Konrad W. Lehnert - Publications

Physics University of Colorado, Boulder, Boulder, CO, United States 
Condensed Matter Physics

77 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2020 Palken D, Brubaker B, Malnou M, Kenany SA, Backes K, Cahn S, Gurevich Y, Lamoreaux S, Lewis S, Maruyama R, Rapidis N, Root J, Simanovskaia M, Shokair T, Singh S, ... ... Lehnert K, et al. Improved analysis framework for axion dark matter searches Physical Review D. 101. DOI: 10.1103/Physrevd.101.123011  0.301
2020 Clerk AA, Lehnert KW, Bertet P, Petta JR, Nakamura Y. Hybrid quantum systems with circuit quantum electrodynamics Nature Physics. 16: 257-267. DOI: 10.1038/S41567-020-0797-9  0.505
2019 Delaney RD, Reed AP, Andrews RW, Lehnert KW. Measurement of Motion beyond the Quantum Limit by Transient Amplification. Physical Review Letters. 123: 183603. PMID 31763905 DOI: 10.1103/Physrevlett.123.183603  0.486
2019 Sletten LR, Moores BA, Viennot JJ, Lehnert KW. Resolving Phonon Fock States in a Multimode Cavity with a Double-Slit Qubit Physical Review X. 9: 21056. DOI: 10.1103/Physrevx.9.021056  0.42
2019 Malnou M, Palken DA, Brubaker BM, Vale LR, Hilton GC, Lehnert KW. Squeezed vacuum used to accelerate the search for a weak classical signal Physical Review X. 9: 21023. DOI: 10.1103/Physrevx.9.021023  0.528
2019 Chapman BJ, Rosenthal EI, Lehnert KW. Design of an On-Chip Superconducting Microwave Circulator with Octave Bandwidth Physical Review Applied. 11. DOI: 10.1103/Physrevapplied.11.044048  0.393
2019 Bibber Kv, Lehnert KW, Chou A. Putting the squeeze on axions Physics Today. 72: 48-55. DOI: 10.1063/Pt.3.4227  0.468
2018 Viennot JJ, Ma X, Lehnert KW. Phonon-Number-Sensitive Electromechanics. Physical Review Letters. 121: 183601. PMID 30444407 DOI: 10.1103/Physrevlett.121.183601  0.479
2018 Moores BA, Sletten LR, Viennot JJ, Lehnert KW. Cavity Quantum Acoustic Device in the Multimode Strong Coupling Regime. Physical Review Letters. 120: 227701. PMID 29906138 DOI: 10.1103/Physrevlett.120.227701  0.469
2018 Zhong L, Al Kenany S, Backes K, Brubaker B, Cahn S, Carosi G, Gurevich Y, Kindel W, Lamoreaux S, Lehnert K, Lewis S, Malnou M, Maruyama R, Palken D, Rapidis N, et al. Results from phase 1 of the HAYSTAC microwave cavity axion experiment Physical Review D. 97. DOI: 10.1103/Physrevd.97.092001  0.472
2018 Rosenthal EI, Ehrlich NK, Rudner MS, Higginbotham AP, Lehnert KW. Topological phase transition measured in a dissipative metamaterial Physical Review B. 97. DOI: 10.1103/Physrevb.97.220301  0.308
2018 Malnou M, Palken DA, Vale LR, Hilton GC, Lehnert KW. Optimal Operation of a Josephson Parametric Amplifier for Vacuum Squeezing Physical Review Applied. 9: 44023. DOI: 10.1103/Physrevapplied.9.044023  0.419
2018 Higginbotham AP, Burns PS, Urmey MD, Peterson RW, Kampel NS, Brubaker BM, Smith G, Lehnert KW, Regal CA. Harnessing electro-optic correlations in an efficient mechanical converter Nature Physics. 14: 1038-1042. DOI: 10.1038/S41567-018-0210-0  0.519
2017 Rosenthal EI, Chapman BJ, Higginbotham AP, Kerckhoff J, Lehnert KW. Breaking Lorentz Reciprocity with Frequency Conversion and Delay. Physical Review Letters. 119: 147703. PMID 29053302 DOI: 10.1103/Physrevlett.119.147703  0.407
2017 Menke T, Burns PS, Higginbotham AP, Kampel NS, Peterson RW, Cicak K, Simmonds RW, Regal CA, Lehnert KW. Reconfigurable re-entrant cavity for wireless coupling to an electro-optomechanical device. The Review of Scientific Instruments. 88: 094701. PMID 28964202 DOI: 10.1063/1.5000973  0.357
