Conditional generation of sub-Poissonian light from two-mode squeezed vacuum via balanced homodyne detection on idler mode

Details Conditional generation of sub-Poissonian light from two-mode squeezed vacuum via balanced homodyne detection on idler mode Conditional generation of sub-Poissonian light from two-mode squeezed vacuum via balanced homodyne detection on idler mode

2001-04-09

arxiv.org/abs/quant-ph/0104044v1

Phys. Rev. A 64, 053817 (2001).

Physics

Quantum Physics

7 pages, 6 figures, REVTeX

Scientific paper

10.1103/PhysRevA.64.053817

A simple scheme for conditional generation of nonclassical light with sub-Poissonian photon-number statistics is proposed. The method utilizes entanglement of signal and idler modes in two-mode squeezed vacuum state generated in optical parametric amplifier. A quadrature component of the idler mode is measured in balanced homodyne detector and only those experimental runs where the absolute value of the measured quadrature is higher than certain threshold are accepted. If the threshold is large enough then the conditional output state of signal mode exhibits reduction of photon-number fluctuations below the coherent-state level.

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