We present the latest results on the experimental generation of the position and momentum (x-p) entanglement for bright optical beams . Spatial entanglement of light is a direct demonstration of entanglement of the momentum and position of laser beam as envisioned in the original publication by Einstein, Podolsky and Rosen . Spatial entanglement has potential applications in quantum imaging systems and for quantum communication protocols. The position-momentum entanglement was observed in the form of the degree of inseparability, which was measured to be no larger than 0.76.
© 2007 Optical Society of America
C. Harb, K. I. Wagner, H. Zou, J. Janousek, V. Delaubert, N. Treps, P. K. Lam, and H. A. Bachor, "Demonstrating Spatial Entanglement for the Position and Momentum of Laser Beams," in Quantum-Atom Optics Downunder, OSA Technical Digest (CD) (Optical Society of America, 2007), paper QMB4.
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