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Optimal experiment design for quantum state tomography: Fair, precise, and minimal tomography

Abstract:

Given an experimental setup and a fixed number of measurements, how should one take data to optimally reconstruct the state of a quantum system? The problem of optimal experiment design (OED) for quantum state tomography was first broached by Kosut. Here we provide efficient numerical algorithms for finding the optimal design, and analytic results for the case of 'minimal tomography'. We also introduce the average OED, which is independent of the state to be reconstructed, and the optimal des...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevA.81.042109

Authors


More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Atomic and Laser Physics
Puentes, G More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Atomic and Laser Physics
Lundeen, JS More by this author
Journal:
PHYSICAL REVIEW A
Volume:
81
Issue:
4
Publication date:
2010-04-05
DOI:
EISSN:
1094-1622
ISSN:
1050-2947
URN:
uuid:14480def-a2c3-4f6f-9d2c-9c1393c41e10
Source identifiers:
54808
Local pid:
pubs:54808
Language:
English

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