News From the Field
Caltech Physicists Detect Entanglement of One Photon Shared Among Four Locations
May 8, 2009
Scientists at the California Institute of Technology have developed an efficient method to detect entanglement shared among multiple parts of an optical system. They show how entanglement, in the form of beams of light simultaneously propagating along four distinct paths, can be detected with a small number of measurements. Entanglement is an essential resource in quantum information science, which is the study of advanced computation and communication based on the laws of quantum mechanics.
California Institute of Technology
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