Scientific Publications

Displaying 1 - 73 of 73

2021

Experimental Constraint on Axion-like Particle Coupling over Seven Orders of Magnitude in Mass
T. S. Roussy, Palken, D. A., Cairncross, W., Brubaker, B. M., Gresh, D. N., Grau, M., Cossel, K. C., Ng, K., Shagam, Y., Zhou, Y., Flambaum, V. V., Lehnert, K. W., Ye, J., and Cornell, E. A., Phys. Rev. Lett. 126, 171301 (2021).
PDF | 10.1103/PhysRevLett.126.171301 | View Record
Artistic vision of the squeezed state receiver.
Efficient and Low-Backaction Quantum Measurement Using a Chip-Scale Detector
E. I. Rosenthal, Schneider, C. M. F., Malnou, M., Zhao, Z., Leditzky, F., Chapman, B. J., Wustmann, W., Ma, X., Palken, D. A., Zanner, M. F., Vale, L. R., Hilton, G. C., Gao, J., Smith, G., Kirchmair, G., and Lehnert, K. W., Physical Review Letters 126, (2021).
10.1103/physrevlett.126.090503 | View Record
A quantum enhanced search for dark matter axions
K. M. Backes, Palken, D. A., Kenany, A., Brubaker, B. M., Cahn, S. B., Droster, A., Hilton, G. C., Ghosh, S., Jackson, H., Lamoreaux, S. K., Leder, A. F., Lehnert, K. W., Lewis, S. M., Malnou, M., Maruyama, R. H., Rapidis, N. M., Simanovskaia, M., Singh, S., Speller, D. H., Urdinaran, I., Vale, L. R., van Assendelft, E. C., van Bibber, K., and Wang, H., Nature 590, 238-242 (2021).
10.1038/s41586-021-03226-7 | View Record
Non-classical energy squeezing of a macroscopic mechanical oscillator
X. Ma, Viennot, J. J., Kotler, S., Teufel, J. D., and Lehnert, K. W., Nature Physics 17, 322-326 (2021).
10.1038/s41567-020-01102-1 | View Record

2020

Improved analysis framework for axion dark matter searches
D. A. Palken, Brubaker, B. M., Malnou, M., Kenany, A., Backes, K. M., Cahn, S. B., Gurevich, Y. V., Lamoreaux, S. K., Lewis, S. M., Maruyama, R. H., Rapidis, N. M., Root, J. R., Simanovskaia, M., Shokair, T. M., Singh, S., Speller, D. H., Urdinaran, I., van Bibber, K., Zhong, L., and Lehnert, K. W., Physical Review D 101, 123011 (2020).
10.1103/physrevd.101.123011 | View Record
Hybrid quantum systems with circuit quantum electrodynamics
A. A. Clerk, Lehnert, K. W., Bertet, P., Petta, J. R., and Nakamura, Y., Nature Physics 16, 257-267 (2020).
10.1038/s41567-020-0797-9 | View Record

2019

Measurement of Motion beyond the Quantum Limit by Transient Amplification
R. Delaney, Reed, A. P., Andrews, R. W., and Lehnert, K. W., Physical Review Letters 123, 183603 (2019).
10.1103/PhysRevLett.123.183603 | View Record
Resolving Phonon Fock States in a Multimode Cavity with a Double-Slit Qubit
L. R. Sletten, Moores, B., Viennot, J. J., and Lehnert, K. W., Physical Review X 9, (2019).
10.1103/PhysRevX.9.021056 | View Record
Putting the squeeze on axions
K. van Bibber, Lehnert, K. W., and Chou, A., Physics Today 72, 48-55 (2019).
10.1063/PT.3.4227 | View Record
Squeezed Vacuum Used to Accelerate the Search for a Weak Classical Signal
M. Malnou, Palken, D. A., Brubaker, B. M., Vale, L. R., Hilton, G. C., and Lehnert, K. W., Physical Review X 9, 021023 (2019).
10.1103/PhysRevX.9.021023 | View Record
Design of an On-Chip Superconducting Microwave Circulator with Octave Bandwidth
B. J. Chapman, Rosenthal, E. I., and Lehnert, K. W., Physical Review Applied 11, 044048 (2019).
10.1103/PhysRevApplied.11.044048 | View Record

