Simon, C., Afzelius, M., Appel, J., De La Giroday, A. Boyer, Dewhurst, S. J., Gisin, N., ...
We perform a review of various approaches to the implementation of quantum memories, with an emphasis on activities within the quantum memory sub-project of the EU Integrated Project "Qubit...
Operational multipartite entanglement classes for symmetric photonic qubit states (2009)
Kiesel, N., Wieczorek, W., Krins, S., Bastin, T., Weinfurter, H., Solano, E.
We present experimental schemes that allow to study the entanglement classes of all symmetric states in multiqubit photonic systems. In addition to comparing the presented schemes in efficiency, we...
Experimental demonstration of universal symmetric quantum telecloning (2009)
Gaertner, S., Lau, J., Kiesel, N., Bourennane, M., Weinfurter, H.
Quantum telecloning is a multiparty quantum communication protocol which allows quantum information broadcasting. It can be, therefore, seen as a generalization of quantum teleportation. However, in...
Accommodation of a quantum communication transceiver in (2008)
J. M. Perdigues Armengol, C. J. De Matos, W. R. Leeb, M. Pfennigbauer, G. Neckamm, F. Tiefenbacher, ...
an optical terminal
Long-distance atom-photon entanglement (2008)
Rosenfeld, W., Hocke, F., Henkel, F., Krug, M., Volz, J., Weber, M., ...
We report the observation of entanglement between a single trapped atom and a single photon at remote locations. The degree of coherence of the entangled atom-photon pair is verified via appropriate...
Experimental observation of an entire family of four-photon entangled states (2008)
Wieczorek, W., Schmid, C., Kiesel, N., Pohlner, R., Gühne, O., Weinfurter, H.
A single linear-optical setup is used to observe an entire family of four-photon entangled states. This approach breaks with the inflexibility of present linear-optical setups usually designed for...
Revealing anyonic statistics with multiphoton entanglement (2007)
Pachos, J. K., Wieczorek, W., Schmid, C., Kiesel, N., Pohlner, R., Weinfurter, H.
In three spatial dimensions, there are only two possible types of statistics dividing particles into two groups: bosons and fermions. If one is restricted to two-dimensional systems the situation...
Entanglement-based quantum communication over 144km (2007)
Ursin, R., Tiefenbacher, F., Schmitt-Manderbach, T., Weier, H., Scheidl, T., Lindenthal, M., ...
Experimental Quantum Secret Sharing (2007)
Schmid, C., Trojek, P., Gaertner, S., Bourennane, M., Kurtsiefer, C., Zukowski, M., ...
Free Space Quantum Key Distribution: Towards a Real Life Application (2007)
Weier, H., Schmitt-Manderbach, T., Regner, N., Kurtsiefer, C., Weinfurter, H.
Experimental Single Qubit Quantum Multiparty Communication (2007)
Bourennane, M., Schmid, C., Trojek, P., Kurtsiefer, C., Brukner, C., Zukowski, M., ...
The Entanglement of the Symmetric Four-photon Dicke State (2007)
Schmid, C., Kiesel, N., Laskowski, W., Solano, E., Toth, G., Zukowski, M., ...
Experimental Single Qubit Quantum Multiparty Communication. (2007)
Bourennane, M., Schmid, C., Trojek, P., Kurtsiefer, C., Brukner, C., Zukowski, M., ...
The Entanglement of the Symmetric Four-photon Dicke State. (2007)
Schmid, C., Kiesel, N., Laskowski, W., Solano, E., Tòth, G., Zukowski, M., ...
Experimental demonstration of four-party quantum secret sharing (2006)
Gaertner, S., Kurtsiefer, C., Bourennane, M., Weinfurter, H.
Secret sharing is a multiparty cryptographic task in which some secret information is splitted into several pieces which are distributed among the participants such that only an authorized set of...
Free-Space distribution of entanglement and single photons over 144 km (2006)
Ursin, R., Tiefenbacher, F., Schmitt-Manderbach, T., Weier, H., Scheidl, T., Lindenthal, M., ...
