Ursin Group
ÖAW   Quantum Physics and Quantum Communication
Quantum Physics and Quantum Communication - Ursin Group
Quantum Physics and Quantum Communication – Ursin Group

Publications by Ursin Group (28)

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Quantum teleportation over 143 kilometres using active feed-forward

X.-S. Ma, T. Herbst, T. Scheidl, D. Wang, S. Kropatschek, W. Naylor, B. Wittmann, A. Mech, J. Kofler, E. Anisimova, V. Makarov, T. ...
Nature, Vol. 489, 269-273 (2012)

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Experimental quantum teleportation over a high-loss free-space channel

X.-S. Ma, S. Kropatschek, W. Naylor, T. Scheidl, J. Kofler, T. Herbst, A. Zeilinger, R. Ursin
Optics Express, Vol. 20, 23126-23137 (2012)

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Highly efficient heralding of entangled single photons

S. Ramelow, A. Mech, M. Giustina, S. Gröblacher, W. Wieczorek, A. Lita, B. Calkins, T. Gerrits, S. Woo Nam, A. Zeilinger, R. Ursin
Optics Express, Vol. 21, 6707-6717 (2013)

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A high-brightness source of polarization-entangled photons optimized for applications in free space

F. Steinlechner, P. Trojek, M. Jofre, H. Weier, T. Jennewein, R. Ursin, J. G. Rarity, M. W. Mitchell, J. P. Torres, H. Weinfurter, V. ...
Optics Express, Vol. 20, 9640-9649 (2012)

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Impact of Turbulence in Long Range Quantum and Classical Communications

I. Capraro, A. Tomaello, A. Dall'Arche, F. Gerlin, R. Ursin, G. Vallone, P. Villoresi
Physical Review Letters, Vol. 109, 200502 (2012)

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Quantum erasure with causally disconnected choice

J. Kofler, A. Qarry, N. Tetik, T. Scheidl, R. Ursin, S. Ramelow, T. Herbst, L. Ratschbacher, A. Fedrizzi, T. Jennewein, A. Zeilinger
PNAS, Vol. 110, 1221-1226 (2013)

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Entanglement detection with bounded reference frames

F. M. Costa, N. Harrigan, T. Rudolph, Č. Brukner
New Journal of Physics, Vol. 11, 123007 (2009)

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Comment on: Testing the speed of 'spooky action at a distance'

J. Kofler, R. Ursin, Č. Brukner
arXiv: quant-ph, 0810.4452 (2008)

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Space-QUEST. Experiments with quantum entanglement in space

R. Ursin, T. Jennewein, J. Kofler, J. Perdigues, L. Cacciapuoti, C. Matos, M. Aspelmeyer, A. Valencia, T. Scheidl, A. Fedrizzi, A. Acin, C. ...

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Fast optical source for quantum key distribution based on semiconductor optical amplifiers

M. Jofre, M. W. Mitchell, J. P. Torres, T. Jennewein, J. Perdigues, E. Bernabeu, L. M. Sanchez-Brea, F. J. Torcal-Milla, F. Garcia, J. A. ...
Optics Express, Vol. 19, 3825-3834 (2011)

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Applications of quantum communication protocols in real world scenarios towards space

R. Ursin, F. Tiefenbacher, T. Jennewein, A. Zeilinger
Elektrotechnik & Informationstechnik, Vol. 5, 149–153 (2007)

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De Broglie Wavelength of a Nonlocal Four-Photon state

P. Walther, J. W. Pan, M. Aspelmeyer, R. Ursin, S. Gasparoni, A. Zeilinger
Nature, Vol. 429, 158-161 (2004)

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Long-Distance Free-Space Distribution of Quantum Entanglement

M. Aspelmeyer, H. R. Böhm, T. Gyatso, T. Jennewein, R. Kaltenbaek, M. Lindenthal, G. Molina-Terriza, A. Poppe, K. J. Resch, M. Taraba, R. ...
Science, Vol. 301, 621-623 (2003)

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