Accuracy features for quantum process tomography using superconductor phase qubits

Abstract

We propose a method for precision statistical control of quantum processes based on superconductor phase qubits. Using the universal quantum tomography method, we provide a detailed analysis of accuracy of tomography for a 2-qubit gate SQiSW, which arises due to capacitive coupling between qubits. The developed approach could be successfully applied for quality and efficiency problems of superconductor quantum information technologies.

The paper is based on presentation at conference "Nanophysics" (Nizhny Novgorod, Russia, 14-19 March 2011) Accepted for publication in journal "Bulletin of the Russian Academy of Sciences: Physics"

References in corpus (2)

• Quantum process tomography of two-qubit controlled-Z and controlled-NOT gates using superconducting phase qubits
• Analysis of a tuneable coupler for superconducting phase qubits