Tomographic measurements of nonclassical radiation states

G. M. D’Ariano, M. F. Sacchi, Prem Kumar

Research output: Contribution to journalArticlepeer-review

27 Scopus citations


We propose to test experimentally the nonclassical character of radiation states through homodyne tomography. For single-mode states we check violations of inequalities involving the photon-number probability. For two-mode states we test the nonclassicality by reconstructing some suitable number-operator functions. The test can be performed with available quantum efficiency of homodyne detection, by measuring the pertaining quantities on the corresponding noisy states.

Original languageEnglish (US)
Pages (from-to)826-830
Number of pages5
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number1
StatePublished - 1999

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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