Simple scheme for expanding a polarization-entangled W state by adding one photon

Details Simple scheme for expanding a polarization-entangled W state by adding one photon Simple scheme for expanding a polarization-entangled W state by adding one photon

2008-10-15

arxiv.org/abs/0810.2705v1

J. Phys. B: At. Mol. Opt. Phys. 42 (2009) 035503

Physics

Quantum Physics

3 pages, 2 figures

Scientific paper

10.1088/0953-4075/42/3/035503

We propose a simple scheme for expanding a polarization-entangled W state. By
mixing a single photon and one of the photons in an n-photon W state at a
polarization-dependent beam splitter (PDBS), we can obtain an (n+1)-photon W
state after post-selection. Our scheme also opens the door for generating
n-photon W states using single photons and linear optics.

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