Controlled-NOT logic gate based on conditional spectroscopy

Submitted for the MAR11 Meeting of The American Physical Society Controlled-NOT logic gate based on conditional spectroscopy MICHAEL GELLER, JOYDIP GHOSH, University of Georgia, Athens — A controlled-NOT logic gate based on conditional rotation of a target qubit by applying a microwave pulse of appropriate frequency has been demonstrated experimentally for a pair of superconducting flux qubits [Plantenberg et. al., Nature 447, 836 (2007)] . Here we discuss a related construction appropriate for coupled phase qubits or a phase qubit coupled to a resonator. Our results show that an intrinsic fidelity of more than 99% is achievable in about 45ns. Joydip Ghosh University of Georgia, Athens Date submitted: 21 Nov 2010 Electronic form version 1.4