Scientific Publications
Displaying 1 - 84 of 84
2024
Stable optomechanical Fabry-Pérot architecture in a continuous microwave-to-optical transducer
Urmey M., S. Mittal, K. Adachi, L. Talamo, S. Dickson, S.-X. Lin, R. Delaney, B.M. Brubaker, J. Kindem, N. Frattini, and K.W. Lehnert, Spie Quantum West 12911, 1291109 (2024).
2023
Integrating planar circuits with superconducting 3D microwave cavities using tunable low-loss couplers
Zhao Z., E. Gurra, E.I. Rosenthal, L.R. Vale, G.C. Hilton, and K.W. Lehnert, Applied Physics Letters 123, 014001 (2023).
New results from HAYSTAC s phase II operation with a squeezed state receiver
Jewell M., A.F. Leder, K.M. Backes, X. Bai, K. van Bibber, B. Brubaker, S.B. Cahn, A. Droster, M. Esmat, S. Ghosh, and E. Graham, Phys. Rev. D 107, 072007 (2023).
Accelerated Weak Signal Search Using Mode Entanglement and State Swapping
Jiang Y., E.P. Ruddy, K.O. Quinlan, M. Malnou, N.E. Frattini, and K.W. Lehnert, Prx Quantum 4, 020302 (2023).
Annealing reduces Si3N4 microwave-frequency dielectric loss in superconducting resonators
Mittal S., K. Adachi, N. Frattini, M. Urmey, S.-X. Lin, A. Emser, C. Metzger, L. Talamo, S. Dickson, D. Carlson, and S. Papp, Submitted (2023).
2022
Minimally diffracting quartz for ultra-low temperature surface acoustic wave resonators
Emser A., B. Rose, L. Sletten, A. Sanchez, and K. Lehnert, Applied Physics Letters 121, 224001 (2022).
Highlights
Editor's pick
Optomechanical Ground-State Cooling in a Continuous and Efficient Electro-Optic Transducer
Brubaker B.M., J. Kindem, M. Urmey, S. Mittal, R. Delaney, P.S. Burns, M.R. Vissers, K.W. Lehnert, and C.A. Regal, Phys. Rev. X 12, 021062 (2022).
Superconducting-qubit readout via low-backaction electro-optic transduction
Delaney R., M. Urmey, S. Mittal, B.M. Brubaker, J. Kindem, P.S. Burns, C.A. Regal, and K.W. Lehnert, Nature 606, 489-493 (2022).
Entanglement Thresholds of Doubly Parametric Quantum Transducers
Rau C., A. Kyle, A. Kwiatkowski, E. Shojaee, J. Teufel, K.W. Lehnert, and T. Dennis, Physical Review Applied 17, 044057 (2022).
Quantum enhanced metrology in the search for fundamental physical phenomena
Lehnert K.W., Scipost Phys. Lect. Notes 40 (2022).
2021
Cavity Entanglement and State Swapping to Accelerate the Search for Axion Dark Matter
Wurtz K., B.M. Brubaker, Y. Jiang, E.P. Ruddy, D.A. Palken, and K.W. Lehnert, Prx Quantum 2, 040350 (2021).
Experimental Constraint on Axion-like Particle Coupling over Seven Orders of Magnitude in Mass
Roussy T.S., D.A. Palken, W. Cairncross, B.M. Brubaker, D.N. Gresh, M. Grau, K.C. Cossel, K. Ng, Y. Shagam, Y. Zhou, and V.V. Flambaum, Phys. Rev. Lett. 126, 171301 (2021).
Efficient and Low-Backaction Quantum Measurement Using a Chip-Scale Detector
Rosenthal E.I., C.M.F. Schneider, M. Malnou, Z. Zhao, F. Leditzky, B.J. Chapman, W. Wustmann, X. Ma, D.A. Palken, M.F. Zanner, and L.R. Vale, Physical Review Letters 126, (2021).
A quantum enhanced search for dark matter axions
Backes K.M., D.A. Palken, A. Kenany, B.M. Brubaker, S.B. Cahn, A. Droster, G.C. Hilton, S. Ghosh, H. Jackson, S.K. Lamoreaux, and A.F. Leder, Nature 590, 238-242 (2021).
Non-classical energy squeezing of a macroscopic mechanical oscillator
Ma X., J.J. Viennot, S. Kotler, J.D. Teufel, and K.W. Lehnert, Nature Physics 17, 322-326 (2021).
