4 papers
Solving Differential Equations Using Continuous-Variable Quantum Annealing
Kazuki Miyanishi, Soshun Naito, Asuka Koura +3
Most existing quantum annealing approaches are formulated for qubit-based architectures. Consequently, applying them to continuous-variable optimization problems requires discretiz…
Microwave-driven same-species sympathetic cooling for trapped ions
M. C. Smith, E. Vandrey, A. D. Leu +5
Sympathetic cooling of data qubits by coolant ions is an essential technique for trapped-ion quantum computing. Conventionally a second ion species is used, requiring additional la…
Integrated Multi-Wavelength Photonic Architectures for Future Scalable Trapped Ion Quantum Devices
Alto Osada, Koichiro Miyanishi
Recent advances of quantum technologies rely on precise control and integration of quantum objects, and technological breakthrough is anticipated for further scaling up to realize…
Single-qubit gates with errors at the level
M. C. Smith, A. D. Leu, K. Miyanishi +2
We report the achievement of single-qubit gates with sub-part-per-million error rates, in a trapped-ion Ca hyperfine clock qubit. We explore the speed/fidelity trade-o…