2018

Phonon-Number-Sensitive Electromechanics
J. J. Viennot, Ma, X., and Lehnert, K. W., Physical Review Letters 121, (2018).
10.1103/PhysRevLett.121.183601 | View Record
Harnessing electro-optic correlations in an efficient mechanical converter
A. P. Higginbotham, Burns, P. S., Urmey, M. D., Peterson, R. W., Kampel, N. S., Brubaker, B. M., Smith, G., Lehnert, K. W., and Regal, C. A., Nature Physics 7, (2018).
10.1038/s41567-018-0210-0 | View Record
Topological phase transition measured in a dissipative metamaterial
E. I. Rosenthal, Ehrlich, N. K., Rudner, M. S., Higginbotham, A. P., and Lehnert, K. W., Physical Review B 97, (2018).
10.1103/PhysRevB.97.220301 | View Record
Cavity Quantum Acoustic Device in the Multimode Strong Coupling Regime
B. A. Moores, Sletten, L. R., Viennot, J. J., and Lehnert, K. W., Physical Review Letters 120, (2018).
10.1103/PhysRevLett.120.227701 | View Record
Results from phase 1 of the HAYSTAC microwave cavity axion experiment
L. Zhong, Kenany, A., Backes, M., Brubaker, B. M., Cahn, S. B., Carosi, G., Gurevich, Y. V., Kindel, F., Lamoreaux, K., Lehnert, K. W., Lewis, M., Malnou, M., Maruyama, H., Palken, D. A., Rapidis, N. M., Root, R., Simanovskaia, M., Shokair, T. M., Speller, H., Urdinaran, I., and van Bibber, A., Physical Review D 9731, (2018).
10.1103/PhysRevD.97.092001 | View Record
Optimal Operation of a Josephson Parametric Amplifier for Vacuum Squeezing
M. Malnou, Palken, D. A., Vale, L. R., Hilton, G. C., and Lehnert, K. W., Physical Review Applied 9, (2018).
10.1103/PhysRevApplied.9.044023 | View Record

2017

Widely Tunable On-Chip Microwave Circulator for Superconducting Quantum Circuits
B. J. Chapman, Rosenthal, E. I., Kerckhoff, J., Moores, B. A., Vale, L. R., Mates, A. B., Hilton, G. C., Lalumière, K., Blais, A., and Lehnert, K. W., Physical Review X 7, (2017).
10.1103/PhysRevX.7.041043 | View Record
Breaking Lorentz Reciprocity with Frequency Conversion and Delay
E. I. Rosenthal, Chapman, B. J., Higginbotham, A. P., Kerckhoff, J., and Lehnert, K. W., Physical Review Letters 119431, 147703 (2017).
10.1103/PhysRevLett.119.147703 | View Record
Faithful conversion of propagating quantum information to mechanical motion
A. P. Reed, Mayer, K. H., Teufel, J. D., Burkhart, L. D., Pfaff, W., Reagor, M., Sletten, L. R., Ma, X., Schoelkopf, R. J., Knill, E., and Lehnert, K. W., Nature Physics 13, (2017).
10.1038/nphys4251 | View Record
Reconfigurable re-entrant cavity for wireless coupling to an electro-optomechanical device
T. Menke, Burns, P. S., Higginbotham, A. P., Kampel, N. S., Peterson, R. W., Cicak, K., Simmonds, R. W., Regal, C. A., and Lehnert, K. W., Review Of Scientific Instruments 88, (2017).
10.1063/1.5000973 | View Record
Design and operational experience of a microwave cavity axion detector for the 20 - 100 μeV range
A. Kenany, Anil, M. A., Backes, K. M., Brubaker, B. M., Cahn, S. B., Carosi, G., Gurevich, Y. V., Kindel, W. F., Lamoreaux, S. K., Lehnert, K. W., Lewis, S. M., Malnou, M., Palken, D. A., Rapidis, N. M., Root, J. R., Simanovskaia, M., Shokair, T. M., Urdinaran, I., van Bibber, K., and Zhong, L., Nuclear Instruments And Methods In Physics Research Section A: Accelerators, Spectrometers, Detectors And Associated Equipment 854, 11-24 (2017).
10.1016/j.nima.2017.02.012 | View Record
Improving Broadband Displacement Detection with Quantum Correlations
N. S. Kampel, Peterson, W., Fischer, R., Yu, P. -L., Cicak, K., Simmonds, W., Lehnert, K. W., and Regal, C. A., Physical Review X 7, 021008 (2017).
10.1103/PhysRevX.7.021008 | View Record
Single-sideband modulator for frequency domain multiplexing of superconducting qubit readout
B. J. Chapman, Rosenthal, E. I., Kerckhoff, J., Vale, L. R., Hilton, G. C., and Lehnert, K. W., Applied Physics Letters 110, 162601 (2017).
10.1063/1.4981390 | View Record
First Results from a Microwave Cavity Axion Search at 24 μ eV
B. M. Brubaker, Zhong, L., Gurevich, Y. V., Cahn, S. B., Lamoreaux, S. K., Simanovskaia, M., Root, J. R., Lewis, M., Kenany, A., Backes, M., Urdinaran, I., Rapidis, N. M., Shokair, T. M., van Bibber, K., Palken, D. A., Malnou, M., Kindel, W. F., Anil, A., Lehnert, K. W., and Carosi, G., Physical Review Letters 118, 061302 (2017).
10.1103/PhysRevLett.118.061302 | View Record

