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Experimental demonstration of quantum teleportation of a squeezed state

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Publication details

JournalPhysical Review Letters
DatePublished - 14 Sep 2007
Issue number11
Pages (from-to)Art. No. 110503
Original languageEnglish


We demonstrate an unconditional high-fidelity teleporter capable of preserving the broadband entanglement in an optical squeezed state. In particular, we teleport a squeezed state of light and observe -0.8 ± 0.2dB of squeezing in the teleported (output) state. We show that the squeezing criterion translates directly into a sufficient criterion for entanglement of the upper and lower sidebands of the optical field. Thus, this result demonstrates the first unconditional teleportation of broadband entanglement. Our teleporter achieves sufficiently high fidelity to allow the teleportation to be cascaded, enabling, in principle, the construction of deterministic non-Gaussian operations.

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© 2007 The American Physical Society. This is an author produced version of a paper published in Physical Review Letters. Uploaded in accordance with the publisher's self-archiving policy.

    Research areas

  • Continuous-variables, Light

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