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Conference on Lasers and Electro-Optics

Complete Bell state measurement realized utilizing time-polarization hyperentanglment

Brian P. Williams, Travis S. Humble

Published Jan 1, 2016• 0 citations
Publisher

Abstract

We report deterministic measurement of time-polarization hyperentangled two-photon Bell states with common single-photon detectors. Optical fiber distributed Bell states are detected with 84−93% success, demonstrating that our method may enable superdense coding over fiber channels.
DOI
10.1364/cleo_qels.2016.fm2n.8

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We propose a simple scheme for complete Bell-state measurement of photons using hyperentangled states---entangled in multiple degrees of freedom. In addition to hyperentanglement, our scheme requires only linear optics and single photon detectors, and is realizable with current technology. At the cost of additional classical communication, our Bell-state measurement can be implemented nonlocally. We discuss the possible application of these results to quantum dense coding and quantum teleportation.