2017 Brubaker BM, Zhong L, Gurevich YV, Cahn SB, Lamoreaux SK, Simanovskaia M, Root JR, Lewis SM, Al Kenany S, Backes KM, Urdinaran I, Rapidis NM, Shokair TM, van Bibber KA, Palken DA, ... ... Lehnert KW, et al. First Results from a Microwave Cavity Axion Search at 24  μeV. Physical Review Letters. 118: 061302. PMID 28234529 DOI: 10.1103/Physrevlett.118.061302  0.433
2017 Chapman BJ, Rosenthal EI, Kerckhoff J, Moores BA, Vale LR, Mates J, Hilton GC, Lalumière K, Blais A, Lehnert K. Widely Tunable On-Chip Microwave Circulator for Superconducting Quantum Circuits Physical Review X. 7. DOI: 10.1103/Physrevx.7.041043  0.743
2017 Kampel N, Peterson R, Fischer R, Yu P, Cicak K, Simmonds R, Lehnert K, Regal C. Improving Broadband Displacement Detection with Quantum Correlations Physical Review X. 7. DOI: 10.1103/Physrevx.7.021008  0.541
2017 Chapman BJ, Rosenthal EI, Kerckhoff J, Vale LR, Hilton GC, Lehnert KW. Single-sideband modulator for frequency domain multiplexing of superconducting qubit readout Applied Physics Letters. 110: 162601. DOI: 10.1063/1.4981390  0.369
2017 Reed AP, Mayer KH, Teufel JD, Burkhart LD, Pfaff W, Reagor M, Sletten L, Ma X, Schoelkopf RJ, Knill E, Lehnert KW. Faithful conversion of propagating quantum information to mechanical motion Nature Physics. 13: 1163-1167. DOI: 10.1038/Nphys4251  0.513
2017 Al Kenany S, Anil M, Backes K, Brubaker B, Cahn S, Carosi G, Gurevich Y, Kindel W, Lamoreaux S, Lehnert K, Lewis S, Malnou M, Palken D, Rapidis N, Root J, et al. Design and operational experience of a microwave cavity axion detector for the 20–100μeV range Nuclear Instruments and Methods in Physics Research Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 854: 11-24. DOI: 10.1016/J.Nima.2017.02.012  0.397
2016 Hofer SG, Lehnert KW, Hammerer K. Proposal to Test Bell's Inequality in Electromechanics. Physical Review Letters. 116: 070406. PMID 26943516 DOI: 10.1103/Physrevlett.116.070406  0.457
2016 Peterson RW, Purdy TP, Kampel NS, Andrews RW, Yu PL, Lehnert KW, Regal CA. Laser Cooling of a Micromechanical Membrane to the Quantum Backaction Limit. Physical Review Letters. 116: 063601. PMID 26918990 DOI: 10.1103/Physrevlett.116.063601  0.424
2016 Kindel WF, Schroer MD, Lehnert KW. Generation and efficient measurement of single photons from fixed-frequency superconducting qubits Physical Review a - Atomic, Molecular, and Optical Physics. 93. DOI: 10.1103/Physreva.93.033817  0.453
2016 Andersen CK, Kerckhoff J, Lehnert KW, Chapman BJ, Mølmer K. Closing a quantum feedback loop inside a cryostat: Autonomous state preparation and long-time memory of a superconducting qubit Physical Review a - Atomic, Molecular, and Optical Physics. 93. DOI: 10.1103/Physreva.93.012346  0.389
2016 Chapman BJ, Moores BA, Rosenthal EI, Kerckhoff J, Lehnert KW. General purpose multiplexing device for cryogenic microwave systems Applied Physics Letters. 108. DOI: 10.1063/1.4952772  0.395
2015 Andrews RW, Reed AP, Cicak K, Teufel JD, Lehnert KW. Quantum-enabled temporal and spectral mode conversion of microwave signals. Nature Communications. 6: 10021. PMID 26617386 DOI: 10.1038/Ncomms10021  0.547
2015 Peterson RW, Burns PS, Andrews RW, Purdy TP, Cicak K, Simmonds RW, Regal CA, Lehnert KW. Progress towards quantum state transfer between microwave and optical light using an electro-optomechanical resonator Cleo: Qels - Fundamental Science, Cleo_qels 2015. 1551p. DOI: 10.1364/CLEO_QELS.2015.FM3A.8  0.325
2015 Andrews RW, Peterson RW, Purdy TP, Cicak K, Simmonds RW, Regal CA, Lehnert KW. Connecting microwave and optical frequencies with a vibrational degree of freedom Proceedings of Spie - the International Society For Optical Engineering. 9343. DOI: 10.1117/12.2082941  0.407
2015 Kerckhoff J, Lalumière K, Chapman BJ, Blais A, Lehnert KW. On-Chip Superconducting Microwave Circulator from Synthetic Rotation Physical Review Applied. 4. DOI: 10.1103/Physrevapplied.4.034002  0.477