2020
Improved analysis framework for axion dark matter searches
Palken D.A., B.M. Brubaker, M. Malnou, A. Kenany, K.M. Backes, S.B. Cahn, Y.V. Gurevich, S.K. Lamoreaux, S.M. Lewis, R.H. Maruyama, and N.M. Rapidis, Physical Review D 101, 123011 (2020).
Hybrid quantum systems with circuit quantum electrodynamics
Clerk A.A., K.W. Lehnert, P. Bertet, J.R. Petta, and Y. Nakamura, Nature Physics 16, 257-267 (2020).
2019
Measurement of Motion beyond the Quantum Limit by Transient Amplification
Delaney R., A.P. Reed, R.W. Andrews, and K.W. Lehnert, Physical Review Letters 123, 183603 (2019).
Resolving Phonon Fock States in a Multimode Cavity with a Double-Slit Qubit
Sletten L.R., B. Moores, J.J. Viennot, and K.W. Lehnert, Physical Review X 9, 021056 (2019).
Putting the squeeze on axions
van Bibber K., K.W. Lehnert, and A. Chou, Physics Today 72, 48-55 (2019).
Squeezed Vacuum Used to Accelerate the Search for a Weak Classical Signal
Malnou M., D.A. Palken, B.M. Brubaker, L.R. Vale, G.C. Hilton, and K.W. Lehnert, Physical Review X 9, 021023 (2019).
Design of an On-Chip Superconducting Microwave Circulator with Octave Bandwidth
Chapman B.J., E.I. Rosenthal, and K.W. Lehnert, Physical Review Applied 11, 044048 (2019).
2018
Phonon-Number-Sensitive Electromechanics
Viennot J.J., X. Ma, and K.W. Lehnert, Physical Review Letters 121, (2018).
Harnessing electro-optic correlations in an efficient mechanical converter
Higginbotham A.P., P.S. Burns, M. Urmey, R.W. Peterson, N.S. Kampel, B.M. Brubaker, G. Smith, K.W. Lehnert, and C.A. Regal, Nature Physics 7, 1038–1042 (2018).
Topological phase transition measured in a dissipative metamaterial
Rosenthal E.I., N.K. Ehrlich, M.S. Rudner, A.P. Higginbotham, and K.W. Lehnert, Physical Review B 97, (2018).
Cavity Quantum Acoustic Device in the Multimode Strong Coupling Regime
Moores B.A., L.R. Sletten, J.J. Viennot, and K.W. Lehnert, Physical Review Letters 120, (2018).
Results from phase 1 of the HAYSTAC microwave cavity axion experiment
Zhong L., A. Kenany, M. Backes, B.M. Brubaker, S.B. Cahn, G. Carosi, Y.V. Gurevich, F. Kindel, K. Lamoreaux, K.W. Lehnert, and M. Lewis, Physical Review D 9731, (2018).
Optimal Operation of a Josephson Parametric Amplifier for Vacuum Squeezing
Malnou M., D.A. Palken, L.R. Vale, G.C. Hilton, and K.W. Lehnert, Physical Review Applied 9, (2018).
2017
Widely Tunable On-Chip Microwave Circulator for Superconducting Quantum Circuits
Chapman B.J., E.I. Rosenthal, J. Kerckhoff, B.A. Moores, L.R. Vale, A.B. Mates, G.C. Hilton, K. Lalumière, A. Blais, and K.W. Lehnert, Physical Review X 7, (2017).
Breaking Lorentz Reciprocity with Frequency Conversion and Delay
Rosenthal E.I., B.J. Chapman, A.P. Higginbotham, J. Kerckhoff, and K.W. Lehnert, Physical Review Letters 119431, 147703 (2017).
Faithful conversion of propagating quantum information to mechanical motion
Reed A.P., K.H. Mayer, J.D. Teufel, L.D. Burkhart, W. Pfaff, M. Reagor, L.R. Sletten, X. Ma, R.J. Schoelkopf, E. Knill, and K.W. Lehnert, Nature Physics 13, (2017).
Reconfigurable re-entrant cavity for wireless coupling to an electro-optomechanical device
Menke T., P.S. Burns, A.P. Higginbotham, N.S. Kampel, R.W. Peterson, K. Cicak, R.W. Simmonds, C.A. Regal, and K.W. Lehnert, Review Of Scientific Instruments 88, 094701 (2017).
Design and operational experience of a microwave cavity axion detector for the 20 - 100 μeV range
Kenany A., M.A. Anil, K.M. Backes, B.M. Brubaker, S.B. Cahn, G. Carosi, Y.V. Gurevich, W.F. Kindel, S.K. Lamoreaux, K.W. Lehnert, and S.M. Lewis, Nuclear Instruments And Methods In Physics Research Section A: Accelerators, Spectrometers, Detectors And Associated Equipment 854, 11-24 (2017).
