Quantum memory for superconducting qubits
Emily J. Pritchett, Michael R. Geller
DOI 10.1103/PhysRevA.72.010301 · Physical Review A
Active bibliographic source — not scientific approval
Bibliographic access preserves source history; it does not approve extracted materials or validate reported claims. Review warnings on each occurrence separately.
Abstract
Many protocols for quantum computation require a memory element to store qubits. We discuss the speed and accuracy with which quantum states prepared in a superconducting qubit can be stored in and later retrieved from an attached high-Q resonator. The memory fidelity depends on both the qubit-resonator coupling strength and the location of the state on the Bloch sphere. Our results show that a quantum memory demonstration should be possible with existing superconducting qubit designs, which would be an important milestone in solid-state quantum information processing. Although we specifically focus on a large-area, current-biased Josesphson-junction phase qubit coupled to the dilatational mode of a piezoelectric nanoelectromechanical disk resonator, many of our results will apply to other qubit-oscillator models.
Similar papers
Superconducting qubit as a quantum transformer routing entanglement between a microscopic quantum memory and a macroscopic resonator
similarity 0.91Alexander Kemp et al.
Source status unknown — claims are unverified
Coupling Nitrogen-Vacancy Centers in Diamond to Superconducting Flux Qubits
similarity 0.90D. Marcos et al.
Source status unknown — claims are unverified
Macroscopic Tunnel Splittings in Superconducting Phase Qubits
similarity 0.90Philip R. Johnson et al.
Source status unknown — claims are unverified
Optimal control for fast and high-fidelity quantum gates in coupled superconducting flux qubits
similarity 0.90Shang-Yu Huang & Hsi-Sheng Goan · 2014 · arXiv:1406.7707
Source status unknown — claims are unverified
Tunable Superconducting Flux Qubits with Long Coherence Times
similarity 0.89T. Chang et al.
Source status unknown — claims are unverified
Quantum computation with Josephson qubits using a current-biased information bus
similarity 0.89L. F. Wei et al.
Source status unknown — claims are unverified