2015 Ku HS, Kindel WF, Mallet F, Glancy S, Irwin KD, Hilton GC, Vale LR, Lehnert KW. Generating and verifying entangled itinerant microwave fields with efficient and independent measurements Physical Review a - Atomic, Molecular, and Optical Physics. 91. DOI: 10.1103/Physreva.91.042305  0.691
2014 Schroer MD, Kolodrubetz MH, Kindel WF, Sandberg M, Gao J, Vissers MR, Pappas DP, Polkovnikov A, Lehnert KW. Measuring a topological transition in an artificial spin-1/2 system. Physical Review Letters. 113: 050402. PMID 25126902 DOI: 10.1103/Physrevlett.113.050402  0.311
2014 Shokair TM, Root J, Van Bibber KA, Brubaker B, Gurevich YV, Cahn SB, Lamoreaux SK, Anil MA, Lehnert KW, Mitchell BK, Reed A, Carosi G. Future directions in the microwave cavity search for dark matter axions International Journal of Modern Physics A. 29. DOI: 10.1142/S0217751X14430040  0.426
2014 Regal C, Andrews R, Peterson R, Purdy T, Cicak K, Simmonds R, Lehnert K. Bidirectional and efficient conversion between microwave and optical light Laser Science, Ls 2014. DOI: 10.1038/Nphys2911  0.449
2013 Ristè D, Dukalski M, Watson CA, de Lange G, Tiggelman MJ, Blanter YM, Lehnert KW, Schouten RN, DiCarlo L. Deterministic entanglement of superconducting qubits by parity measurement and feedback. Nature. 502: 350-4. PMID 24132292 DOI: 10.1038/Nature12513  0.534
2013 Palomaki TA, Teufel JD, Simmonds RW, Lehnert KW. Entangling mechanical motion with microwave fields. Science (New York, N.Y.). 342: 710-3. PMID 24091706 DOI: 10.1126/Science.1244563  0.565
2013 Ristè D, Bultink CC, Tiggelman MJ, Schouten RN, Lehnert KW, DiCarlo L. Millisecond charge-parity fluctuations and induced decoherence in a superconducting transmon qubit Nature Communications. 4: 1913-1913. PMID 23715272 DOI: 10.1038/Ncomms2936  0.51
2013 Palomaki TA, Harlow JW, Teufel JD, Simmonds RW, Lehnert KW. Coherent state transfer between itinerant microwave fields and a mechanical oscillator. Nature. 495: 210-4. PMID 23486060 DOI: 10.1038/Nature11915  0.774
2013 Kerckhoff J, Andrews RW, Ku HS, Kindel WF, Cicak K, Simmonds RW, Lehnert KW. Tunable coupling to a mechanical oscillator circuit using a coherent feedback network Physical Review X. 3. DOI: 10.1103/Physrevx.3.021013  0.668
2013 Lamoreaux SK, Van Bibber KA, Lehnert KW, Carosi G. Analysis of single-photon and linear amplifier detectors for microwave cavity dark matter axion searches Physical Review D - Particles, Fields, Gravitation and Cosmology. 88. DOI: 10.1103/Physrevd.88.035020  0.436
2013 McGee SA, Meiser D, Regal CA, Lehnert KW, Holland MJ. Mechanical resonators for storage and transfer of electrical and optical quantum states Physical Review a - Atomic, Molecular, and Optical Physics. 87. DOI: 10.1103/Physreva.87.053818  0.507
2012 Ristè D, Bultink CC, Lehnert KW, DiCarlo L. Feedback control of a solid-state qubit using high-fidelity projective measurement. Physical Review Letters. 109: 240502-240502. PMID 23368293 DOI: 10.1103/Physrevlett.109.240502  0.419
2012 Kerckhoff J, Lehnert KW. Superconducting microwave multivibrator produced by coherent feedback. Physical Review Letters. 109: 153602. PMID 23102306 DOI: 10.1103/Physrevlett.109.153602  0.4
2012 Ristè D, van Leeuwen JG, Ku HS, Lehnert KW, DiCarlo L. Initialization by measurement of a superconducting quantum bit circuit. Physical Review Letters. 109: 050507. PMID 23006158 DOI: 10.1103/Physrevlett.109.050507  0.718
2012 Teufel JD, Lehnert KW, Simmonds RW. Quantum optomechanics with microwave photons Laser Science, Ls 2012 0.402
