Prevedel Robert (Austria)

Robert Prevedel

Research Topic: Fast Functional Imaging Tools and Methods
Research Group: Alipasha Vaziri
E-mail: robert.prevedel(at)
Phone: 0043 1 427 752 275


Title: Experimental all-optical one-way quantum computing
Supervisor: Prof. Dr. Anton Zeilinger
Institute: University of Vienna, Austria

Research Positions

Group Leader, Cell Biology and Biophysics Unit, European Molecular Biology Laboratory (EMBL), Heidelberg, Germany.
Advanced optical techniques for deep tissue microscopy
Senior Post-Doctoral Fellow, Research Institute for Molecular Pathology (IMP) and Max F. Perutz Laboratories GmbH  (MFPL), Vienna, Austria.
Quantum effects in biological systems, entangled-photon microscopy, fast functional imaging
Post-Doctoral Fellow, Institute for Quantum Computing, University of Waterloo, Canada.
Chirped-pulse interferometry, non-linear optics, multiphoton entanglement.
Advisor: Kevin Resch
Research and Teaching Assistant, Faculty of Physics, University of Vienna, Austria.
Multiphoton entanglement, one-way quantum computing.
Advisor: Anton Zeilinger
Joint Study Fellow, Department of Physics, University of Queensland, Brisbane, Australia.
Research stay (6 months) at the Quantum Technology Laboratory.
Advisor: Andrew White
Scientific Assistant, Institute for Experimental Physics, University of Vienna, Austria.
Quantum logic gates, multiphoton entanglement, quantum teleportation.
Advisor: Anton Zeilinger

Fellowships & Awards

2014 FENS-IBRO Travel Award, from the FENS.
2012 Marie Curie IIF Post-Doctoral Fellowship, from the European Union.
2011 VIPS Post-Doctoral Fellowship, from the Max F. Perlutz Laboratories.
2010 Finalist, DPG AMOP Dissertation Prize.
2009 Erwin-Schrödinger Post-Doctoral Fellowship, from the Austrian Science Fund.
2009 MRI Post-Doctoral Fellowship, from the Ontario Ministry for Research and Innovation.
2007 Merit Scholarship, from the University of Vienna.
2006 KWA Scholarship, from the University of Vienna (Conference Grant).
2006 International Communication Scholarship, from the ÖFG (Travel Grant).
2006 Merit Scholarship, from the University of Vienna.
2005 Joint Study Fellowship, from the University of Vienna.
2004 Top-Stipendium Exchange Scholarship, from the State of Lower Austria.


[1] N.K. Langford, T.J. Weinhold, R. Prevedel, K.J. Resch, A. Gilchrist, J.L. O’Brien, G.J. Pryde and A.G. White, “Demonstration of a Simple Entangling Optical Gate and Its Use in Bell-State Analysis”, Phys. Rev. Lett. 95, 210504 (2005) [pdf] [e-preprint]

[2] R. Prevedel, P. Walther, F. Tiefenbacher, P. Böhi, R. Kaltenbaek, T.D. Jennewein and A. Zeilinger “High-speed linear optics quantum computing using active feed-forward”, Nature 445, 65-69 (2007) [Nature Link] [pdf] [e-preprint] more information concerning this article can be found here.

[3] R. Prevedel, C. Brukner, M. Aspelmeyer, T.D. Jennewein and A. Zeilinger “Photonic entanglement as a resource in quantum computing and quantum communication”, J. Opt. Soc. Am. B 24, 241-248 (2007) [pdf] [e-preprint]

[4] M.S. Tame, R. Prevedel, M. Paternostro, P. Böhi, M.S. Kim and A. Zeilinger, “Experimental Realization of Deutsch’s Algorithm in a One-way Quantum Computer”, Phys. Rev. Lett. 98, 140501 (2007) [pdf] [e-preprint] story on our experiment @ [pdf]

[5] K.J. Resch, K.L. Pregnell, R. Prevedel, A. Gilchrist, G.J. Pryde, J.L. O’Brien and A.G. White, “Time-Reversal and Super-Resolving Phase Measurements”, Phys. Rev. Lett. 98, 223601 (2007) [pdf] [e-preprint] story on our experiment @ [pdf]

