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Circuit cavity electromechanics in the strong coupling regime
J. D. Teufel, D. Li, M. S. Allman +4
Demonstrating and exploiting the quantum nature of larger, more macroscopic mechanical objects would help us to directly investigate the limitations of quantum-based measurements a…
Remote Sensing and Control of Phase Qubits
Dale Li, Fabio C. S. da Silva, Danielle A. Braje +2
We demonstrate a remote sensing design of phase qubits by separating the control and readout circuits from the qubit loop. This design improves measurement reliability because the…
Time-Domain Detection of Weakly Coupled TLS Fluctuators in Phase Qubits
M. S. Allman, F. Altomare, J. D. Whittaker +6
We report on a method for detecting weakly coupled spurious two-level system fluctuators (TLSs) in superconducting qubits. This method is more sensitive that standard spectroscopic…
Tripartite interactions between two phase qubits and a resonant cavity
F. Altomare, J. I. Park, K. Cicak +7
The creation and manipulation of multipartite entangled states is important for advancements in quantum computation and communication, and for testing our fundamental understanding…
Arbitrary Control of Entanglement between Two Superconducting Resonators
Frederick W. Strauch, Kurt Jacobs, Raymond W. Simmonds
We present a method to synthesize an arbitrary quantum state of two superconducting resonators. This state-synthesis algorithm utilizes a coherent interaction of each resonator wit…
Measurement crosstalk between two phase qubits coupled by a coplanar waveguide
Fabio Altomare, Katarina Cicak, Mika A. Sillanpää +8
We analyze the measurement crosstalk between two flux-biased phase qubits coupled by a resonant coplanar waveguide cavity. After the first qubit is measured, the superconducting ph…