2011 Teufel JD, Donner T, Li D, Harlow JW, Allman MS, Cicak K, Sirois AJ, Whittaker JD, Lehnert KW, Simmonds RW. Sideband cooling of micromechanical motion to the quantum ground state. Nature. 475: 359-63. PMID 21734657 DOI: 10.1038/Nature10261  0.784
2011 Mallet F, Castellanos-Beltran MA, Ku HS, Glancy S, Knill E, Irwin KD, Hilton GC, Vale LR, Lehnert KW. Quantum state tomography of an itinerant squeezed microwave field. Physical Review Letters. 106: 220502. PMID 21702586 DOI: 10.1103/Physrevlett.106.220502  0.694
2011 Ku HS, Mallet F, Vale LR, Irwin KD, Russek SE, Hilton GC, Lehnert KW. Design and testing of superconducting microwave passive components for quantum information processing Ieee Transactions On Applied Superconductivity. 21: 452-455. DOI: 10.1109/Tasc.2010.2089403  0.673
2011 Regal CA, Lehnert KW. From cavity electromechanics to cavity optomechanics Journal of Physics: Conference Series. 264. DOI: 10.1088/1742-6596/264/1/012025  0.534
2011 Hoch SW, Montague JR, Bright VM, Rogers CT, Bertness KA, Teufel JD, Lehnert KW. Non-contact and all-electrical method for monitoring the motion of semiconducting nanowires Applied Physics Letters. 99. DOI: 10.1063/1.3614562  0.354
2011 Gao J, Vale LR, Mates JAB, Schmidt DR, Hilton GC, Irwin KD, Mallet F, Castellanos-Beltran MA, Lehnert KW, Zmuidzinas J, Leduc HG. Strongly quadrature-dependent noise in superconducting microresonators measured at the vacuum-noise limit Applied Physics Letters. 98. DOI: 10.1063/1.3597156  0.395
2009 Teufel JD, Donner T, Castellanos-Beltran MA, Harlow JW, Lehnert KW. Nanomechanical motion measured with an imprecision below that at the standard quantum limit. Nature Nanotechnology. 4: 820-3. PMID 19893515 DOI: 10.1038/Nnano.2009.343  0.775
2009 Castellanos-Beltran MA, Irwin KD, Vale LR, Hilton GC, Lehnert KW. Bandwidth and dynamic range of a widely tunable josephson parametric amplifier Ieee Transactions On Applied Superconductivity. 19: 944-947. DOI: 10.1109/Tasc.2009.2018119  0.368
2009 Lehnert KW, Teufel JD, Donner T, Harlow JW, Castellanos-Betran MA. Sensing nanomechanical motion with a shot-noise limited microwave cavity interferometer Optics Infobase Conference Papers 0.71
2008 Teufel JD, Harlow JW, Regal CA, Lehnert KW. Dynamical backaction of microwave fields on a nanomechanical oscillator. Physical Review Letters. 101: 197203. PMID 19113301 DOI: 10.1103/Physrevlett.101.197203  0.732
2008 Teufel JD, Regal CA, Lehnert KW. Prospects for cooling nanomechanical motion by coupling to a superconducting microwave resonator New Journal of Physics. 10. DOI: 10.1088/1367-2630/10/9/095002  0.493
2008 Mates JAB, Hilton GC, Irwin KD, Vale LR, Lehnert KW. Demonstration of a multiplexer of dissipationless superconducting quantum interference devices Applied Physics Letters. 92. DOI: 10.1063/1.2803852  0.489
2008 Regal CA, Teufel JD, Lehnert KW. Measuring nanomechanical motion with a microwave cavity interferometer Nature Physics. 4: 555-560. DOI: 10.1038/Nphys974  0.495
2008 Castellanos-Beltran MA, Irwin KD, Hilton GC, Vale LR, Lehnert KW. Amplification and squeezing of quantum noise with a tunable Josephson metamaterial Nature Physics. 4: 928-931. DOI: 10.1038/Nphys1090  0.541
2008 Lehnert KW, Teufel JD. Measuring and cooling the motion of a nanomechanical oscillator with a microwave cavity interferometer Optics Infobase Conference Papers 0.308
2007 Flowers-Jacobs NE, Schmidt DR, Lehnert KW. Intrinsic noise properties of atomic point contact displacement detectors. Physical Review Letters. 98: 096804. PMID 17359186 DOI: 10.1103/Physrevlett.98.096804  0.734
2007 Castellanos-Beltran MA, Lehnert KW. Widely tunable parametric amplifier based on a superconducting quantum interference device array resonator Applied Physics Letters. 91: 083509. DOI: 10.1063/1.2773988  0.476
