Universal entanglement decay of photonic-orbital-angular-momentum qubit states in atmospheric turbulence

2014/08/14 by Nina Leonhard, Nina D. Leonhard, Vyacheslav Shatokhin +2
Computer Science · Physics and Astronomy · #Angular momentum #Atmospheric turbulence #Mechanics #Orbital Angular Momentum in Optics #Orbital angular momentum of light #Photonics #Physics #Quantum #Quantum Information and Cryptography #Quantum electrodynamics #Quantum entanglement #Quantum mechanics #Quantum optics and atomic interactions #Qubit #Total angular momentum quantum number #Turbulence #quant-ph

paper · pdf · doi:10.1103/physreva.91.012345

published as Phys. Rev. A 91, 012345 (2015) · 4 pages, 3 figures

arxiv created 2014/08/14 · openalex publication_date 2015/01/30 · openalex created_date 2016/06/24 · arxiv updated 2017/01/12 · openalex updated_date 2026/08/05

Abstract

We consider the propagation of two photonic qubits, initially maximally entangled in their orbital angular momenta (OAM), across a weakly turbulent atmosphere. By introducing the phase correlation length of an OAM beam, we show that the photonic entanglement exhibits a universal exponential decay.

Citations

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