Robust concurrent remote entanglement between two superconducting qubits

A Narla, S Shankar, M Hatridge, Z Leghtas, KM Sliwa… - Physical Review X, 2016 - APS
Entangling two remote quantum systems that never interact directly is an essential primitive
in quantum information science and forms the basis for the modular architecture of quantum …

Measurement of the entanglement of two superconducting qubits via state tomography

M Steffen, M Ansmann, RC Bialczak, N Katz, E Lucero… - Science, 2006 - science.org
… However, direct demonstration of entanglement is … for superconducting qubits (5–9). We
demonstrated all of the DiVincenzo criteria simultaneously, thus placing superconducting qubits

Generation of three-qubit entangled states using superconducting phase qubits

M Neeley, RC Bialczak, M Lenander, E Lucero… - Nature, 2010 - nature.com
… In superconducting devices 3 , two-qubit entangled states … the two-qubit case, where all
maximally entangled two-qubit … , three qubits can be entangled in two fundamentally different …

Entangled macroscopic quantum states in two superconducting qubits

AJ Berkley, H Xu, RC Ramos, MA Gubrud, FW Strauch… - Science, 2003 - science.org
… of one qubit depends inextricably on the state of another qubit. Recently, entanglement in a
superconducting charge-based two-qubitsuperconducting coupled qubit system with qubits

Steady-state entanglement of two superconducting qubits engineered by dissipation

F Reiter, L Tornberg, G Johansson, AS Sørensen - Physical Review A—Atomic …, 2013 - APS
… Our results show that a maximally entangled state of two superconducting qubits can be …
of realistic qubit decoherence rates and imperfections. High fidelities are obtained both for state…

Entanglement of Two Superconducting Qubits in a Waveguide Cavity<? format?> via Monochromatic Two-Photon Excitation

S Poletto, JM Gambetta, ST Merkel, JA Smolin… - Physical review …, 2012 - APS
We report a system where fixed interactions between noncomputational levels make bright
the otherwise forbidden two-photon | 00 ⟩ → | 11 ⟩ transition. The system is formed by hand …

Preparation and measurement of three-qubit entanglement in a superconducting circuit

L DiCarlo, MD Reed, L Sun, BR Johnson, JM Chow… - Nature, 2010 - nature.com
… As in its two-qubit predecessor 7,9 , in our chip qubit control is achieved with a combination
… realizing single-qubit x and y rotations and flux pulses individually tuning the qubit transition …

Entangling superconducting qubits in a multi-cavity system

CP Yang, QP Su, SB Zheng, F Nori - New Journal of Physics, 2016 - iopscience.iop.org
… intra-cavity SC qubits plus the coupler SC qubit can be prepared in an entangled Greenberger–…
We also introduce two simple methods for entangling the intra-cavity SC qubits in a GHZ …

Generating stationary entangled states in superconducting qubits

J Zhang, Y Liu, CW Li, TJ Tarn, F Nori - Physical Review A—Atomic, Molecular …, 2009 - APS
… , we study the entanglement production in superconducting qubit circuits interacting with
controllable squeezed modes in cavities or resonators eg, circuit QED. Conclusions and …

Generating entanglement between microwave photons and qubits in multiple cavities coupled by a superconducting qutrit

CP Yang, QP Su, SB Zheng, S Han - … Review A—Atomic, Molecular, and Optical …, 2013 - APS
… We also show that a Greenberger-Horne-Zeilinger (GHZ) state of four superconducting
qubits embedded in four different resonators can be created with this scheme. In principle, the …