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quant-ph2005
Quantum key distribution with higher-order alphabets using spatially-encoded qudits
S. P. Walborn, D. S. Lemelle, M. P. Almeida +1
We propose and demonstrate a quantum key distribution scheme in higher-order -dimensional alphabets using spatial degrees of freedom of photons. Our implementation allows for th…
quant-ph2005
Theoretical investigation of moiré patterns in quantum images
M. P. Almeida, P. H. Souto Ribeiro, J. A. O. Huguenin +1
Moiré patterns are produced when two periodic structures with different spatial frequencies are superposed. The transmission of the resulting structure gives rise to spatial beatin…