2016

General purpose multiplexing device for cryogenic microwave systems
B. J. Chapman, Moores, B. A., Rosenthal, E. I., Kerckhoff, J., and Lehnert, K. W., Applied Physics Letters 108, 222602 (2016).
10.1063/1.4952772 | View Record
Generation and efficient measurement of single photons from fixed-frequency superconducting qubits
W. F. Kindel, Schroer, M. D., and Lehnert, K. W., Physical Review A 93, 033817 (2016).
10.1103/PhysRevA.93.033817 | View Record
Laser Cooling of a Micromechanical Membrane to the Quantum Backaction Limit
R. W. Peterson, Purdy, T. P., Kampel, N. S., Andrews, R. W., Yu, P. -L., Lehnert, K. W., and Regal, C. A., Physical Review Letters 116, 063601 (2016).
10.1103/PhysRevLett.116.063601 | View Record
Highlights
Editor's Suggestion
Proposal to Test Bell's Inequality in Electromechanics
S. G. Hofer, Lehnert, K. W., and Hammerer, K., Physical Review Letters 116, 070406 (2016).
10.1103/PhysRevLett.116.070406 | View Record
Closing a quantum feedback loop inside a cryostat: Autonomous state preparation and long-time memory of a superconducting qubit
C. K. Andersen, Kerckhoff, J., Lehnert, K. W., Chapman, B. J., and Molmer, K., Physical Review A 93, 012346 (2016).
10.1103/PhysRevA.93.012346 | View Record

2015

Quantum-enabled temporal and spectral mode conversion of microwave signals
R. W. Andrews, Reed, A. P., Cicak, K., Teufel, J. D., and Lehnert, K. W., Nature Communications 6, 10021 (2015).
10.1038/ncomms10021 | View Record
On-Chip Superconducting Microwave Circulator from Synthetic Rotation
J. Kerckhoff, Lalumière, K., Chapman, B. J., Blais, A., and Lehnert, K. W., Physical Review Applied 4, (2015).
10.1103/PhysRevApplied.4.034002 | View Record
Generating and verifying entangled itinerant microwave fields with efficient and independent measurements
H. S. Ku, Kindel, W. F., Mallet, F., Glancy, S., Irwin, K. D., Hilton, G. C., Vale, L. R., and Lehnert, K. W., Physical Review A 91, 042305 (2015).
10.1103/PhysRevA.91.042305 | View Record
Connecting microwave and optical frequencies with a vibrational degree of freedom
R. W. Anderson, Peterson, R. W., Purdy, T. P., Cicak, K., Simmonds, R. W., Regal, C. A., and Lehnert, K. W., in Unknown (SPIE, San Francisco, California, United States, 2015).
10.1117/12.2082941 | View Record

