Search Results - "Mutus, J. Y"

Fluctuations of Energy-Relaxation Times in Superconducting Qubits by Klimov, P V, Kelly, J, Chen, Z, Neeley, M, Megrant, A, Burkett, B, Barends, R, Arya, K, Chiaro, B, Chen, Yu, Dunsworth, A, Fowler, A, Foxen, B, Gidney, C, Giustina, M, Graff, R, Huang, T, Jeffrey, E, Lucero, Erik, Mutus, J Y, Naaman, O, Neill, C, Quintana, C, Roushan, P, Sank, Daniel, Vainsencher, A, Wenner, J, White, T C, Boixo, S, Babbush, R, Smelyanskiy, V N, Neven, H, Martinis, John M

“…Superconducting qubits are an attractive platform for quantum computing since they have demonstrated high-fidelity quantum gates and extensibility to modest…”
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Demonstrating a Continuous Set of Two-qubit Gates for Near-term Quantum Algorithms by Foxen, B., Neill, C., Dunsworth, A., Roushan, P., Chiaro, B., Megrant, A., Kelly, J., Chen, Zijun, Satzinger, K., Barends, R., Arute, F., Arya, K., Babbush, R., Bacon, D., Bardin, J. C., Boixo, S., Buell, D., Burkett, B., Chen, Yu, Collins, R., Farhi, E., Fowler, A., Gidney, C., Giustina, M., Graff, R., Harrigan, M., Huang, T., Isakov, S. V., Jeffrey, E., Jiang, Z., Kafri, D., Kechedzhi, K., Klimov, P., Korotkov, A., Kostritsa, F., Landhuis, D., Lucero, E., McClean, J., McEwen, M., Mi, X., Mohseni, M., Mutus, J. Y., Naaman, O., Neeley, M., Niu, M., Petukhov, A., Quintana, C., Rubin, N., Sank, D., Smelyanskiy, V., Vainsencher, A., White, T. C., Yao, Z., Yeh, P., Zalcman, A., Neven, H., Martinis, J. M.

“…Quantum algorithms offer a dramatic speedup for computational problems in material science and chemistry. However, any near-term realizations of these…”
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Qubit Architecture with High Coherence and Fast Tunable Coupling by Chen, Yu, Neill, C, Roushan, P, Leung, N, Fang, M, Barends, R, Kelly, J, Campbell, B, Chen, Z, Chiaro, B, Dunsworth, A, Jeffrey, E, Megrant, A, Mutus, J Y, O'Malley, P J J, Quintana, C M, Sank, D, Vainsencher, A, Wenner, J, White, T C, Geller, Michael R, Cleland, A N, Martinis, John M

“…We introduce a superconducting qubit architecture that combines high-coherence qubits and tunable qubit-qubit coupling. With the ability to set the coupling to…”
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Fast accurate state measurement with superconducting qubits by Jeffrey, Evan, Sank, Daniel, Mutus, J Y, White, T C, Kelly, J, Barends, R, Chen, Y, Chen, Z, Chiaro, B, Dunsworth, A, Megrant, A, O'Malley, P J J, Neill, C, Roushan, P, Vainsencher, A, Wenner, J, Cleland, A N, Martinis, John M

“…Faster and more accurate state measurement is required for progress in superconducting qubit experiments with greater numbers of qubits and advanced techniques…”
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Scalable Quantum Simulation of Molecular Energies by O’Malley, P. J. J., Babbush, R., Kivlichan, I. D., Romero, J., McClean, J. R., Barends, R., Kelly, J., Roushan, P., Tranter, A., Ding, N., Campbell, B., Chen, Y., Chen, Z., Chiaro, B., Dunsworth, A., Fowler, A. G., Jeffrey, E., Lucero, E., Megrant, A., Mutus, J. Y., Neeley, M., Neill, C., Quintana, C., Sank, D., Vainsencher, A., Wenner, J., White, T. C., Coveney, P. V., Love, P. J., Neven, H., Aspuru-Guzik, A., Martinis, J. M.