2006 Irwin KD, Beall JA, Doriese WB, Duncan WD, Hilton GC, Mates JAB, Reintsema CD, Schmidt DR, Ullom JN, Vale LR, Zink BL, Lehnert KW. Microwave SQUID multiplexers for low-temperature detectors Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 559: 802-804. DOI: 10.1016/J.Nima.2005.12.144  0.376
2006 Schmidt DR, Duncan WD, Irwin KD, Lehnert KW, Miller NA, Ullom JN. Normal metal-insulator-superconductor junction technology for bolometers Nuclear Instruments and Methods in Physics Research, Section a: Accelerators, Spectrometers, Detectors and Associated Equipment. 559: 516-518. DOI: 10.1016/J.Nima.2005.12.043  0.31
2005 Turek BA, Lehnert KW, Clerk A, Gunnarsson D, Bladh K, Delsing P, Schoelkopf RJ. Single-electron transistor backaction on the single-electron box Physical Review B - Condensed Matter and Materials Physics. 71. DOI: 10.1103/Physrevb.71.193304  0.397
2005 Schmidt DR, Lehnert KW, Clark AM, Duncan WD, Irwin KD, Miller N, Ullom JN. A superconductor-insulator-normal metal bolometer with microwave readout suitable for large-format arrays Applied Physics Letters. 86: 1-3. DOI: 10.1063/1.1855411  0.343
2004 Irwin KD, Lehnert KW. Microwave SQUID multiplexer Applied Physics Letters. 85: 2107-2109. DOI: 10.1063/1.1791733  0.458
2004 Roschier L, Hakonen P, Bladh K, Delsing P, Lehnert KW, Spietz L, Schoelkopf RJ. Noise performance of the radio-frequency single-electron transistor Journal of Applied Physics. 95: 1274-1286. DOI: 10.1063/1.1635972  0.34
2003 Lehnert KW, Turek BA, Bladh K, Spietz LF, Gunnarsson D, Delsing P, Schoelkopf RJ. Quantum charge fluctuations and the polarizability of the single-electron box. Physical Review Letters. 91: 106801. PMID 14525496 DOI: 10.1103/Physrevlett.91.106801  0.395
2003 Spietz L, Lehnert KW, Siddiqi I, Schoelkopf RJ. Primary electronic thermometry using the shot noise of a tunnel junction. Science (New York, N.Y.). 300: 1929-32. PMID 12817144 DOI: 10.1126/Science.1084647  0.338
2003 Lehnert KW, Bladh K, Spietz LF, Gunnarsson D, Schuster DI, Delsing P, Schoelkopf RJ. Measurement of the excited-state lifetime of a microelectronic circuit. Physical Review Letters. 90: 027002. PMID 12570573 DOI: 10.1103/Physrevlett.90.027002  0.419
2003 Schoelkopf RJ, Clerk AA, Girvin SM, Lehnert KW, Devoret MH. Noise and measurement backaction in superconducting circuits: Qubits as spectrometers of quantum noise Proceedings of Spie - the International Society For Optical Engineering. 5115: 356-376. DOI: 10.1117/12.488922  0.451
2003 Segall K, Lehnert KW, Stevenson TR, Schoelkopf RJ, Wahlgren P, Aassime A, Delsing P. A high-performance cryogenic amplifier based on a radio-frequency single electron transistor Applied Physics Letters. 81: 4859-4861. DOI: 10.1063/1.1530751  0.327
2002 Eckhause TA, Lehnert K, Correa JS, Jorstad RJ, Gwinn EG, Thomas M. Density-dependent critical currents in quantum-well-coupled weak links Applied Physics Letters. 81: 3203-3205. DOI: 10.1063/1.1517174  0.42
2000 Eckhause TA, Tsujino S, Lehnert KW, Gwinn EG, Allen SJ, Thomas M, Kroemer H. Midinfrared studies of the contact region at superconductor–semiconductor interfaces Applied Physics Letters. 76: 215-217. DOI: 10.1063/1.125706  0.366
1999 Lehnert KW, Argaman N, Blank H, Wong KC, Allen SJ, Hu EL, Kroemer H. Nonequilibrium ac Josephson Effect in Mesoscopic Nb-InAs-Nb Junctions Physical Review Letters. 82: 1265-1268. DOI: 10.1103/Physrevlett.82.1265  0.353
1999 Lehnert K, Harris J, Allen S, Argaman N. Nonequilibrium superconductivity in mesoscopic Nb/InAs/Nb junctions Superlattices and Microstructures. 25: 839-849. DOI: 10.1006/Spmi.1999.0725  0.352
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