Session D27: Focus Session: Superconducting Qubits - Gates and Algorithms

2:30 PM–5:30 PM, Monday, March 21, 2011
Room: C155

Sponsoring Unit: GQI
Chair: Britton Plourde, Syracuse University

Abstract ID: BAPS.2011.MAR.D27.11

Abstract: D27.00011 : Experimental demonstration of quantum algorithms on a 4-qubit/5-resonator quantum microprocessor utilizing superconducting qubits in the RezQu architecture

4:54 PM–5:06 PM

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  Erik Lucero
  Rami Barends
  Radoslaw Bialczak
  Yu Chen
  Julian Kelly
  Mike Lenander
  Matteo Mariantoni
  Anthony Megrant
  Aaron O'Connell
  Peter O'Malley
  Daniel Sank
  Amit Vainsencher
  Hauhoa Wang
  James Wenner
  Ted White
  Yi Yin
  Jian Zhao
  Andrew Cleland
  John Martinis

We present our newly designed and fabricated 4-qubit/5-resonator quantum microprocessor composed of ``off-the-shelf" qubit and resonator components in the RezQu (``rez-(,)kyoo") architecture. The RezQu architecture uses resonators with qubits in the zero state to turn off stray coupling. Each qubit is coupled to a $\lambda /4$ memory resonator and coupling between the qubits is mediated by a common $\lambda /2$ resonator bus. Eight microwave lines drive the individual qubits, memory resonators, and coupling resonator. We demonstrate control over the quantum microprocessor via small scale quantum algorithms that require executing high- fidelity single qubit gates, quantum Fourier transform, Toffoli, CNOT, and other entangling gates.

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