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Experimental quantum key distribution with simulated ground-to-satellite photon losses and processing limitations
Jean-Philippe Bourgoin, Nikolay Gigov, Brendon L. Higgins +5
Quantum key distribution (QKD) has the potential to improve communications security by offering cryptographic keys whose security relies on the fundamental properties of quantum ph…
Overcoming lossy channel bounds using a single quantum repeater node
David Luong, Liang Jiang, Jungsang Kim +1
We propose a scheme for performing quantum key distribution (QKD) which has the potential to beat schemes based on the direct transmission of photons between the communicating part…
Self-referenced continuous-variable quantum key distribution protocol
Daniel B. S. Soh, Constantin Brif, Patrick J. Coles +4
We introduce a new continuous-variable quantum key distribution (CV-QKD) protocol, self-referenced CV-QKD, that eliminates the need for transmission of a high-power local oscillato…
Security loophole in free-space quantum key distribution due to spatial-mode detector-efficiency mismatch
Shihan Sajeed, Poompong Chaiwongkhot, Jean-Philippe Bourgoin +3
In free-space quantum key distribution (QKD), the sensitivity of the receiver's detector channels may depend differently on the spatial mode of incoming photons. Consequently, an a…