A quantum memory for orbital angular momentum photonic qubits - Archive ouverte HAL Accéder directement au contenu
Pré-Publication, Document De Travail Année : 2013

A quantum memory for orbital angular momentum photonic qubits

Résumé

Among the optical degrees of freedom, the orbital angular momentum of light provides unique properties, including mechanical torque action with applications for light manipulation, enhanced sensitivity in imaging techniques and potential high-density information coding for optical communication systems. Recent years have also seen a tremendous interest in exploiting orbital angular momentum at the single-photon level in quantum information technologies. In this endeavor, here we demonstrate the implementation of a quantum memory for quantum bits encoded in this optical degree of freedom. We generate various qubits with computer-controlled holograms, store and retrieve them on demand. We further analyse the retrieved states by quantum tomography and thereby demonstrate fidelities exceeding the classical benchmark, confirming the quantum functioning of our storage process. Our results provide an essential capability for future networks exploring the promises of orbital angular momentum of photons for quantum information applications.

Dates et versions

hal-00906649 , version 1 (20-11-2013)

Identifiants

Citer

A. Nicolas, L. Veissier, L. Giner, E. Giacobino, D. Maxein, et al.. A quantum memory for orbital angular momentum photonic qubits. 2013. ⟨hal-00906649⟩
196 Consultations
0 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More