Search Results - "Lehnert, W."

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  1. 1

    Cavity Quantum Acoustic Device in the Multimode Strong Coupling Regime by Moores, Bradley A, Sletten, Lucas R, Viennot, Jeremie J, Lehnert, K W

    Published in Physical review letters (01-06-2018)
    “…We demonstrate an acoustical analog of a circuit quantum electrodynamics system that leverages acoustic properties to enable strong multimode coupling in the…”
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  2. 2

    Resolving Phonon Fock States in a Multimode Cavity with a Double-Slit Qubit by Sletten, L. R., Moores, B. A., Viennot, J. J., Lehnert, K. W.

    Published in Physical review. X (01-06-2019)
    “…We resolve phonon number states in the spectrum of a superconducting qubit coupled to a multimode acoustic cavity. Crucial to this resolution is the sharp…”
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  3. 3

    Phonon-Number-Sensitive Electromechanics by Viennot, J J, Ma, X, Lehnert, K W

    Published in Physical review letters (02-11-2018)
    “…We use the strong intrinsic nonlinearity of a microwave superconducting qubit with a 4 GHz transition frequency to directly detect and control the energy of a…”
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  4. 4

    Coherent state transfer between itinerant microwave fields and a mechanical oscillator by Palomaki, T. A., Harlow, J. W., Teufel, J. D., Simmonds, R. W., Lehnert, K. W.

    Published in Nature (London) (14-03-2013)
    “…The state of an itinerant microwave field can be coherently transferred into, stored in and retrieved from a mechanical oscillator with amplitudes at the…”
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  5. 5

    Bilayer CrN/Cr coating-modified 316L stainless steel bipolar plates for high temperature polymer electrolyte fuel cells by Li, R, Cai, Y, Wippermann, K, Lehnert, W

    Published in Journal of Power Sources (15-09-2019)
    “…In this work, a bilayer CrN/Cr coating was deposited on the surface of a 0.1 mm-thick SS316L specimen with a size of 60 × 60 mm by means of a reactive…”
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  6. 6

    Bidirectional and efficient conversion between microwave and optical light by Andrews, R. W., Peterson, R. W., Purdy, T. P., Cicak, K., Simmonds, R. W., Regal, C. A., Lehnert, K. W.

    Published in Nature physics (01-04-2014)
    “…Converting low-frequency electrical signals into much higher-frequency optical signals has enabled modern communication networks to leverage the strengths of…”
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  7. 7

    Performance and degradation of an SOEC stack with different cell components by Yan, Y., Fang, Q., Blum, L., Lehnert, W.

    Published in Electrochimica acta (20-12-2017)
    “…High temperature water electrolysis with solid oxide electrolysis cells (SOECs) is a promising method for hydrogen production. In order to study the…”
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  8. 8

    Laser Cooling of a Micromechanical Membrane to the Quantum Backaction Limit by Peterson, R W, Purdy, T P, Kampel, N S, Andrews, R W, Yu, P-L, Lehnert, K W, Regal, C A

    Published in Physical review letters (12-02-2016)
    “…The radiation pressure of light can act to damp and cool the vibrational motion of a mechanical resonator, but even if the light field has no thermal…”
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  9. 9

    Sideband cooling of micromechanical motion to the quantum ground state by Teufel, J. D., Donner, T., Li, Dale, Harlow, J. W., Allman, M. S., Cicak, K., Sirois, A. J., Whittaker, J. D., Lehnert, K. W., Simmonds, R. W.

    Published in Nature (London) (21-07-2011)
    “…Micromechanical motion grounded It has been a long-standing goal in the field of cavity optomechanics to cool down a mechanical resonator to its motional…”
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  10. 10

    Entangling Mechanical Motion with Microwave Fields by Palomaki, T. A., Teufel, J. D., Simmonds, R. W., Lehnert, K. W.

    “…When two physical systems share the quantum property of entanglement, measurements of one system appear to determine the state of the other. This peculiar…”
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  11. 11

    Deterministic entanglement of superconducting qubits by parity measurement and feedback by Ristè, D., Dukalski, M., Watson, C. A., de Lange, G., Tiggelman, M. J., Blanter, Ya. M., Lehnert, K. W., Schouten, R. N., DiCarlo, L.

