Search Results - "Lecocq, F"

Control and readout of a superconducting qubit using a photonic link by Lecocq, F., Quinlan, F., Cicak, K., Aumentado, J., Diddams, S. A., Teufel, J. D.

“…Delivering on the revolutionary promise of a universal quantum computer will require processors with millions of quantum bits (qubits) 1 – 3 . In…”
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Demonstration of Efficient Nonreciprocity in a Microwave Optomechanical Circuit by Peterson, G. A., Lecocq, F., Cicak, K., Simmonds, R. W., Aumentado, J., Teufel, J. D.

“…The ability to engineer nonreciprocal interactions is an essential tool in modern communication technology as well as a powerful resource for building quantum…”
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Quantum Nondemolition Measurement of a Nonclassical State of a Massive Object by Lecocq, F, Clark, J B, Simmonds, R W, Aumentado, J, Teufel, J D

“…By coupling a macroscopic mechanical oscillator to two microwave cavities, we simultaneously prepare and monitor a nonclassical steady state of mechanical…”
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Resolving the vacuum fluctuations of an optomechanical system using an artificial atom by Lecocq, F., Teufel, J. D., Aumentado, J., Simmonds, R. W.

“…Vacuum fluctuations in a ground-state mechanical oscillator are hard to distinguish from noise, but by using the coupling with a superconducting qubit in a…”
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Mechanically Mediated Microwave Frequency Conversion in the Quantum Regime by Lecocq, F, Clark, J B, Simmonds, R W, Aumentado, J, Teufel, J D

“…We report the observation of efficient and low-noise frequency conversion between two microwave modes, mediated by the motion of a mechanical resonator…”
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Ultrastrong Parametric Coupling between a Superconducting Cavity and a Mechanical Resonator by Peterson, G A, Kotler, S, Lecocq, F, Cicak, K, Jin, X Y, Simmonds, R W, Aumentado, J, Teufel, J D

“…We present a new optomechanical device where the motion of a micromechanical membrane couples to a microwave resonance of a three-dimensional superconducting…”
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Overwhelming Thermomechanical Motion with Microwave Radiation Pressure Shot Noise by Teufel, J D, Lecocq, F, Simmonds, R W

“…We measure the fundamental noise processes associated with a continuous linear position measurement of a micromechanical membrane incorporated in a microwave…”
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Efficient Qubit Measurement with a Nonreciprocal Microwave Amplifier by Lecocq, F, Ranzani, L, Peterson, G A, Cicak, K, Jin, X Y, Simmonds, R W, Teufel, J D, Aumentado, J

“…The act of observing a quantum object fundamentally perturbs its state, resulting in a random walk toward an eigenstate of the measurement operator. Ideally,…”
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Coherent-state storage and retrieval between superconducting cavities using parametric frequency conversion by Sirois, A. J., Castellanos-Beltran, M. A., DeFeo, M. P., Ranzani, L., Lecocq, F., Simmonds, R. W., Teufel, J. D., Aumentado, J.

“…In superconducting quantum information, machined aluminum superconducting cavities have proven to be a well-controlled, low-dissipation electromagnetic…”
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Uncertainty in projected climate change arising from uncertain fossil-fuel emission factors by Quilcaille, Y, Gasser, T, Ciais, P, Lecocq, F, Janssens-Maenhout, G, Mohr, S

“…Emission inventories are widely used by the climate community, but their uncertainties are rarely accounted for. In this study, we evaluate the uncertainty in…”
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Experimental demonstration of Aharonov-Casher interference in a Josephson junction circuit by Pop, I. M., Douçot, B., Ioffe, L., Protopopov, I., Lecocq, F., Matei, I., Buisson, O., Guichard, W.

“…A neutral quantum particle with magnetic moment encircling a static electric charge acquires a quantum-mechanical phase (Aharonov-Casher effect). In…”
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Tunable resonant and nonresonant interactions between a phase qubit and LC resonator by Allman, M S, Whittaker, J D, Castellanos-Beltran, M, Cicak, K, da Silva, F, DeFeo, M P, Lecocq, F, Sirois, A, Teufel, J D, Aumentado, J, Simmonds, R W

“…We use a flux-biased radio frequency superconducting quantum interference device (rf SQUID) with an embedded flux-biased direct current SQUID to generate…”
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Measurement of the effect of quantum phase slips in a Josephson junction chain by Guichard, W, Pop, I. M, Peng, Z, Pannetier, B, Protopopov, I, Buisson, O, Lecocq, F

“…The interplay between superconductivity and Coulomb interactions has been studied for more than 20 years now. In low-dimensional systems, superconductivity…”
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Nonlinear coupling between the two oscillation modes of a dc SQUID by Lecocq, F, Claudon, J, Buisson, O, Milman, P

“…We make a detailed theoretical description of the two-dimensional nature of a dc SQUID, analyzing the coupling between its two orthogonal phase oscillation…”
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Quantum dynamics in a camelback potential of a dc SQUID by Hoskinson, E, Lecocq, F, Didier, N, Fay, A, Hekking, F W J, Guichard, W, Buisson, O, Dolata, R, Mackrodt, B, Zorin, A B

“…We investigate a quadratic-quartic anharmonic oscillator formed by a potential well between two potential barriers. We realize this novel potential with a dc…”
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Coherent frequency conversion in a superconducting artificial atom with two internal degrees of freedom by Lecocq, F, Pop, I M, Matei, I, Dumur, E, Feofanov, A K, Naud, C, Guichard, W, Buisson, O

“…By adding a large inductance in a dc-SQUID phase qubit loop, one decouples the junctions' dynamics and creates a superconducting artificial atom with two…”
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Strong tunable coupling between a superconducting charge and phase qubit by Fay, A, Hoskinson, E, Lecocq, F, Lévy, L P, Hekking, F W J, Guichard, W, Buisson, O

“…We have realized a tunable coupling over a large frequency range between an asymmetric Cooper pair transistor (charge qubit) and a dc SQUID (phase qubit). Our…”
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Tunable-cavity QED with phase qubits by Whittaker, J. D., da Silva, F. C. S., Allman, M. S., Lecocq, F., Cicak, K., Sirois, A. J., Teufel, J. D., Aumentado, J., Simmonds, R. W.

“…We describe a tunable-cavity quantum electrodynamics (QED) architecture with an rf SQUID phase qubit inductively coupled to a single-mode, resonant cavity with…”
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Quantum dynamics of superconducting nano-circuits: phase qubit, charge qubit and rhombi chains by Buisson, O., Guichard, W., Hekking, F. W. J., Lévy, L., Pannetier, B., Dolata, R., Zorin, A. B., Didier, N., Fay, A., Hoskinson, E., Lecocq, F., Peng, Z. H., Pop, I. M.

“…We have studied different quantum dynamics of superconducting nano-circuits with Josephson junctions. A dc SQUID, when it is strongly decoupled from the…”
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A rapid miniprep method for the preparation of yeast mitochondrial DNA by DEFONTAINE, A, LECOCQ, F. M, HALLET, J. N

“…We present a rapid, simple and inexpensive miniprep method which requires no more than usual bench equipment and which gives reliable results for the routine…”
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