Publications

Recent publications

Non-contact and all-electrical method for monitoring the motion of semiconducting nanowires, S. W. Hoch, J. R. Montague, V. M. Bright,
C. T. Rogers, K. A. Bertness, J. D. Teufel, and K. W. Lehnert, Appl. Phys. Lett. 99, 053101 (2011).

Sideband Cooling Micromechanical Motion to the Quantum Ground State, J. D. Teufel, T. Donner, Dale Li, J. W. Harlow, M. S. Allman, K. Cicak, A. J. Sirois, J. D. Whittaker, K. W. Lehnert, R. W. Simmonds, Nature, 475, 359–363 (2011).

Quantum state tomography of an itinerant squeeze microwave field,
F. Mallet, M. A. Castellanos-Beltran, H. S. Ku, S. Glancy, E. Knill, K. D. Irwin, G. C. Hilton, L. R. Vale, and K. W. Lehnert, Phys. Rev. Lett., 106, 220502 (2011).

From cavity electromechanics to cavity optomechanics. C. A. Regal and K. W. Lehnert, Journal of Physics: Conference Series 264, 012025 (2011).

Design and Testing of Superconducting Microwave Passive
Components for Quantum Information Processing, H. S. Ku, F. Mallet, L. R. Vale, K. D. Irwin, S. E. Russek, G. C. Hilton, and K. W. Lehnert, IEEE Trans. Appl. Superconductivity, , 21, 452-455 (2011).

Nanomechanical motion measured with imprecision below that at the standard quantum limit, J. D. Teufel, T. Donner, M. A. Castellanos-Beltran, J. W. Harlow, K. W. Lehnert, Nature Nanotechnology, 4, 820-823 (2009).

Bandwidth and dynamic range of a widely tunable Josephson parametric amplifier, M. A. Castellanos-Beltran, K. D. Iwin, L. R. Vale, G. C. Hilton, K. W. Lehnert, IEEE Trans. Appl. Superconductivity 19, 944 - 947 (2009).

Dynamical Backaction of Microwave Fields on a Nanomechanical Oscillator (editors' suggestion), J. D. Teufel, J. W. Harlow, C. A. Regal and K. W. Lehnert, Phys. Rev. Lett., 101, 197203 (2008)

Amplification and squeezing of quantum noise with a tunable Josephson metamaterial, M. A. Castellanos-Beltran, K. D. Irwin, G. C. Hilton, L. R. Vale and K. W. Lehnert, Nature Physics, 4, 929 (2008).

Prospects for cooling nanomechanical motion by coupling to a superconducting microwave resonator, J. D. Teufel, C. A. Regal, and
K. W. Lehnert, New J. Phys.,10, 095002 (2008).
Invited paper for special issue: Focus on Mechanical Systems at the Quantum Limit

Measuring nanomechanical motion with a resonant microwave interferometer, (article) C. A. Regal, J. D. Teufel, and K. W. Lehnert,
Nature Physics, 4, 555 (2008).

Recent preprints

1.arXiv:1012.0007 
Quantum state tomography of an itinerant squeezed microwave field
F. Mallet, M. A. Castellanos-Beltran, H. S. Ku, S. Glancy, E. Knill, K. D. Irwin, G. C. Hilton, L. R. Vale, K. W. Lehnert
2. arXiv:1008.0046
Strongly quadrature-dependent noise in superconducting micro-resonators measured at the vacuum-noise limit
J. Gao, 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, H. G. Leduc
Search the arXiv for our lab's preprints