Quantum Entanglement is the essence of quantum physics and inspires fundamental questions about the principles of nature. Moreover it is also the basis for emerging technologies of quantum...
Experimental One-Way Quantum Computing (2005)
Walther, P., Resch, K. J., Rudolph, T., Schenck, E., Weinfurter, H., Vedral, V., ...
Standard quantum computation is based on sequences of unitary quantum logic gates which process qubits. The one-way quantum computer proposed by Raussendorf and Briegel is entirely different. It has...
Experimental one-way quantum computing (2005)
P. Walther, K. J. Resch, T. Rudolph, E. Schenck, H. Weinfurter, V. Vedral, ...
Resch, K. J., Lindenthal, M., Blauensteiner, B., Boehm, H. R., Fedrizzi, A., Kurtsiefer, C., ...
We have distributed entangled photons directly through the atmosphere to a receiver station 7.8 km away over the city of Vienna, Austria at night. Detection of one photon from our entangled pairs...
Resch, K., Lindenthal, M., Blauensteiner, B., Böhm, H., Fedrizzi, A., Kurtsiefer, C., ...
We have distributed entangled photons directly through the atmosphere to a receiver station 7.8 km away over the city of Vienna, Austria at night. Detection of one photon from our entangled pairs...
Practical Quantum Key Distribution with Polarization-Entangled Photons (2004)
Poppe, A., Fedrizzi, A., Loruenser, T., Maurhardt, O., Ursin, R., Boehm, H. R., ...
We present an entangled-state quantum cryptography system that operated for the first time in a real world application scenario. The full key generation protocol was performed in real time between...
Practical quantum key distribution with polarization entangled photons (2004)
Poppe, A., Fedrizzi, A., Ursin, R., Böhm, H., Lörunser, T., Maurhardt, O., ...
We present an entangled-state quantum cryptography system that operated for the first time in a real-world application scenario. The full key generation protocol was performed in real-time between...
Experimental observation of four-photon entanglement from down-conversion (2003)
Eibl, M., Gaertner, S., Bourennane, M., Kurtsiefer, Ch., Zukowski, M., Weinfurter, H.
We observe polarization-entanglement between four photons produced from a single down-conversion source. The non-classical correlations between the measurement results violate a generalized Bell...
Experimental demonstration of entanglement robustness in four-qubits entangled system (2003)
Bourennane, M., Eibl, M., Gaertner, S., Kurtsiefer, C., Weinfurter, H.
Four Photon Entanglement from Parametric Down Conversion (2003)
Eibl, M., Gaertner, S., Kurtsiefer, C., Zukowski, M., Weinfurter, H.
Quantum cryptography: A step towards global key distribution (2002)
C. Kurtsiefer, P. Zarda, M. Halder, H. Weinfurter, P. M. Gorman, P. R. Tapster, ...
High-efficiency quantum interrogation measurements via the quantum Zeno effect (1999)
Kwiat, P. G., White, A. G., Mitchell, J. R., Nairz, O., Weihs, G., Weinfurter, H., ...
The phenomenon of quantum interrogation allows one to optically detect the presence of an absorbing object, without the measuring light interacting with it. In an application of the quantum Zeno...
High-efficiency Quantum Interrogation Measurements via the Quantum Zeno Effect (1999)
Kwiat, P. G., White, A. G., Mitchell, J. R., Nairz, O., Weihs, G., Weinfurter, H., ...
The phenomenon of quantum interrogation allows one to optically detect the presence of an absorbing object, without the measuring light interacting with it. In an application of the quantum Zeno...
High-efficiency Quantum Interrogation Measurements via the Quantum Zeno Effect (1999)
Kwiat, P. G., White, A. G., Mitchell, J. R., Nairz, O., Weihs, G., Weinfurter, H., ...
The phenomenon of quantum interrogation allows one to optically detect the presence of an absorbing object, without the measuring light interacting with it. In an application of the quantum Zeno...
