Abstract
Quantum Fourier gates (QFG) constitute a complete family of quantum gates that result from an exact combination of the quantum Fourier transform (QFT) and the SWAP gate. Therefore, the Feynman Gate constitutes the simplest example of this family, while the Bell states are the simplest cases of entangled states derived from the family. Moreover, this new tool will allow us to demonstrate that teleportation is not something that happens exclusively thanks to maximally and non-maximally entangled states, but that it is also possible with an incomplete form of entanglement known as rough entanglement. Finally, other applications necessary for the quantum Internet are incorporated.
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Data availability
The experimental data that support the findings of this study are available in ResearchGate with the identifier https://doi.org/10.13140/RG.2.2.24802.20161.
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MM conceived the idea and fully developed the theory, developed the experiments on the simulator and the optical table, wrote the complete manuscript, prepared figures, and reviewed the manuscript.
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Mastriani, M. Quantum Fourier states and gates: teleportation via rough entanglement. Opt Quant Electron 55, 1111 (2023). https://doi.org/10.1007/s11082-023-05299-2
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DOI: https://doi.org/10.1007/s11082-023-05299-2