Quantum scissors: teleportation of single-mode optical states by means of a nonlocal single photon

Details Quantum scissors: teleportation of single-mode optical states by means of a nonlocal single photon Quantum scissors: teleportation of single-mode optical states by means of a nonlocal single photon

2002-08-12

arxiv.org/abs/quant-ph/0208066v1

Europhysics Letters 64, 1 (2003)

Physics

Quantum Physics

Scientific paper

10.1209/epl/i2003-00504-y

We employ the quantum state of a single photon entangled with the vacuum (|1,0>-|0,1>), generated by a photon incident upon a symmetric beam splitter, to teleport single-mode quantum states of light by means of the Bennett protocol. Teleportation of coherent states results in truncation of their Fock expansion to the first two terms. We analyze the teleported ensembles by means of homodyne tomography and obtain fidelities of up to 99 per cent for low source state amplitudes. This work is an experimental realization of the quantum scissors device proposed by Pegg, Phillips and Barnett (Phys. Rev. Lett. 81, 1604 (1998))

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