light to overcome counter-rotating errors, marking a crucial advancement toward practical quantum error correction and fault-tolerant quantum computing.