Publications

Recent publications

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, (letter)
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).


Demonstration of a multiplexer of dissipationless superconducting quantum interference devices,
J. A. B. Mates, G. C. Hilton, K. D. Irwin, L. R. Vale, and K. W. Lehnert,
Appl. Phys. Lett. 92, 023514 (2008).


Widely tunable parametric amplifier based on a superconducting quantum interference device array resonator,
M. A. Castellanos-Beltran and K. W. Lehnert,
Appl. Phys. Lett. 91, 083509 (2007).


Evaluation of a microwave SQUID multiplexer prototype,
K. W. Lehnert, K. D. Irwin, M. A. Castellanos-Beltran, J. A. B. Mates and L. R. Vale,
IEEE Trans. Appl. Superconductivity 17, 705-709 (2007).


Intrinsic noise properties of atomic point contact displacement detectors,
N. E. Flowers-Jacobs, D. R. Schmidt and K. W. Lehnert,
Phys. Rev. Lett. 98, 096804 (2007).

Recent preprints

1. arXiv:0906.1212
Nanomechanical motion measured with precision beyond the standard quantum limit
J. D. Teufel, T. Donner, M. A. Castellanos-Beltran, J. W. Harlow, K. W. Lehnert
2.arXiv:0903.1243
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
 
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