Remote preparation of single photon vortex thermal states
T. H\"affner, G. L. Zanin, R. M. Gomes, L. C. C\'eleri, and P. H., Souto Ribeiro
TL;DR
This paper explores remote state preparation of single photon vortex thermal states using entangled photon pairs generated via spontaneous parametric down-conversion, with potential applications in Quantum Thermodynamics.
Contribution
It demonstrates a method for remotely preparing vortex thermal states of single photons leveraging entanglement in orbital angular momentum.
Findings
Remote preparation of vortex thermal states is feasible.
Entanglement in orbital angular momentum enables remote state control.
Potential applications in Quantum Thermodynamics are identified.
Abstract
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 non-linear 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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Taxonomy
TopicsQuantum Information and Cryptography · Quantum Mechanics and Applications · Advanced Thermodynamics and Statistical Mechanics