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Phys. Rev. Lett. 85, 3789–3792 (2000)

Quantum Limits on Optical Resolution

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Mikhail I. Kolobov1,2 and Claude Fabre2
1Fachbereich Physik, Universität-GH Essen, D-45117 Essen, Germany
2Laboratoire Kastler Brossel, Université Pierre et Marie Curie, Case 74, F-75252 Paris cedex 05, France

Received 18 May 2000; published in the issue dated 30 October 2000

We discuss the ultimate limit imposed by quantum fluctuations of light for resolution of fine details in optical images. For this purpose, we extend in the quantum domain the classical analysis of the object reconstruction, or superresolution, in terms of prolate spheroidal function basis. We derive the expression for ultimate resolution limit in the reconstructed object using an illumination of the full object plane by a multimode squeezed vacuum. We show that the gain in resolution using multimode squeezed light is maximum when the Shannon number of the imaging system is close to unity.

© 2000 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.85.3789
DOI:
10.1103/PhysRevLett.85.3789
PACS:
42.50.Dv, 42.30.Wb, 42.50.Lc