Quantum state reconstruction of the single-photon Fock state

Details Quantum state reconstruction of the single-photon Fock state Quantum state reconstruction of the single-photon Fock state

2001-01-12

arxiv.org/abs/quant-ph/0101051v2

Phys. Rev. Lett. 87, 050402 (2001)

Physics

Quantum Physics

4 pages, 4 figures, to appear in Physical Review Letters. Avoid downloading PDF due to extremely poor figure resolution. Use P

Scientific paper

10.1103/PhysRevLett.87.050402

We have reconstructed the quantum state of optical pulses containing single photons using the method of phase-randomized pulsed optical homodyne tomography. The single-photon Fock state |1> was prepared using conditional measurements on photon pairs born in the process of parametric down-conversion. A probability distribution of the phase-averaged electric field amplitudes with a strongly non-Gaussian shape is obtained with the total detection efficiency of (55+-1)%. The angle-averaged Wigner function reconstructed from this distribution shows a strong dip reaching classically impossible negative values around the origin of the phase space.

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