Phys. Rev. Lett. 77, 2933–2936 (1996)Quantum Statistics of the Squeezed Vacuum by Measurement of the Density Matrix in the Number State RepresentationReceived 12 February 1996; published in the issue dated 30 September 1996 We report the reconstruction of the quantum state of squeezed vacuum generated by a continuous-wave optical parametric amplifier. Homodyne detection and tomographic reconstruction methods were used to obtain the density matrix in the Fock (number state) representation. The photon number distribution exhibits odd-even oscillations, a manifestation of the photon pair production in the second-order nonlinear medium. © 1996 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.77.2933
DOI:
10.1103/PhysRevLett.77.2933
PACS:
42.50.Dv, 03.65.-w, 42.50.Ar, 42.65.-k
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