2014

Future directions in the microwave cavity search for dark matter axions
T. M. Shokair, Root, J. R., van Bibber, K., Brubaker, B. M., Gurevich, Y. V., Cahn, S. B., Lamoreaux, S. K., Anil, M. A., Lehnert, K. W., Mitchell, B. K., Reed, A. P., and Carosi, G., International Journal Of Modern Physics A 29, 1443004 (2014).
10.1142/S0217751X14430040 | View Record
Measuring a Topological Transition in an Artificial Spin-1/2 System
M. D. Schroer, Kolodrubetz, M. H., Kindel, W. F., Sandberg, M., Gao, J., Vissers, M. R., Pappas, D. P., Polkovnikov, A., and Lehnert, K. W., Physical Review Letters 113, 050402 (2014).
10.1103/PhysRevLett.113.050402 | View Record
Bidirectional and efficient conversion between microwave and optical light
R. W. Anderson, Peterson, R. W., Purdy, T. P., Cicak, K., Simmonds, R. W., Regal, C. A., and Lehnert, K. W., Nature Physics 10, 321-326 (2014).
10.1038/nphys2911 | View Record

2013

Deterministic entanglement of superconducting qubits by parity measurement and feedback
D. Ristè, Dukalski, M., Watson, C. A., de Lange, G., Tiggelman, M. J., Blanter, Y. M., Lehnert, K. W., Schouten, R. N., and DiCarlo, L., Nature 502, 350-354 (2013).
10.1038/nature12513 | View Record
Entangling Mechanical Motion with Microwave Fields
T. A. Palomaki, Teufel, J. D., Simmonds, R. W., and Lehnert, K. W., Science 342, 710-713 (2013).
10.1126/science.1244563 | View Record
Analysis of single-photon and linear amplifier detectors for microwave cavity dark matter axion searches
S. K. Lamoreaux, van Bibber, K., Lehnert, K. W., and Carosi, G., Physical Review D 88, 035020 (2013).
10.1103/PhysRevD.88.035020 | View Record
Tunable Coupling to a Mechanical Oscillator Circuit Using a Coherent Feedback Network
J. Kerckhoff, Anderson, R. W., Ku, H. -S., Kindel, W. F., Cicak, K., Simmonds, R. W., and Lehnert, K. W., Physical Review X 3, 021013 (2013).
10.1103/PhysRevX.3.021013 | View Record
Mechanical resonators for storage and transfer of electrical and optical quantum states
S. A. McGee, Meiser, D., Regal, C. A., Lehnert, K. W., and Holland, M. J., Physical Review A 87, 053818 (2013).
10.1103/PhysRevA.87.053818 | View Record
Millisecond charge-parity fluctuations and induced decoherence in a superconducting transmon qubit
D. Ristè, Bultink, C. C., Tiggelman, M. J., Schouten, R. N., Lehnert, K. W., and DiCarlo, L., Nature Communications 4, 1913 (2013).
10.1038/ncomms2936 | View Record
Coherent state transfer between itinerant microwave fields and a mechanical oscillator
T. A. Palomaki, Harlow, J. W., Teufel, J. D., Simmonds, R. W., and Lehnert, K. W., Nature 495, 210-214 (2013).
10.1038/nature11915 | View Record

2012

Feedback Control of a Solid-State Qubit Using High-Fidelity Projective Measurement
D. Ristè, Bultink, C. C., Lehnert, K. W., and DiCarlo, L., Physical Review Letters 109, 240502 (2012).
10.1103/PhysRevLett.109.240502 | View Record
Superconducting Microwave Multivibrator Produced by Coherent Feedback
J. Kerckhoff and Lehnert, K. W., Physical Review Letters 109, 153602 (2012).
10.1103/PhysRevLett.109.153602 | View Record
Initialization by Measurement of a Superconducting Quantum Bit Circuit
D. Ristè, van Leeuwen, J., Ku, H. -S., Lehnert, K. W., and DiCarlo, L., Physical Review Letters 109, 050507 (2012).
10.1103/PhysRevLett.109.050507 | View Record
Flux-Ramp Modulation for SQUID Multiplexing
J. A. B. Mates, Irwin, K. D., Vale, L. R., Hilton, G. C., Gao, J., and Lehnert, K. W., Journal Of Low Temperature Physics 167, 707-712 (2012).
10.1007/s10909-012-0518-6 | View Record

