Quantum state conversion by cross-Kerr interaction

Details Quantum state conversion by cross-Kerr interaction Quantum state conversion by cross-Kerr interaction

2001-11-27

arxiv.org/abs/quant-ph/0111149v1

Physics

Quantum Physics

22 pages, 4 figures, using a4.sty

Scientific paper

10.1088/1464-4266/4/2/312

A generalized Mach-Zehnder-type interferometer equipped with cross-Kerr elements is proposed to convert N-photon truncated single-mode quantum states into (N+1)-mode single-photon states, which are suitable for further state manipulation by means of beam splitter arrays and ON/OFF-detections, and vice versa. Applications to the realization of unitary and non-unitary transformations, quantum state reconstruction, and quantum telemanipulation are studied.

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