Search Results - "Lehnert, K"

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

“…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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Hybrid quantum systems with circuit quantum electrodynamics by Clerk, A. A., Lehnert, K. W., Bertet, P., Petta, J. R., Nakamura, Y.

“…The rise of quantum information science has provided new perspectives on quantum mechanics, as well as a common language for quantum engineering. The focus on…”
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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.

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

“…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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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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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.

“…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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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

“…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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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.

“…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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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.

“…A time-resolved, continuous parity measurement of two superconducting qubits in a three-dimensional circuit quantum electrodynamics architecture is reported;…”
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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.

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

“…Optomechanics and electromechanics have made it possible to prepare macroscopic mechanical oscillators in their quantum ground states 1 , in…”
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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

“…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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Measuring nanomechanical motion with a microwave cavity interferometer by Lehnert, K. W, Regal, C. A, Teufel, J. D

“…A mechanical resonator is a physicist’s most tangible example of a harmonic oscillator. With the advent of micro and nanoscale mechanical resonators,…”
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Measuring a topological transition in an artificial spin-1/2 system by Schroer, M D, Kolodrubetz, M H, Kindel, W F, Sandberg, M, Gao, J, Vissers, M R, Pappas, D P, Polkovnikov, Anatoli, Lehnert, K W

“…We present measurements of a topological property, the Chern number (C_{1}), of a closed manifold in the space of two-level system Hamiltonians, where the…”
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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.

“…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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Harnessing electro-optic correlations in an efficient mechanical converter by Higginbotham, A. P., Burns, P. S., Urmey, M. D., Peterson, R. W., Kampel, N. S., Brubaker, B. M., Smith, G., Lehnert, K. W., Regal, C. A.

“…An optical network of superconducting quantum bits (qubits) is an appealing platform for quantum communication and distributed quantum computing, but…”
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Feedback control of a solid-state qubit using high-fidelity projective measurement by Ristè, D, Bultink, C C, Lehnert, K W, DiCarlo, L

“…We demonstrate feedback control of a superconducting transmon qubit using discrete, projective measurement and conditional coherent driving. Feedback realizes…”
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Nanomechanical motion measured with an imprecision below that at the standard quantum limit by Lehnert, K. W, Teufel, J. D, Donner, T, Castellanos-Beltran, M. A, Harlow, J. W

“…Nanomechanical oscillators are at the heart of ultrasensitive detectors of force 1 , mass 2 and motion 3 , 4 , 5 , 6 , 7 . As these detectors progress to even…”
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Squeezed Vacuum Used to Accelerate the Search for a Weak Classical Signal by Malnou, M., Palken, D. A., Brubaker, B. M., Vale, Leila R., Hilton, Gene C., Lehnert, K. W.

“…Many experiments that interrogate fundamental theories require detectors whose sensitivities are limited by the laws of quantum mechanics. In cavity-based…”
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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.

“…Combining micrometre-sized mechanical resonators with superconducting quantum circuits, quantum information encoded with photons now can be converted to the…”
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