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- University of WaterlooCA140 papers
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17 papers · 2 filters
Unconditionally secure device-independent quantum key distribution with only two devices
Jonathan Barrett, Roger Colbeck, Adrian Kent
Device-independent quantum key distribution is the task of using uncharacterized quantum devices to establish a shared key between two users. If a protocol is secure regardless of…
Processing quantum information with relativistic motion of atoms
Eduardo Martin-Martinez, David Aasen, Achim Kempf
We show that particle detectors, such as 2-level atoms, in non-inertial motion (or in gravitational fields) could be used to build quantum gates for the processing of quantum infor…
Entanglement and discord: accelerated observations of local and global modes
Jason Doukas, Eric G. Brown, Andrzej Dragan +1
We investigate the amount of entanglement and quantum discord extractable from a two mode squeezed state as considered from the viewpoint of two observers, Alice (inertial) and Rob…
Studying Free-Space Transmission Statistics and Improving Free-Space QKD in the Turbulent Atmosphere
C. Erven, B. Heim, E. Meyer-Scott +4
The statistical fluctuations in free-space links in the turbulent atmosphere are important for the distribution of quantum signals. To that end, we first study statistics generated…
Experimental scheme for qubit and qutrit symmetric informationally complete positive operator-valued measurements using multiport devices
Gelo Noel M. Tabia
It is crucial for various quantum information processing tasks that the state of a quantum system can be determined reliably and efficiently from general quantum measurements. One…
Three path interference using nuclear magnetic resonance: a test of the consistency of Born's rule
Daniel K. Park, Osama Moussa, Raymond Laflamme
The Born rule is at the foundation of quantum mechanics and transforms our classical way of understanding probabilities by predicting that interference occurs between pairs of inde…