Quantum efficiency of binary-outcome detectors of solid-state qubits
Quantum Physics
2009-11-13 v1 Other Condensed Matter
Abstract
We discuss definitions of the quantum efficiency for binary-outcome qubit detectors with imperfect fidelity, focusing on the subclass of quantum non-demolition detectors. Quantum efficiency is analyzed for several models of detectors, including indirect projective measurement, linear detector in binary-outcome regime, detector of the superconducting phase qubit, and detector based on tunneling into continuum.
Cite
@article{arxiv.0806.3614,
title = {Quantum efficiency of binary-outcome detectors of solid-state qubits},
author = {Alexander N. Korotkov},
journal= {arXiv preprint arXiv:0806.3614},
year = {2009}
}
Comments
11 pages