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Quantum Computation and Quantum Communication with Entangled Photons

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Abstract

Entanglement is a fundamental resource both in long-distance quantum communication and in quantum computation. Because of its obvious indispensability in quantum teleportation, entanglement is crucial for quantum repeaters. Recently [1], we were able to synchronize two completely independent sources of entangled photons such that entanglement swapping became possible with independent lasers with high fidelity. In a future experiment, such lasers can be separated by kilometer distances.

© 2007 Optical Society of America

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