Improving Broadband Displacement Detection with Quantum Correlations
Kampel N.S., W. Peterson, R. Fischer, P.-L. Yu, K. Cicak, W. Simmonds, K.W. Lehnert, and C.A. Regal, Physical Review X 7, 021008 (2017).
Single-sideband modulator for frequency domain multiplexing of superconducting qubit readout
Chapman B.J., E.I. Rosenthal, J. Kerckhoff, L.R. Vale, G.C. Hilton, and K.W. Lehnert, Applied Physics Letters 110, 162601 (2017).
First Results from a Microwave Cavity Axion Search at 24 μ eV
Brubaker B.M., L. Zhong, Y.V. Gurevich, S.B. Cahn, S.K. Lamoreaux, M. Simanovskaia, J.R. Root, M. Lewis, A. Kenany, M. Backes, and I. Urdinaran, Physical Review Letters 118, 061302 (2017).
2016
General purpose multiplexing device for cryogenic microwave systems
Chapman B.J., B.A. Moores, E.I. Rosenthal, J. Kerckhoff, and K.W. Lehnert, Applied Physics Letters 108, 222602 (2016).
Generation and efficient measurement of single photons from fixed-frequency superconducting qubits
Kindel W.F., M.D. Schroer, and K.W. Lehnert, Physical Review A 93, 033817 (2016).
Laser Cooling of a Micromechanical Membrane to the Quantum Backaction Limit
Peterson R.W., T.P. Purdy, N.S. Kampel, R.W. Andrews, P.-L. Yu, K.W. Lehnert, and C.A. Regal, Physical Review Letters 116, 063601 (2016).
Highlights
Editor's Suggestion
Proposal to Test Bell's Inequality in Electromechanics
Hofer S.G., K.W. Lehnert, and K. Hammerer, Physical Review Letters 116, 070406 (2016).
Closing a quantum feedback loop inside a cryostat: Autonomous state preparation and long-time memory of a superconducting qubit
Andersen C.K., J. Kerckhoff, K.W. Lehnert, B.J. Chapman, and K. Molmer, Physical Review A 93, 012346 (2016).
2015
Quantum-enabled temporal and spectral mode conversion of microwave signals
Andrews R.W., A.P. Reed, K. Cicak, J.D. Teufel, and K.W. Lehnert, Nature Communications 6, 10021 (2015).
On-Chip Superconducting Microwave Circulator from Synthetic Rotation
Kerckhoff J., K. Lalumière, B.J. Chapman, A. Blais, and K.W. Lehnert, Physical Review Applied 4, (2015).
Generating and verifying entangled itinerant microwave fields with efficient and independent measurements
Ku H.S., W.F. Kindel, F. Mallet, S. Glancy, K.D. Irwin, G.C. Hilton, L.R. Vale, and K.W. Lehnert, Physical Review A 91, 042305 (2015).
Connecting microwave and optical frequencies with a vibrational degree of freedom
Anderson R.W., R.W. Peterson, T.P. Purdy, K. Cicak, R.W. Simmonds, C.A. Regal, and K.W. Lehnert, in Spie (SPIE, San Francisco, California, United States, 2015), p. 934309.
2014
Future directions in the microwave cavity search for dark matter axions
Shokair T.M., J.R. Root, K. van Bibber, B.M. Brubaker, Y.V. Gurevich, S.B. Cahn, S.K. Lamoreaux, M.A. Anil, K.W. Lehnert, B.K. Mitchell, and A.P. Reed, International Journal Of Modern Physics A 29, 1443004 (2014).
Measuring a Topological Transition in an Artificial Spin-1/2 System
Schroer M.D., M.H. Kolodrubetz, W.F. Kindel, M. Sandberg, J. Gao, M.R. Vissers, D.P. Pappas, A. Polkovnikov, and K.W. Lehnert, Physical Review Letters 113, 050402 (2014).
Bidirectional and efficient conversion between microwave and optical light
Anderson R.W., R.W. Peterson, T.P. Purdy, K. Cicak, R.W. Simmonds, C.A. Regal, and K.W. Lehnert, Nature Physics 10, 321-326 (2014).
2013
Deterministic entanglement of superconducting qubits by parity measurement and feedback
Ristè D., M. Dukalski, C.A. Watson, G. de Lange, M.J. Tiggelman, Y.M. Blanter, K.W. Lehnert, R.N. Schouten, and L. DiCarlo, Nature 502, 350-354 (2013).