2011

Non-contact and all-electrical method for monitoring the motion of semiconducting nanowires
S. W. Hoch, Montague, J. R., Bright, V. M., Rogers, C. T., Bertness, K. A., Teufel, J. D., and Lehnert, K. W., Applied Physics Letters 99, 053101 (2011).
10.1063/1.3614562 | View Record
Sideband cooling of micromechanical motion to the quantum ground state
J. D. Teufel, Donner, T., Li, D., Harlow, J. W., Allman, M. S., Cicak, K., Sirois, A. J., Whittaker, J. D., Lehnert, K. W., and Simmonds, R. W., Nature 475, 359-363 (2011).
10.1038/nature10261 | View Record
Design and Testing of Superconducting Microwave Passive Components for Quantum Information Processing
H. -S. Ku, Mallet, F., Vale, L. R., Irwin, K. D., Russek, S. E., Hilton, G. C., and Lehnert, K. W., Ieee Transactions On Applied Superconductivity 21, 452-455 (2011).
10.1109/TASC.2010.2089403 | View Record
Quantum State Tomography of an Itinerant Squeezed Microwave Field
F. Mallet, Castellanos-Beltran, M. A., Ku, H. -S., Glancy, S., Knill, E., Irwin, K. D., Hilton, G. C., Vale, L. R., and Lehnert, K. W., Physical Review Letters 106, 220502 (2011).
10.1103/PhysRevLett.106.220502 | View Record
Strongly quadrature-dependent noise in superconducting microresonators measured at the vacuum-noise limit
J. Gao, Vale, L. R., Mates, J. A. B., Schmidt, D. R., Hilton, G. C., Irwin, K. D., Mallet, F., Castellanos-Beltran, M. A., Lehnert, K. W., Zmuidzinas, J., and Leduc, H. G., Applied Physics Letters 98, 232508 (2011).
10.1063/1.3597156 | View Record
From cavity electromechanics to cavity optomechanics
C. A. Regal and Lehnert, K. W., Journal Of Physics: Conference Series 264, 012025 (2011).
10.1088/1742-6596/264/1/012025 | View Record

2009

Nanomechanical motion measured with an imprecision below that at the standard quantum limit
J. D. Teufel, Donner, T., Castellanos-Beltran, M. A., Harlow, J. W., and Lehnert, K. W., Nature Nanotechnology 4, 820-823 (2009).
10.1038/nnano.2009.343 | View Record
Bandwidth and Dynamic Range of a Widely Tunable Josephson Parametric Amplifier
M. A. Castellanos-Beltran, Irwin, K. D., Vale, L. R., Hilton, G. C., and Lehnert, K. W., Ieee Transactions On Applied Superconductivity 19, 944-947 (2009).
10.1109/TASC.2009.2018119 | View Record

2008

Amplification and squeezing of quantum noise with a tunable Josephson metamaterial
M. A. Castellanos-Beltran, Irwin, K. D., Hilton, G. C., Vale, L. R., and Lehnert, K. W., Nature Physics 4, 929-931 (2008).
10.1038/nphys1090 | View Record
Dynamical Backaction of Microwave Fields on a Nanomechanical Oscillator
J. D. Teufel, Harlow, J. W., Regal, C. A., and Lehnert, K. W., Physical Review Letters 101, (2008).
10.1103/PhysRevLett.101.197203 | View Record
Prospects for cooling nanomechanical motion by coupling to a superconducting microwave resonator
J. D. Teufel, Regal, C. A., and Lehnert, K. W., New Journal Of Physics 10, 095002 (2008).
10.1088/1367-2630/10/9/095002 | View Record
Measuring nanomechanical motion with a microwave cavity interferometer
C. A. Regal, Teufel, J. D., and Lehnert, K. W., Nature Physics 4, 555-560 (2008).
10.1038/nphys974 | View Record
Demonstration of a multiplexer of dissipationless superconducting quantum interference devices
J. A. B. Mates, Hilton, G. C., Irwin, K. D., Vale, L. R., and Lehnert, K. W., Applied Physics Letters 92, 023514 (2008).
10.1063/1.2803852 | View Record

