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Journal Article

A bridge between the single-photon and squeezed-vacuum states


Jain,  Nitin
Quantum Information Processing, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Jain, N., Huisman, S. R., Bimbard, E., & Lvovsky, A. I. (2010). A bridge between the single-photon and squeezed-vacuum states. OPTICS EXPRESS, 18(17), 18254-18259. doi:10.1364/OE.18.018254.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-6AC7-6
The two modes of the Einstein-Podolsky-Rosen quadrature entangled state generated by parametric down-conversion interfere on a beam splitter of variable splitting ratio. Detection of a photon in one of the beam splitter output channels heralds preparation of a signal state in the other, which is characterized using homodyne tomography. By controlling the beam splitting ratio, the signal state can be chosen anywhere between the single-photon and squeezed state. (C) 2010 Optical Society of America