@misc{indiciae098f20e80d62, title = {Quantum key distribution with higher-order alphabets using spatially encoded qudits.}, author = {S P Walborn and D S Lemelle and M P Almeida and P H Souto Ribeiro}, year = {2006}, doi = {10.1103/physrevlett.96.090501}, url = {https://pubmed.ncbi.nlm.nih.gov/16606248/}, note = {Source identifier: 16606248} }