“…We report the first electronic structure calculation performed on a quantum computer without exponentially costly precompilation. We use a programmable array…”
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Observation of Classical-Quantum Crossover of 1/f Flux Noise and Its Paramagnetic Temperature Dependence by Quintana, C M, Chen, Yu, Sank, D, Petukhov, A G, White, T C, Kafri, Dvir, Chiaro, B, Megrant, A, Barends, R, Campbell, B, Chen, Z, Dunsworth, A, Fowler, A G, Graff, R, Jeffrey, E, Kelly, J, Lucero, E, Mutus, J Y, Neeley, M, Neill, C, O'Malley, P J J, Roushan, P, Shabani, A, Smelyanskiy, V N, Vainsencher, A, Wenner, J, Neven, H, Martinis, John M

“…By analyzing the dissipative dynamics of a tunable gap flux qubit, we extract both sides of its two-sided environmental flux noise spectral density over a…”
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Characterization and reduction of capacitive loss induced by sub-micron Josephson junction fabrication in superconducting qubits by Dunsworth, A., Megrant, A., Quintana, C., Chen, Zijun, Barends, R., Burkett, B., Foxen, B., Chen, Yu, Chiaro, B., Fowler, A., Graff, R., Jeffrey, E., Kelly, J., Lucero, E., Mutus, J. Y., Neeley, M., Neill, C., Roushan, P., Sank, D., Vainsencher, A., Wenner, J., White, T. C., Martinis, John M.

“…Josephson junctions form the essential non-linearity for almost all superconducting qubits. The junction is formed when two superconducting electrodes come…”
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Strong environmental coupling in a Josephson parametric amplifier by Mutus, J. Y., White, T. C., Barends, R., Chen, Yu, Chen, Z., Chiaro, B., Dunsworth, A., Jeffrey, E., Kelly, J., Megrant, A., Neill, C., O'Malley, P. J. J., Roushan, P., Sank, D., Vainsencher, A., Wenner, J., Sundqvist, K. M., Cleland, A. N., Martinis, John M.

“…We present a lumped-element Josephson parametric amplifier designed to operate with strong coupling to the environment. In this regime, we observe broadband…”
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Catching Time-Reversed Microwave Coherent State Photons with 99.4% Absorption Efficiency by Wenner, J., Yin, Yi, Chen, Yu, Barends, R., Chiaro, B., Jeffrey, E., Kelly, J., Megrant, A., Mutus, J. Y., Neill, C., O’Malley, P. J. J., Roushan, P., Sank, D., Vainsencher, A., White, T. C., Korotkov, Alexander N., Cleland, A. N., Martinis, John M.

“…We demonstrate a high-efficiency deterministic quantum receiver to convert flying qubits to stationary qubits. We employ a superconducting resonator, which is…”
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Fabrication and characterization of aluminum airbridges for superconducting microwave circuits by Chen, Zijun, Megrant, A., Kelly, J., Barends, R., Bochmann, J., Chen, Yu, Chiaro, B., Dunsworth, A., Jeffrey, E., Mutus, J. Y., O'Malley, P. J. J., Neill, C., Roushan, P., Sank, D., Vainsencher, A., Wenner, J., White, T. C., Cleland, A. N., Martinis, John M.

“…Superconducting microwave circuits based on coplanar waveguides (CPW) are susceptible to parasitic slotline modes which can lead to loss and decoherence. We…”
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A method for building low loss multi-layer wiring for superconducting microwave devices by Dunsworth, A., Barends, R., Chen, Yu, Chen, Zijun, Chiaro, B., Fowler, A., Foxen, B., Jeffrey, E., Kelly, J., Klimov, P. V., Lucero, E., Mutus, J. Y., Neeley, M., Neill, C., Quintana, C., Roushan, P., Sank, D., Vainsencher, A., Wenner, J., White, T. C., Neven, H., Martinis, John M., Megrant, A.

“…Complex integrated circuits require multiple wiring layers. In complementary metal-oxide-semiconductor processing, these layers are robustly separated by…”
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Characterization and reduction of microfabrication-induced decoherence in superconducting quantum circuits by Quintana, C. M., Megrant, A., Chen, Z., Dunsworth, A., Chiaro, B., Barends, R., Campbell, B., Chen, Yu, Hoi, I.-C., Jeffrey, E., Kelly, J., Mutus, J. Y., O'Malley, P. J. J., Neill, C., Roushan, P., Sank, D., Vainsencher, A., Wenner, J., White, T. C., Cleland, A. N., Martinis, John M.

“…Many superconducting qubits are highly sensitive to dielectric loss, making the fabrication of coherent quantum circuits challenging. To elucidate this issue,…”
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Emulating weak localization using a solid-state quantum circuit by Chen, Yu, Roushan, P., Sank, D., Neill, C., Lucero, Erik, Mariantoni, Matteo, Barends, R., Chiaro, B., Kelly, J., Megrant, A., Mutus, J. Y., O'Malley, P. J. J., Vainsencher, A., Wenner, J., White, T. C., Yin, Yi, Cleland, A. N., Martinis, John M.

