Pulsed squeezed vacuum characterization without homodyning

Details Pulsed squeezed vacuum characterization without homodyning Pulsed squeezed vacuum characterization without homodyning

2004-03-31

arxiv.org/abs/quant-ph/0403234v1

Phys. Rev. A 70, 053812 (2004)

Physics

Quantum Physics

8 pages, 7 figures

Scientific paper

10.1103/PhysRevA.70.053812

Direct photon detection is experimentally implemented to measure the squeezing and purity of a single-mode squeezed vacuum state without an interferometric homodyne detection. Following a recent theoretical proposal [arXiv quant-ph/0311119], the setup only requires a tunable beamsplitter and a single-photon detector to fully characterize the generated Gaussian states. The experimental implementation of this procedure is discussed and compared with other reference methods.

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