Search Results - "Gubrud, M. A."

Entangled Macroscopic Quantum States in Two Superconducting Qubits by Berkley, A. J., Xu, H., Ramos, R. C., Gubrud, M. A., Strauch, F. W., Johnson, P. R., Anderson, J. R., Dragt, A. J., Lobb, C. J., Wellstood, F. C.

“…We present spectroscopic evidence for the creation of entangled macroscopic quantum states in two current-biased Josephson-junction qubits coupled by a…”
Get full text

Design for effective thermalization of junctions for quantum coherence by Ramos, R.C., Gubrud, M.A., Berkley, A.J., Anderson, J.R., Lobb, C.J., Wellstood, F.C.

“…We present a design for effectively isolating low-dissipation superconducting tunnel junctions without causing excessive heating. In order to obtain a long…”
Get full text

Determination of relaxation time of a Josephson junction qubit by DUTTA, S. K, XU, H, BERKLEY, A. J, RAMOS, R. C, GUBRUD, M. A, ANDERSON, J. R, LOBB, C. J, WELLSTOOD, F. C

Get full text

Capacitively coupled Josephson junctions: A two-qubit system by Ramos, R.C., Strauch, F.W., Johnson, P.R., Berkley, A.J., Xu, H., Gubrud, M.A., Anderson, J.R., Lobb, C.J., Dragt, A.J., Wellstood, F.C.

“…We describe how single Josephson junctions can be connected together capacitively to form a two-qubit system. We discuss the general behavior of this system…”
Get full text

Characterization of an LC-isolated Josephson junction qubit by Berkley, A.J., Xu, H., Gubrud, M.A., Ramos, R.C., Anderson, J.R., Lobb, C.J., Wellstood, F.C.

“…The energy states of a well-isolated hysteretic Josephson junction in the "phase" regime can be used as a qubit. The state of the junction can be determined by…”
Get full text

Analysis of energy level quantization and tunneling from the zero-voltage state of a current-biased Josephson junction by Xu, H., Berkley, A.J., Gubrud, M.A., Ramos, R.C., Anderson, J.R., Lobb, C.J., Wellstood, F.C.

“…We examine resonant activation from the zero-voltage state of a current-biased Josephson junction in the limit of low damping. In this limit, the quantum…”
Get full text

Sub-gap leakage in Nb/AlOx/Nb and Al/AlOx/Al Josephson junctions by GUBRUD, M. A, EJRNAES, M, BERKLEY, A. J, RAMOS, R. C, JIN, I, ANDERSON, J. R, DRAGT, A. J, LOBB, C. J, WELLSTOOD, F. C

“…In an effort to determine the suitability of Josephson junctions for applications in quantum computation, we measured low-noise dc current-voltage…”
Get full text

Spectroscopic resonance broadening in a josephson junction qubit due to current noise by XU, H, BERKLEY, A. J, RAMOS, R. C, GUBRUD, M. A, JOHNSON, P. R, STRAUCH, F. W, DRAGT, A. J, ANDERSON, J. R, LOBB, C. J, WELLSTOOD, F. C

Get full text

A 30 mK, 13.5 T scanning tunneling microscope with two independent tips by Roychowdhury, A, Gubrud, M. A, Dana, R, Anderson, J. R, Lobb, C. J, Wellstood, F. C, Dreyer, M

“…We describe the design, construction, and performance of an ultra-low temperature, high-field scanning tunneling microscope (STM) with two independent tips…”
Get full text

Josephson-junction qubits: entanglement and coherence by Anderson, J.R., Berkley, A.J., Dragt, A.J., Gubrud, M.A., Johnson, P.R., Lobb, C.J., Ramos, R.C., Strauch, F.W., Wellstood, F.C., Xu, H.

“…We review briefly the problems that are driving the search for a quantum computer. These include, primarily, methods for encryption and decryption based on…”
Get full text

Defining Entanglement by Wójcik, Antoni, Berkley, A. J., Xu, H., Ramos, R. C., Gubrud, M. A., Strauch, F. W., Johnson, P. R., Anderson, J. R., Dragt, A. J., Lobb, C. J., Wellstood, F. C.

Get full text

Sub-gap leakage in Nb/AlO(x)/Nb and Al/AlO(x)/Al Josephson junctions by Gubrud, M A, Ejrnaes, M, Berkley, A J, Ramos, R C, Jin, I, Anderson, J R, Dragt, A J, Lobb, C J, Wellstood, F C

“…In an effort to determine the suitability of Josephson junctions for applications in quantum computation, we measured low-noise dc current-voltage…”
Get full text

Sub-gap leakage in Nb/AlO sub(x)/Nb and Al/AlO sub(x)/Al Josephson junctions by Gubrud, M A, Ejrnaes, M, Berkley, A J, Ramos R.C., Jr, Jin, I, Anderson, J R, Dragt, A J, Lobb, C J, Wellstood, F C

“…In an effort to determine the suitability of Josephson junctions for applications in quantum computation, we measured low-noise dc current-voltage…”
Get full text

Josephson-junction qubits: entanglement and coherence by Anderson, J R, Berkley, A J, Dragt, A J, Gubrud, M A, Johnson, P R, Lobb, C J, Ramos, R C, Strauch, F W, Wellstood, F C, Xu, H

“…We review briefly the problems that are driving the search for a quantum computer. These include, primarily, methods for encryption and decryption based on…”
Get full text

Decoherence in a Josephson junction qubit by Berkley, A. J, Xu, H, Gubrud, M. A, Ramos, R. C, Anderson, J. R, Lobb, C. J, Wellstood, F. C

“…The zero-voltage state of a Josephson junction biased with constant current consists of a set of metastable quantum energy levels. We probe the spacings of…”
Get full text