Entangling Mechanical Motion with Microwave Fields
Palomaki T.A., J.D. Teufel, R.W. Simmonds, and K.W. Lehnert, Science 342, 710-713 (2013).
Analysis of single-photon and linear amplifier detectors for microwave cavity dark matter axion searches
Lamoreaux S.K., K. van Bibber, K.W. Lehnert, and G. Carosi, Physical Review D 88, 035020 (2013).
Tunable Coupling to a Mechanical Oscillator Circuit Using a Coherent Feedback Network
Kerckhoff J., R.W. Anderson, H.-S. Ku, W.F. Kindel, K. Cicak, R.W. Simmonds, and K.W. Lehnert, Physical Review X 3, 021013 (2013).
Mechanical resonators for storage and transfer of electrical and optical quantum states
McGee S.A., D. Meiser, C.A. Regal, K.W. Lehnert, and M.J. Holland, Physical Review A 87, 053818 (2013).
Millisecond charge-parity fluctuations and induced decoherence in a superconducting transmon qubit
Ristè D., C.C. Bultink, M.J. Tiggelman, R.N. Schouten, K.W. Lehnert, and L. DiCarlo, Nature Communications 4, 1913 (2013).
Coherent state transfer between itinerant microwave fields and a mechanical oscillator
Palomaki T.A., J.W. Harlow, J.D. Teufel, R.W. Simmonds, and K.W. Lehnert, Nature 495, 210-214 (2013).
2012
Feedback Control of a Solid-State Qubit Using High-Fidelity Projective Measurement
Ristè D., C.C. Bultink, K.W. Lehnert, and L. DiCarlo, Physical Review Letters 109, 240502 (2012).
Superconducting Microwave Multivibrator Produced by Coherent Feedback
Kerckhoff J., and K.W. Lehnert, Physical Review Letters 109, 153602 (2012).
Initialization by Measurement of a Superconducting Quantum Bit Circuit
Ristè D., J. van Leeuwen, H.-S. Ku, K.W. Lehnert, and L. DiCarlo, Physical Review Letters 109, 050507 (2012).
Flux-Ramp Modulation for SQUID Multiplexing
Mates J.A.B., K.D. Irwin, L.R. Vale, G.C. Hilton, J. Gao, and K.W. Lehnert, Journal Of Low Temperature Physics 167, 707-712 (2012).
2011
Non-contact and all-electrical method for monitoring the motion of semiconducting nanowires
Hoch S.W., J.R. Montague, V.M. Bright, C.T. Rogers, K.A. Bertness, J.D. Teufel, and K.W. Lehnert, Applied Physics Letters 99, 053101 (2011).
Sideband cooling of micromechanical motion to the quantum ground state
Teufel J.D., T. Donner, D. Li, J.W. Harlow, M.S. Allman, K. Cicak, A.J. Sirois, J.D. Whittaker, K.W. Lehnert, and R.W. Simmonds, Nature 475, 359-363 (2011).
Design and Testing of Superconducting Microwave Passive Components for Quantum Information Processing
Ku H.-S., F. Mallet, L.R. Vale, K.D. Irwin, S.E. Russek, G.C. Hilton, and K.W. Lehnert, Ieee Transactions On Applied Superconductivity 21, 452-455 (2011).
Quantum State Tomography of an Itinerant Squeezed Microwave Field
Mallet F., M.A. Castellanos-Beltran, H.-S. Ku, S. Glancy, E. Knill, K.D. Irwin, G.C. Hilton, L.R. Vale, and K.W. Lehnert, Physical Review Letters 106, 220502 (2011).
Strongly quadrature-dependent noise in superconducting microresonators measured at the vacuum-noise limit
Gao J., L.R. Vale, J.A.B. Mates, D.R. Schmidt, G.C. Hilton, K.D. Irwin, F. Mallet, M.A. Castellanos-Beltran, K.W. Lehnert, J. Zmuidzinas, and H.G. Leduc, Applied Physics Letters 98, 232508 (2011).
From cavity electromechanics to cavity optomechanics
Regal C.A., and K.W. Lehnert, Journal Of Physics: Conference Series 264, 012025 (2011).
2009
Nanomechanical motion measured with an imprecision below that at the standard quantum limit
Teufel J.D., T. Donner, M.A. Castellanos-Beltran, J.W. Harlow, and K.W. Lehnert, Nature Nanotechnology 4, 820-823 (2009).