[6] R. Prevedel, A. Stefanov, P. Walther and A. Zeilinger, “Experimental realization of a quantum game on a one-way quantum computer”, New J. Phys. 9, 205 (2007) [pdf] [e-preprint]

[7] P. Böhi, R. Prevedel, T. Jennewein, A. Stefanov, F. Tiefenbacher and A. Zeilinger, “Implementation and characterization of active feed-forward for deterministic linear optics quantum computing”, Appl. Phys. B 89, 499–505 (2007) [Link] [e-preprint]

[8] R. Prevedel, M.S Tame, A. Stefanov, M. Paternostro, M.S. Kim and A. Zeilinger, “Experimental demonstration of decoherence-free one-way information transfer”, Phys. Rev. Lett. 99, 250503 (2007) [pdf] [e-preprint]

[9] R. Kaltenbaek, R. Prevedel, M. Aspelmeyer and A. Zeilinger, “High-fidelity entanglement swapping with fully independent sources”, Phys. Rev. A 79, 040302(R) (2009) [pdf] [e-preprint]

[10] A. Fedrizzi, R. Ursin, T. Herbst, M. Nespoli, R. Prevedel, T. Scheidl, F. Tiefenbacher, T. Jennewein and A. Zeilinger, “High-fidelity transmission of entanglement over a high-loss freespace channel” Nature Physics 5, 389-392 (2009) [Nature Link] [e-preprint] story on our experiment @

[11] R. Prevedel, G. Cronenberg, M.S Tame, M. Paternostro, P. Walther, M.S. Kim and A. Zeilinger, “Experimental realization of Dicke states of up to six qubits for multiparty quantum networking”, Phys. Rev. Lett. 103, 020503 (2009) [pdf] [e-preprint]

[12] T.Scheidl, R. Ursin, A. Fedrizzi, S. Ramelow, X.-S. Ma, T. Herbst, R. Prevedel, L. Ratschbacher, J. Kofler, T. Jennewein and A. Zeilinger, “Feasibility of 300 km quantum key distribution with entangled states”, New J. Phys. 11, 085002 (2009) [pdf] [e-preprint]

[13] T. Paterek, J. Kofler, R. Prevedel, P. Klimek, M. Aspelmeyer, A. Zeilinger and C. Brukner, “Logical independence and quantum randomness “, New J. Phys. 12, 013019 (2010) [pdf] [e-preprint] featured as a highlight in Europhysics News Vol. 41 No. 2 (March-April 2010) and featured as a highlight in New Journal of Physics Best of 2010

[14] R. Prevedel, Y. Lu, W. Matthews, R. Kaltenbaek and K.J. Resch, “Entanglement-Enhanced Classical Communication over a Noisy Classical Channel”, Phys. Rev. Lett. 106, 110505 (2011) [pdf] [e-preprint] highlighted as an “Editor’s suggestion” and selected for a Viewpoint in Physics 4, 21 (2011) [pdf], a Search and Discovery article in Physics, Today April issue, 15 (2011) [pdf] as well as in

[15] R. Prevedel, D.R. Hamel, R. Colbeck, K. Fisher and K.J. Resch, “Experimental investigation of the uncertainty principle in the presence of quantum memory”, Nature Physics 7, 757-761 (2011) [Nature Link] [e-preprint]

[16] N. K. Langford, S. Ramelow, R. Prevedel, W. J. Munro, G. J. Milburn and A. Zeilinger, “Efficient quantum computing using coherent photon conversion”, Nature 478, 360–363 (2011) [Nature Link] [e-preprint]

[17] R. Prevedel, K.M. Schreiter, J. Lavoie and K.J. Resch, “Classical analog for dispersion cancellation of entangled photons with local detection”, Phys. Rev. A 84, 051803(R) (2011) [pdf] [e-preprint]

[18] K. Fisher, R. Prevedel, R. Kaltenbaek and K.J. Resch, “Optimal linear optical implementation of a single-qubit damping channel”, New J. Phys 14, 033016 (2012) [pdf] [e-preprint]

