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Conferences > QELS > 2007 > QThJ > QThJ6
  • Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies
  • OSA Technical Digest (CD) (Optica Publishing Group, 2007),
  • paper QThJ6

Simple Experimental Generation of a Four-Photon Cluster State and Distinguishing Classes of Genuine Four-Qubit Entanglement Using Witness Operators

Yuuki Tokunaga, Shin Kuwashiro, Takashi Yamamoto, Masato Koashi, and Nobuyuki Imoto

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Abstract

We experimentally demonstrate a simple scheme for generating a four-photon cluster state. We show that the produced state has genuine four-qubit entanglement which is discriminated from a class including GHZ and W types of entanglement.

© 2007 Optical Society of America

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