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American Physical Society, Physical Review Letters, 2(96)

DOI: 10.1103/physrevlett.96.020502

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Remote preparation of arbitrary time-encoded single-photon ebits

Journal article published in 2005 by Alessandro Zavatta ORCID, Milena D'Angelo, Marco Bellini, Valentina Parigi
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We propose and experimentally verify a novel method for the remote preparation of entangled bits (ebits) made of a single-photon coherently delocalized in two well-separated temporal modes. The proposed scheme represents a remotely tunable source for tailoring arbitrary ebits, whether maximally or non-maximally entangled, which is highly desirable for applications in quantum information technology. The remotely prepared ebit is studied by performing homodyne tomography with an ultra-fast balanced homodyne detection scheme recently developed in our laboratory. ; Comment: 4 pages, 4 figures, accepted for publication on Phys. Rev. Lett