Bandwidth and Dynamic Range of a Widely Tunable Josephson Parametric Amplifier
Castellanos-Beltran M.A., K.D. Irwin, L.R. Vale, G.C. Hilton, and K.W. Lehnert, Ieee Transactions On Applied Superconductivity 19, 944-947 (2009).
2008
Amplification and squeezing of quantum noise with a tunable Josephson metamaterial
Castellanos-Beltran M.A., K.D. Irwin, G.C. Hilton, L.R. Vale, and K.W. Lehnert, Nature Physics 4, 929-931 (2008).
Dynamical Backaction of Microwave Fields on a Nanomechanical Oscillator
Teufel J.D., J.W. Harlow, C.A. Regal, and K.W. Lehnert, Physical Review Letters 101, 197203 (2008).
Prospects for cooling nanomechanical motion by coupling to a superconducting microwave resonator
Teufel J.D., C.A. Regal, and K.W. Lehnert, New Journal Of Physics 10, 095002 (2008).
Measuring nanomechanical motion with a microwave cavity interferometer
Regal C.A., J.D. Teufel, and K.W. Lehnert, Nature Physics 4, 555-560 (2008).
Demonstration of a multiplexer of dissipationless superconducting quantum interference devices
Mates J.A.B., G.C. Hilton, K.D. Irwin, L.R. Vale, and K.W. Lehnert, Applied Physics Letters 92, 023514 (2008).
2007
Widely tunable parametric amplifier based on a superconducting quantum interference device array resonator
Castellanos-Beltran M.A., and K.W. Lehnert, Applied Physics Letters 91, 083509 (2007).
Evaluation of a Microwave SQUID Multiplexer Prototype
Lehnert K.W., K.D. Irwin, M.A. Castellanos-Beltran, J.A.B. Mates, and L.R. Vale, Ieee Transactions On Applied Superconductivity 17, 705-709 (2007).
Intrinsic Noise Properties of Atomic Point Contact Displacement Detectors
Flowers-Jacobs N.E., D. Schmidt, and K.W. Lehnert, Physical Review Letters 98, (2007).
2006
Microwave SQUID multiplexers for low-temperature detectors
Irwin K.D., J.A. Beall, W.B. Doriese, W.D. Duncan, G.C. Hilton, J.A.B. Mates, C.D. Reintsema, D.R. Schmidt, J.N. Ullom, L.R. Vale, and B.L. Zink, Nuclear Instruments And Methods In Physics Research Section A: Accelerators, Spectrometers, Detectors And Associated Equipment 559, 802-804 (2006).
Normal metal-insulator-superconductor junction technology for bolometers
Schmidt D.R., W.D. Duncan, K.D. Irwin, K.W. Lehnert, N.A. Miller, and J.N. Ullom, Nuclear Instruments And Methods In Physics Research Section A: Accelerators, Spectrometers, Detectors And Associated Equipment 559, 516-518 (2006).
2005
Single-electron transistor backaction on the single-electron box
Turek B., K.W. Lehnert, A.A. Clerk, D. Gunnarsson, K. Bladh, P. Delsing, and R.J. Schoelkopf, Physical Review B 71, (2005).
A superconductor-insulator-normal metal bolometer with microwave readout suitable for large-format arrays
Schmidt D.R., K.W. Lehnert, A. Clark, W.D. Duncan, K.D. Irwin, N. Miller, and J.N. Ullom, Applied Physics Letters 86, 053505 (2005).
2004
Microwave SQUID multiplexer
Irwin K.D., and K.W. Lehnert, Applied Physics Letters 85, 2107 (2004).
Noise performance of the radio-frequency single-electron transistor
Schoelkopf R.J., L. Spietz, K.W. Lehnert, L. Roschier, P. Hakonen, K. Bladh, and P. Delsing, Journal Of Applied Physics 95, 1274 (2004).
2003
Quantum Charge Fluctuations and the Polarizability of the Single-Electron Box
Lehnert K.W., B. Turek, K. Bladh, L. Spietz, D. Gunnarsson, P. Delsing, and R.J. Schoelkopf, Physical Review Letters 91, (2003).
Primary Electronic Thermometry Using the Shot Noise of a Tunnel Junction
Spietz L., K.W. Lehnert, I. Siddiqi, and R.J. Schoelkopf, Science 300, 1929-1932 (2003).
Measurement of the Excited-State Lifetime of a Microelectronic Circuit
Lehnert K.W., K. Bladh, L. Spietz, D. Gunnarsson, D. Schuster, P. Delsing, and R.J. Schoelkopf, Physical Review Letters 90, (2003).