2007

Widely tunable parametric amplifier based on a superconducting quantum interference device array resonator
M. A. Castellanos-Beltran and Lehnert, K. W., Applied Physics Letters 91, 083509 (2007).
10.1063/1.2773988 | View Record
Evaluation of a Microwave SQUID Multiplexer Prototype
K. W. Lehnert, Irwin, K. D., Castellanos-Beltran, M. A., Mates, J. A. B., and Vale, L. R., Ieee Transactions On Applied Superconductivity 17, 705-709 (2007).
10.1109/TASC.2007.898118 | View Record
Intrinsic Noise Properties of Atomic Point Contact Displacement Detectors
N. E. Flowers-Jacobs, Schmidt, D., and Lehnert, K. W., Physical Review Letters 98, (2007).
10.1103/PhysRevLett.98.096804 | View Record

2006

Microwave SQUID multiplexers for low-temperature detectors
K. D. Irwin, Beall, J. A., Doriese, W. B., Duncan, W. D., Hilton, G. C., Mates, J. A. B., Reintsema, C. D., Schmidt, D. R., Ullom, J. N., Vale, L. R., Zink, B. L., and Lehnert, K. W., Nuclear Instruments And Methods In Physics Research Section A: Accelerators, Spectrometers, Detectors And Associated Equipment 559, 802-804 (2006).
10.1016/j.nima.2005.12.144 | View Record
Normal metal-insulator-superconductor junction technology for bolometers
D. R. Schmidt, Duncan, W. D., Irwin, K. D., Lehnert, K. W., Miller, N. A., and Ullom, J. N., Nuclear Instruments And Methods In Physics Research Section A: Accelerators, Spectrometers, Detectors And Associated Equipment 559, 516-518 (2006).
10.1016/j.nima.2005.12.043 | View Record

2005

Single-electron transistor backaction on the single-electron box
B. Turek, Lehnert, K. W., Clerk, A. A., Gunnarsson, D., Bladh, K., Delsing, P., and Schoelkopf, R. J., Physical Review B 71, (2005).
10.1103/PhysRevB.71.193304 | View Record
A superconductor-insulator-normal metal bolometer with microwave readout suitable for large-format arrays
D. R. Schmidt, Lehnert, K. W., Clark, A., Duncan, W. D., Irwin, K. D., Miller, N., and Ullom, J. N., Applied Physics Letters 86, 053505 (2005).
10.1063/1.1855411 | View Record

2004

Microwave SQUID multiplexer
K. D. Irwin and Lehnert, K. W., Applied Physics Letters 85, 2107 (2004).
10.1063/1.1791733 | View Record
Noise performance of the radio-frequency single-electron transistor
R. J. Schoelkopf, Spietz, L., Lehnert, K. W., Roschier, L., Hakonen, P., Bladh, K., and Delsing, P., Journal Of Applied Physics 95, 1274 (2004).
10.1063/1.1635972 | View Record

2003

Quantum Charge Fluctuations and the Polarizability of the Single-Electron Box
K. W. Lehnert, Turek, B., Bladh, K., Spietz, L., Gunnarsson, D., Delsing, P., and Schoelkopf, R. J., Physical Review Letters 91, (2003).
10.1103/PhysRevLett.91.106801 | View Record
Primary Electronic Thermometry Using the Shot Noise of a Tunnel Junction
L. Spietz, Lehnert, K. W., Siddiqi, I., and Schoelkopf, R. J., Science 300, 1929-1932 (2003).
10.1126/science.1084647 | View Record
Measurement of the Excited-State Lifetime of a Microelectronic Circuit
K. W. Lehnert, Bladh, K., Spietz, L., Gunnarsson, D., Schuster, D., Delsing, P., and Schoelkopf, R. J., Physical Review Letters 90, (2003).
10.1103/PhysRevLett.90.027002 | View Record