Efficient Quantum State Tomography for Quantum Information Processing using a two-dimensional Fourier Transform Technique
Quantum Physics
2009-11-07 v1
Abstract
A new method of quantum state tomography for quantum information processing is described. The method based on two-dimensional Fourier transform technique involves detection of all the off-diagonal elements of the density matrix in a two-dimensional experiment. All the diagonal elements are detected in another one-dimensional experiment. The method is efficient and applicable to a wide range of spin systems. The proposed method is explained using a 2 qubit system and demonstrated by tomographing arbitrary complex density matrices of 2 and 4 qubit systems using simulations.
Cite
@article{arxiv.quant-ph/0212116,
title = {Efficient Quantum State Tomography for Quantum Information Processing using a two-dimensional Fourier Transform Technique},
author = {Ranabir Das and T. S. Mahesh and Anil Kumar},
journal= {arXiv preprint arXiv:quant-ph/0212116},
year = {2009}
}
Comments
11 pages and 2 figures