    Published in Nature (London) (17-10-2013)
    “…A time-resolved, continuous parity measurement of two superconducting qubits in a three-dimensional circuit quantum electrodynamics architecture is reported;…”
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  12. 12
  13. 13

    Feedback control of a solid-state qubit using high-fidelity projective measurement by Ristè, D, Bultink, C C, Lehnert, K W, DiCarlo, L

    Published in Physical review letters (10-12-2012)
    “…We demonstrate feedback control of a superconducting transmon qubit using discrete, projective measurement and conditional coherent driving. Feedback realizes…”
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  14. 14

    A review of cell-scale multiphase flow modeling, including water management, in polymer electrolyte fuel cells by Andersson, M., Beale, S.B., Espinoza, M., Wu, Z., Lehnert, W.

    Published in Applied energy (15-10-2016)
    “…•The transport expressions inside PEFC GDLs are developed to describe significantly different systems.•Insight into the fundamental processes of liquid water…”
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  15. 15

    Widely Tunable On-Chip Microwave Circulator for Superconducting Quantum Circuits by Chapman, Benjamin J., Rosenthal, Eric I., Kerckhoff, Joseph, Moores, Bradley A., Vale, Leila R., Mates, J. A. B., Hilton, Gene C., Lalumière, Kevin, Blais, Alexandre, Lehnert, K. W.

    Published in Physical review. X (22-11-2017)
    “…We report on the design and performance of an on-chip microwave circulator with a widely (GHz) tunable operation frequency. Nonreciprocity is created with a…”
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  16. 16

    Non-classical energy squeezing of a macroscopic mechanical oscillator by Ma, X., Viennot, J. J., Kotler, S., Teufel, J. D., Lehnert, K. W.

    Published in Nature physics (01-03-2021)
    “…Optomechanics and electromechanics have made it possible to prepare macroscopic mechanical oscillators in their quantum ground states 1 , in…”
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  17. 17

    Faithful conversion of propagating quantum information to mechanical motion by Reed, A. P., Mayer, K. H., Teufel, J. D., Burkhart, L. D., Pfaff, W., Reagor, M., Sletten, L., Ma, X., Schoelkopf, R. J., Knill, E., Lehnert, K. W.

    Published in Nature physics (01-12-2017)
    “…Combining micrometre-sized mechanical resonators with superconducting quantum circuits, quantum information encoded with photons now can be converted to the…”
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  18. 18

    First Results from a Microwave Cavity Axion Search at 24  μeV by Brubaker, B M, Zhong, L, Gurevich, Y V, Cahn, S B, Lamoreaux, S K, Simanovskaia, M, Root, J R, Lewis, S M, Al Kenany, S, Backes, K M, Urdinaran, I, Rapidis, N M, Shokair, T M, van Bibber, K A, Palken, D A, Malnou, M, Kindel, W F, Anil, M A, Lehnert, K W, Carosi, G

    Published in Physical review letters (09-02-2017)
    “…We report on the first results from a new microwave cavity search for dark matter axions with masses above 20  μeV. We exclude axion models with two-photon…”
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  19. 19

    Experimental Constraint on Axionlike Particles over Seven Orders of Magnitude in Mass by Roussy, Tanya S, Palken, Daniel A, Cairncross, William B, Brubaker, Benjamin M, Gresh, Daniel N, Grau, Matt, Cossel, Kevin C, Ng, Kia Boon, Shagam, Yuval, Zhou, Yan, Flambaum, Victor V, Lehnert, Konrad W, Ye, Jun, Cornell, Eric A

    Published in Physical review letters (30-04-2021)
    “…We use our recent electric dipole moment (EDM) measurement data to constrain the possibility that the HfF^{+} EDM oscillates in time due to interactions with…”
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  20. 20

    Millisecond charge-parity fluctuations and induced decoherence in a superconducting transmon qubit by Ristè, D., Bultink, C. C., Tiggelman, M. J., Schouten, R. N., Lehnert, K. W., DiCarlo, L.

    Published in Nature communications (28-05-2013)
    “…The tunnelling of quasiparticles across Josephson junctions in superconducting quantum circuits is an intrinsic decoherence mechanism for qubit degrees of…”
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