[19] M. Mazurek, K. Schreiter, R. Prevedel, R. Kaltenbaek and K.J. Resch, “Dispersion-cancelled biological imaging with quantum-inspired interferometry”, Scientific Reports 3, 1582 (2013) , [pdf] [Nature Link]

[20] T Schrödel*, R. Prevedel*, K. Aumayr, M. Zimmer and A. Vaziri, “Brain-wide 3D imaging of neuronal activity in Caenorhabditis elegans with sculpted light”, Nature Methods 10, 1013 (2013) [Nature Link] *Joint first authors

[21] K. Fisher, A. Broadband, L. K. Shalm, Z. Yan, J. Lavoie, R. Prevedel, T. Jennewein, and K.J. Resch, “Quantum computing on encrypted data”, Nature Communications 5, 3074 (2014) [Nature Link] [e-preprint]

[22] C. Erven, E. Meyer-Scott, K. Fisher, J. Lavoie, B. L. Higgins, Z. Yan, C. J. Pugh, J.-P. Bourgoin, R. Prevedel, L. K. Shalm, L. Richards, N. Gigov, R. Laflamme, G. Weihs, T. Jennewein, and K.J. Resch, “Experimental Three-Particle Quantum Nonlocality under Strict Locality Conditions”, Nature Photonics 8, 292 (2014) [Nature Link] [e-preprint]

[23] T. Scheidl, F. Tiefenbacher, R. Prevedel, F. Steinlechner, R. Ursin, and A. Zeilinger, Crossed crystal scheme for femtosecond-pulsed entangled photon generation in periodically poled potassium titanyl phosphate, Physical Review A 89, 042324 (2014)

[24] R. Prevedel*, Y.-G. Yoon*, M. Hoffmann, N. Pak, G. Wetzstein, S. Kato, T. Schrödel, R. Raskar, M. Zimmer, E.S. Boyden, and A. Vaziri, “Simultaneous whole-animal 3D-imaging of neuronal activity using light field microscopy”, Nature Methods 11, 727–730 (2014) [Nature Link] [e-preprint] *Joint first authors; selected for Cover

[25] P. Rupprecht, R. Prevedel, F. Grössl, W. E. Haubensak, and A. Vaziri, Optimizing and extending light-sculpting microscopy for fast functional imaging in neuroscience”, Biomedical Optics Express 6, 353 (2015) [pdf] [e-preprint]

[26] J. N. Tinsley*, M. I. Molodtsov*, R. Prevedel, D. Wartmann, J. Espigulé-Pons, M. Lauwers, and A. Vaziri, “Direct Detection of a Single Photon by Humans”, Nature Communications 7, 12172 (2016) [pdf] *Joint first authors

[27] R. Prevedel, Aart Verhoef, A.J. Pernia-Andrade, S. Weisenburger, B. Huang, T. Nöbauer, A. Fernandez, J.E. Delcour, P. Golshani, A. Baltuska and A. Vaziri, “Fast volumetric calcium imaging across multiple cortical layers using sculpted light”, Nature Methods, in press

Miscellaneous Contributions

[28] R. Prevedel and A. Zeilinger, “Entanglement and One-Way Quantum Computing”, Contribution to the popular website [pdf]

[29] R. Prevedel, “Heisenberg’s uncertainty principle revisited”, Contribution to the popular website [pdf]

[30] N. K. Langford, S. Ramelow and R. Prevedel, “A New Scheme for Photonic Quantum Computing “, Contribution to the popular website [pdf]


R. Prevedel, “Experimental all-optical one-way quantum computing: An introduction into the theory and experiments of photonic one-way quantum computing”, SVH Südwestdeutscher Verlag für Hochschulschriften (2009) [ISBN 978-3-8381-0847-6] [Amazon Link] [cover]
Comment: This book is a slightly modified version of the dissertation below.

Doctoral Thesis
“Experimental all-optical one-way quantum computing”
, University of Vienna (2009) [pdf]

Diploma Thesis
“Experimental Realization of a Simple Entangling Optical Gate for Quantum Computation”, University of Vienna (2005) [pdf]