High-Efficiency Quantum Interrogation Measurements via the (1999)
Kwiat, P. G., White, A. G., Mitchell, J. R., Nairz, O., Weihs, G., Weinfurter, H., ...
The phenomenon of quantum interrogation allows one to optically detect the presence of an absorbing object, without the measuring light interacting with it. In an application of the quantum Zeno...
Reply: A posteriori teleportation (1998)
D. Bouwmeester, J.-W. Pan, M. Daniell, H. Weinfurter, M. Zukowski, A. Zeilinger
Elementary gates for quantum computation (1995)
Barenco, A., Bennett, C. H., Cleve, R., DiVincenzo, D. P., Margolus, N., Shor, P., ...
We show that a set of gates that consists of all one-bit quantum gates (U(2)) and the two-bit exclusive-or gate (that maps Boolean values $(x,y)$ to $(x,x \oplus y)$) is universal in the sense that...
DOMAIN STRUCTURE STUDIES OF HARDMAGNETIC MATERIALS BY NEUTRON DEPOLARIZATION (1988)
Badurek, G., Giersig, R., Grössinger, R., Veider, A., Weinfurter, H.
The domain structure of a simple bariumferrite and a sintered Nd-Fe-B magnet was analysed by means of three-dimensional neutron depolarisation between 10 K and room temperature. The temperature...
DYNAMICAL STUDIES ON MAGNETIC CLUSTER SYSTEMS BY TIME-RESOLVED NEUTRON DEPOLARIZATION (1988)
Veider, A., Badurek, G., Weinfurter, H., Stierstadt, K.
The interpretation of neutron depolarization experiments in magnetic cluster- and fine particle systems has been treated theoretically by considering whether the motion of thermal neutrons is...
DOMAIN STRUCTURE STUDIES OF HARDMAGNETIC MATERIALS BY NEUTRON DEPOLARIZATION (1988)
Badurek, G., Giersig, R., Grössinger, R., Veider, A., Weinfurter, H.
The domain structure of a simple bariumferrite and a sintered Nd-Fe-B magnet was analysed by means of three-dimensional neutron depolarisation between 10 K and room temperature. The temperature...
DYNAMICAL STUDIES ON MAGNETIC CLUSTER SYSTEMS BY TIME-RESOLVED NEUTRON DEPOLARIZATION (1988)
Veider, A., Badurek, G., Weinfurter, H., Stierstadt, K.
The interpretation of neutron depolarization experiments in magnetic cluster- and fine particle systems has been treated theoretically by considering whether the motion of thermal neutrons is...
DOMAIN STRUCTURE STUDIES OF HARDMAGNETIC MATERIALS BY NEUTRON DEPOLARIZATION (1988)
Badurek, G., Giersig, R., Grössinger, R., Veider, A., Weinfurter, H.
The domain structure of a simple bariumferrite and a sintered Nd-Fe-B magnet was analysed by means of three-dimensional neutron depolarisation between 10 K and room temperature. The temperature...
DYNAMICAL STUDIES ON MAGNETIC CLUSTER SYSTEMS BY TIME-RESOLVED NEUTRON DEPOLARIZATION (1988)
Veider, A., Badurek, G., Weinfurter, H., Stierstadt, K.
The interpretation of neutron depolarization experiments in magnetic cluster- and fine particle systems has been treated theoretically by considering whether the motion of thermal neutrons is...
DOMAIN STRUCTURE STUDIES OF HARDMAGNETIC MATERIALS BY NEUTRON DEPOLARIZATION (1988)
Badurek, G., Giersig, R., Grössinger, R., Veider, A., Weinfurter, H.
The domain structure of a simple bariumferrite and a sintered Nd-Fe-B magnet was analysed by means of three-dimensional neutron depolarisation between 10 K and room temperature. The temperature...
