Research Summary

Selected Publications

• 1.Nakamura, Y., Pashkin, Yu. A., and Tsai, J. S.:
  "Coherent control of macroscopic quantum states in a single-Cooper-pair box"
  Nature 398, 786 (1999).
• 2.Chiorescu, I., Nakamura, Y., Harmans, C. J. P. M., and Mooij, J. E.:
  "Coherent quantum dynamics of a superconducting flux-qubit"
  Science 299, 1869 (2003).
• 3.Yamamoto, T., Pashkin, Yu. A., Astafiev, O., Nakamura, Y., and Tsai, J. S.:
  "Demonstration of conditional gate operation using superconducting charge qubit"
  Nature 425, 941-944 (2003).
• 4.Niskanen, A. O., Harrabi, K., Yoshihara, F., Nakamura, Y., Lloyd, S., and Tsai, J. S.:
  "Quantum coherent tunable coupling of superconducting qubits"
  Science 316, 723 (2007).
• 5.Yamamoto, T., Inomata, K., Watanabe, M., Matsuba, K., Miyazaki, T., Oliver, W. D., Nakamura, Y., and Tsai, J. S.:
  "Flux-driven Josephson parametric amplifier"
  Appl. Phys. Lett. 93, 042510 (2008).
• 6.Astafiev, O., Zagoskin, A. M., Abdumalikov, Jr., A. A., Pashkin, Yu. A., Yamamoto, T., Inomata, K., Nakamura, Y., and Tsai, J. S.:
  "Resonance fluorescence of a single artificial atom"
  Science 327, 840 (2010).
• 7.Koshino, K., Inomata, K., Yamamoto, T., and Nakamura, Y.,:
  "Implementation of an impedance-matched Λ system by dressed-state engineering"
  Phys. Rev. Lett. 111, 153601 (2013).
• 8.Lin, Z.R., Inomata, K., Koshino, K., Oliver,W.D., Nakamura, Y., Tsai, J.S., and Yamamoto, T.:
  "Josephson parametric phase-locked oscillator and its application to dispersive readout of superconducting qubits"
  Nature Commun. 5, 4480 (2014).
• 9.Inomata, K., Koshino, K., Lin, Z.R., Oliver, W.D., Tsai, J.S., Nakamura, Y., and Yamamoto, T.:
  "Microwave down-conversion with an impedance-matched Λ system in driven circuit QED"
  Phys. Rev. Lett. 113, 063604 (2014).
• 10.Inomata, K., Lin, Z.R., Koshino, K., Oliver, W.D., Tsai, J.S., Yamamoto, T., and Nakamura, Y.:
  "Single microwave-photon detector using an artificial Λ-type three-level system"
  Nature Commun. 7, 12303 (2016).

Recent Research Results

• 

  Oct. 30, 2020
  Trade-off with superconducting qubits overcome by quantum filter

• 

  Jul. 3, 2020
  Wiring a new path to scalable quantum computing

• 

  Jun. 19, 2020
  Pseudo-2D architecture for quantum computers is simple and scalable

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Position	Deadline
Seeking a Research Scientist / Postdoctoral Researcher (W19233)	Open until filled

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