Remote preparation of single photon vortex thermal states
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2020
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Photon pairs produced in spontaneous parametric down-conversion are naturally entangled in their transverse spatial degrees of freedom including the orbital angular momentum. Pumping a nonlinear crystal with a zero-order Gaussian mode produces quantum correlated signal and idler photons with equal orbital angular momentum and opposite signs. Measurements performed on one of the photons prepares the state of the other remotely. We study the remote state preparation in this system from the perspective of its potential application to Quantum Thermodynamics.
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HÄFFNER, T. et al. Remote preparation of single photon vortex thermal states. European Physical Journal Plus, Berlin, v. 135, e135, 2020. DOI: 10.1140/epjp/s13360-020-00609-z. Disponível em: https://link.springer.com/article/10.1140/epjp/s13360-020-00609-z. Acesso em: 21 fev. 2024.