“…Quantum interference is one of the most fundamental physical effects found in nature. Recent advances in quantum computing now employ interference as a…”
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Low-energy electron point projection microscopy of suspended graphene, the ultimate 'microscope slide' by Mutus, J Y, Livadaru, L, Robinson, J T, Urban, R, Salomons, M H, Cloutier, M, Wolkow, R A

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Digitized adiabatic quantum computing with a superconducting circuit by Barends, R., Shabani, A., Lamata, L., Kelly, J., Mezzacapo, A., Heras, U. Las, Babbush, R., Fowler, A. G., Campbell, B., Chen, Yu, Chen, Z., Chiaro, B., Dunsworth, A., Jeffrey, E., Lucero, E., Megrant, A., Mutus, J. Y., Neeley, M., Neill, C., O’Malley, P. J. J., Quintana, C., Roushan, P., Sank, D., Vainsencher, A., Wenner, J., White, T. C., Solano, E., Neven, H., Martinis, John M.

“…A digitized approach to adiabatic quantum computing, combining the generality of the adiabatic algorithm with the universality of the digital method, is…”
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State preservation by repetitive error detection in a superconducting quantum circuit by Kelly, J., Barends, R., Fowler, A. G., Megrant, A., Jeffrey, E., White, T. C., Sank, D., Mutus, J. Y., Campbell, B., Chen, Yu, Chen, Z., Chiaro, B., Dunsworth, A., Hoi, I.-C., Neill, C., O’Malley, P. J. J., Quintana, C., Roushan, P., Vainsencher, A., Wenner, J., Cleland, A. N., Martinis, John M.

“…A quantum error correction scheme is demonstrated in a system of superconducting qubits, and repeated quantum non-demolition measurements are used to track…”
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Digital quantum simulation of fermionic models with a superconducting circuit by Barends, R., Lamata, L., Kelly, J., García-Álvarez, L., Fowler, A. G., Megrant, A, Jeffrey, E, White, T. C., Sank, D., Mutus, J. Y., Campbell, B., Chen, Yu, Chen, Z., Chiaro, B., Dunsworth, A., Hoi, I.-C., Neill, C., O’Malley, P. J. J., Quintana, C., Roushan, P., Vainsencher, A., Wenner, J., Solano, E., Martinis, John M.

“…One of the key applications of quantum information is simulating nature. Fermions are ubiquitous in nature, appearing in condensed matter systems, chemistry…”
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Traveling wave parametric amplifier with Josephson junctions using minimal resonator phase matching by White, T. C., Mutus, J. Y., Hoi, I.-C., Barends, R., Campbell, B., Chen, Yu, Chen, Z., Chiaro, B., Dunsworth, A., Jeffrey, E., Kelly, J., Megrant, A., Neill, C., O'Malley, P. J. J., Roushan, P., Sank, D., Vainsencher, A., Wenner, J., Chaudhuri, S., Gao, J., Martinis, John M.

“…Josephson parametric amplifiers have become a critical tool in superconducting device physics due to their high gain and quantum-limited noise. Traveling wave…”
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Preserving entanglement during weak measurement demonstrated with a violation of the Bell–Leggett–Garg inequality by White, T C, Mutus, J Y, Dressel, J, Kelly, J, Barends, R, Jeffrey, E, Sank, D, Megrant, A, Campbell, B, Chen, Yu, Chen, Z, Chiaro, B, Dunsworth, A, Hoi, I-C, Neill, C, O’Malley, P J J, Roushan, P, Vainsencher, A, Wenner, J, Korotkov, A N, Martinis, John M

“…Weak measurement has provided new insight into the nature of quantum measurement, by demonstrating the ability to extract average state information without…”
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Design and characterization of a lumped element single-ended superconducting microwave parametric amplifier with on-chip flux bias line by Mutus, J. Y., White, T. C., Jeffrey, E., Sank, D., Barends, R., Bochmann, J., Chen, Yu, Chen, Z., Chiaro, B., Dunsworth, A., Kelly, J., Megrant, A., Neill, C., O'Malley, P. J. J., Roushan, P., Vainsencher, A., Wenner, J., Siddiqi, I., Vijay, R., Cleland, A. N., Martinis, John M.

“…We demonstrate a lumped-element Josephson parametric amplifier, using a single-ended design that includes an on-chip, high-bandwidth flux bias line. The…”
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