We describe the development of a quantum key distribution (QKD)
scheme based on ultrafast laser pumped sources of entangled photon
pairs and the engineering of their entanglement properties. Though
quantum entanglement has been shown to be a useful resource for
quantum key distribution, little work has been carried out in
making use of the full range of joint entanglement behavior present in hyper-entangled photon pairs. We consider the principal advantages of our QKD scheme in connection with the way
DOI: 10.1117/12.450941Current SPIE Digital Library subscribers
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