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SUMMARY:Superconducting quantum circuits: qubits and not only (Prof. Yuri 
 Pashkin\, Lancaster University) - Prof. Yuri Pashkin\, Department of Physi
 cs\, Lancaster University
DTSTART:20161028T140000Z
DTEND:20161028T150000Z
UID:TALK67750@talks.cam.ac.uk
CONTACT:Dr. Jonathan D. Mar
DESCRIPTION:This will be a review of research on superconducting quantum c
 ircuits. Since the first demonstration of quantum coherence in a solid-sta
 te device [1]\, there has been enormous progress in the field with the qub
 it properties improving steadily [2]. While there is still a long way to g
 o before a practical quantum processor will be built\, qubits may find app
 lications in areas other than quantum computation. Examples include quantu
 m-limited detection and on-chip quantum optics experiments.\n\nI will star
 t with a brief introduction of generic qubits and superconducting qubits i
 n particular\, and describe a variety of superconducting qubits based on d
 ifferent degrees of freedom. Then I will introduce a circuit QED architect
 ure [3] which is uniquely suited for probing quantum properties of macrosc
 opic mechanical objects and also for on-demand single-photon generation in
  the microwave domain. Recent joint activity of Lancaster and its collabor
 ators will be discussed [4].\n\n[1] Y. Nakamura\, Yu.A. Pashkin\, J.S. Tsa
 i\, Nature 398\, 305 (1999)\; [2] M.H. Devoret and R.J. Schoelkopf\, Scien
 ce 339\, 1169 (2013)\; [3] A. Wallraff et al.\, Nature 431\, 162 (2004)\; 
 [4] R. George et al\, quant-ph arXiv:1609.07057.
LOCATION:Small Lecture Theatre\, Bragg Building\, Cavendish Laboratory (Ph
 ysics Department)
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