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Local Transformation of Two EPR Photon Pairs into a Three-Photon W State Using a Polarization Dependent Beamsplitter

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Abstract

We have theoretically proposed and experimentally demonstrated that two EPR photon pairs can be transformed into a three-photon W state by local operation and classical communication (LOCC). The fidelity of the final state to the ideal W state was 0.778±0.043. The obtained expectation value of the witness operator for distinguishing between the three-photon W state and bi-separable states was − 0.111±0.043.

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© 2010 ICST Institute for Computer Science, Social Informatics and Telecommunications Engineering

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Tashima, T., Wakatsuki, T., Özdemir, Ş.K., Yamamoto, T., Koashi, M., Imoto, N. (2010). Local Transformation of Two EPR Photon Pairs into a Three-Photon W State Using a Polarization Dependent Beamsplitter. In: Sergienko, A., Pascazio, S., Villoresi, P. (eds) Quantum Communication and Quantum Networking. QuantumComm 2009. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 36. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-11731-2_5

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  • DOI: https://doi.org/10.1007/978-3-642-11731-2_5

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-11730-5

  • Online ISBN: 978-3-642-11731-2

  • eBook Packages: Computer ScienceComputer Science (R0)

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