Deterministic qubit transfer between orbital and spin angular momentum of single photons

Abstract

In this work we experimentally implement a deterministic transfer of a generic qubit initially encoded in the orbital angular momentum of a single photon to its polarization. Such transfer of quantum information, completely reversible, has been implemented adopting a electrically tunable q-plate device and a Sagnac interferomenter with a Dove's prism. The adopted scheme exhibits a high fidelity and low losses.

3 pages, 2 figures

References in corpus (5)

• Optical spin-to-orbital angular momentum conversion in inhomogeneous anisotropic media
• Efficient generation and sorting of orbital angular momentum eigenmodes of light by thermally tuned q-plates
• Photon spin-to-orbital angular momentum conversion via an electrically tunable $q$-plate
• Experimental optimal cloning of four-dimensional quantum states of photons
• Experimental generation and characterization of single-photon hybrid ququarts based on polarization-orbital angular momentum encoding

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• A resource-saving realization of the polarization-independent orbital-angular-momentum-preserving tunable beam splitter
• Twin GHZ-states behave differently