DYNAMICAL STUDIES ON MAGNETIC CLUSTER SYSTEMS BY TIME-RESOLVED NEUTRON DEPOLARIZATION (1988)
Veider, A., Badurek, G., Weinfurter, H., Stierstadt, K.
The interpretation of neutron depolarization experiments in magnetic cluster- and fine particle systems has been treated theoretically by considering whether the motion of thermal neutrons is...
DOMAIN STRUCTURE STUDIES OF HARDMAGNETIC MATERIALS BY NEUTRON DEPOLARIZATION (1988)
Badurek, G., Giersig, R., Grössinger, R., Veider, A., Weinfurter, H.
The domain structure of a simple bariumferrite and a sintered Nd-Fe-B magnet was analysed by means of three-dimensional neutron depolarisation between 10 K and room temperature. The temperature...
DYNAMICAL STUDIES ON MAGNETIC CLUSTER SYSTEMS BY TIME-RESOLVED NEUTRON DEPOLARIZATION (1988)
Veider, A., Badurek, G., Weinfurter, H., Stierstadt, K.
The interpretation of neutron depolarization experiments in magnetic cluster- and fine particle systems has been treated theoretically by considering whether the motion of thermal neutrons is...
NEUTRON DEPOLARIZATION STUDY OF MAGNETIC CLUSTERING IN Cu-Co, CoxGa1-x AND Y (FexCo1-x)2 (1982)
Badurek, G., Janeschitz, G., Weinfurter, H., Hammer, J., Rauch, H., Steiner, W.
Using our newly developed dynamical neutron depolarization facility we have studied magnetic aftereffects both within a ferromagnetic Mu-metal foil and a superparamagnetic Cu-1%Co single crystal....
NEUTRON DEPOLARIZATION STUDY OF MAGNETIC CLUSTERING IN Cu-Co, CoxGa1-x AND Y (FexCo1-x)2 (1982)
Badurek, G., Janeschitz, G., Weinfurter, H., Hammer, J., Rauch, H., Steiner, W.
Using our newly developed dynamical neutron depolarization facility we have studied magnetic aftereffects both within a ferromagnetic Mu-metal foil and a superparamagnetic Cu-1%Co single crystal....
NEUTRON DEPOLARIZATION STUDY OF MAGNETIC CLUSTERING IN Cu-Co, CoxGa1-x AND Y (FexCo1-x)2 (1982)
Badurek, G., Janeschitz, G., Weinfurter, H., Hammer, J., Rauch, H., Steiner, W.
Using our newly developed dynamical neutron depolarization facility we have studied magnetic aftereffects both within a ferromagnetic Mu-metal foil and a superparamagnetic Cu-1%Co single crystal....
NEUTRON DEPOLARIZATION STUDY OF MAGNETIC CLUSTERING IN Cu-Co, CoxGa1-x AND Y (FexCo1-x)2 (1982)
Badurek, G., Janeschitz, G., Weinfurter, H., Hammer, J., Rauch, H., Steiner, W.
Using our newly developed dynamical neutron depolarization facility we have studied magnetic aftereffects both within a ferromagnetic Mu-metal foil and a superparamagnetic Cu-1%Co single crystal....
NEUTRON DEPOLARIZATION STUDY OF MAGNETIC CLUSTERING IN Cu-Co, CoxGa1-x AND Y (FexCo1-x)2 (1982)
Badurek, G., Janeschitz, G., Weinfurter, H., Hammer, J., Rauch, H., Steiner, W.
Using our newly developed dynamical neutron depolarization facility we have studied magnetic aftereffects both within a ferromagnetic Mu-metal foil and a superparamagnetic Cu-1%Co single crystal....
High-efficiency Quantum Interrogation Measurements via the Quantum Zeno Effect
Kwiat, P. G., White, A. G., Mitchell, J. R., Nairz, O., Weihs, G., Weinfurter, H., ...
The phenomenon of quantum interrogation allows one to optically detect the presence of an absorbing object, without the measuring light interacting with it. In an application of the quantum Zeno...