Dieses Bild zeigt Barz

Prof. Dr.

Stefanie Barz

Professor of Integrated Quantum Optics
Institute for Functional Matter and Quantum Technologies


[Photo: Universität Stuttgart/Uli Regenscheit]

Contact

0049 711 685-65254

Website

Pfaffenwaldring 57
70569  Stuttgart
Germany

Subject

Integrated Quantum Optics and Quantum Information

Follow me @StefanieBarz

Articles
  1. M. Clementi, A. Pappa, A. Eckstein, I. A. Walmsley, E. Kashefi, S. Barz          Classical multiparty computation using quantum resources  (2017)   arXiv:1708.06144v1
  2. A. J. Menssen, A. E. Jones, B. J. Metcalf, M. C. Tichy, S. Barz, W. S. Kolthammer, I. A. Walmsley
    Distinguishability and many-particle interference
    Phys. Rev. Lett. 118, 153603 (2017), arXiv:1609.09804
  3. J. Boutari, A. Feizpour, S. Barz, C. Di Franco, M. S. Kim, W. S. Kolthammer, I. A. Walmsley
    Large scale quantum walks by means of optical fiber cavities
    Journal of Optics 18, 094007 (2016)
    arXiv:1607.00891
  4. S. Barz, V. Dunjko, F. Schlederer, M. Moore, E. Kashefi, I. A. Walmsley
    Enhanced delegated computing using coherence
    Phys. Rev. A 93, 032339 (2016)
    arXiv:1501.06730
  5. C. Greganti, M.-C. Roehsner, S. Barz, T. Morimae, P. Walther
    Demonstration of measurement-only blind quantum computing
    New J. Phys. 18 013020 (2016)
    arXiv:1601.02451
  6. C. Greganti, M.-C. Roehsner, S. Barz, M. Waegell, P. Walther
    Practical and efficient experimental characterization of multiqubit stabilizer states
    Phys. Rev. A 91, 022325 (2015)
    arXiv:1502.06549
  7. S. Barz, B. Dakic, Y. O. Lipp, F. Verstraete, J. D. Whitfield, P. Walther
    Linear-optical generation of eigenstates of the two-site XY model
    Phys. Rev. X 5, 021010 (2015)
    arXiv:1410.1099
  8. S. Barz, J. F. Fitzsimons, E. Kashefi, P. Walther
    Experimental verification of quantum computations
    Nature Physics 9, 727 (2013)
    featured by: Nature Physics news and views by Tomoyuki Morimae
    arXiv:1309.0005
  9. S. Barz, R. Vasconcelos, C. Greganti, M. Zwerger, W. Dür, H. J. Briegel, P. Walther
    Demonstrating elements of measurement-based quantum error correction
    Phys. Rev. A 90, 042302 (2014) 
    arXiv:1308.5209
  10. S. Barz, I. Kassal, M. Ringbauer, Y. O. Lipp, B. Dakic, A. Aspuru-Guzik, P. Walther
    Solving systems of linear equations on a quantum computer
    Scientific Reports 4, 6115 (2014)
    arXiv:1302.1210
  11. B. Dakic, Y. O. Lipp, X. Ma, M. Ringbauer, S. Kropatschek, S. Barz, T. Paterek, V. Vedral, A. Zeilinger, C. Brukner, and P. Walther
    Quantum discord as resource for remote state preparation
    Nature Physics 8, 666-670 (2012)
    arXiv:1205.2801
  12. S. Barz, E. Kashefi, A. Broadbent, J. F. Fitzsimons, A. Zeilinger, and P. Walther
    Demonstration of blind quantum computing
    Science 335, 303-308 (2012)
    featured by: Perspective Science 335, 294-295 (2012) by Vedral
    arXiv:1110.1381v1
  13. S. Barz, G. Cronenberg, A. Zeilinger, and P. Walther
    Heralded generation of entangled photon pairs
    Nature Photonics 4, 553 (2010)
    featured by: Nature Photonics news and views by Peter Kok
    arXiv:1007.2745v1
  14. S. Barz and P. Walther
    Beating the classical camera
    Nature Photonics 4, 119 (2010)
Tutorial
  1. S. Barz
    Quantum computing with photons: introduction to the circuit model, the one-way quantum computer, and the fundamental principles of photonic experiments
    J. Phys. B: At. Mol. Opt. Phys. 48, 083001 (2015)
Proceedings
  1. S. Barz, X. Ma, B.Dakic, A. Zeilinger, and P. Walther
    Experimental photonic state engineering and quantum control of two optical qubits
    AIP Conference Proceedings 1363, 13 (2011)
Bookchapter
  1. S. Barz, G. Cronenberg, and P. Walther
    Experimental engineering of photonic quantum entanglement
    "Advanced Photonic Sciences" edited by Mohamed Fadhali, ISBN 978-953-51-0153-6, InTech (2012)
  • 2015 Millard and Lee Alexander Fellowship, Christ Church, Oxford
  • 2015 Marie Skłodowska-Curie Individual Fellowship, European Commission
  • 2014 Doc.Award 2013, University of Vienna & City of Vienna
  • 2014 Loschmidt Prize 2013, Austrian Chemical-Physical Society
  • 2013 Dr. Maria Schaumayer Prize
  • 2013 Finalist: German dissertation award (Deutscher Studienpreis), Koerber Foundation
  • 2013 Finalist: PhD thesis award, American Physical Society (APS)
  • 2013 Finalist: PhD thesis award, German Physical Society (DPG)
  • 2012 Falling Walls Scholarship
  • 2011 Laudimaxima Award 2010/2011
  • 2010 Fellow of the career development program of the University of Vienna
  • 2010 Best poster prize at the International Conference on Quantum Communication, Measurement and Computation, Brisbane, Australia
  • 2004 Erasmus scholarship of the European Union
  • 2002 Award from the German Physical Society for the school achievements in physics (on the school's suggestion)

 

Invited talks
  1. Distinguishability and Many-Particle Interference, Seminar talk, Ulm University, Germany (07/2017)
  2. Distinguishability and Many-Particle Interference, Seminar talk, University of Vienna, Austria (07/2017)
  3. Quantum information with single photons, Photonics BW workshop, Stuttgart, Germany (06/2017)
  4. Distinguishability and Many-Particle Interference, Trustworthy Quantum Information Workshop, Paris, France (06/2017) 
  5. Quantum interference and quantum walks
    Seminar Talk, Nist Boulder, US (10/2016)
  6. Quantum computing using photons
    Seminar Talk, Vedral group, University of Oxford, UK (06/2016)
  7. Realizing integrated quantum networks, algorithms, and simulations using photons: recent results and future challenges
    Seminar talk, TU Delft, Netherlands (12/2015)
  8. Realizing quantum networks and secure computations using photons
    Seminar talk, University of Cambridge, UK (11/2015)
  9. Realizing quantum networks with photons
    Seminar Talk, University of Stuttgart, Germany (09/2015)
  10. Realizing quantum networks and secure computations using photons
    Seminar talk, Max Planck Institute for Biophysical Chemistry, Göttingen, Germany (09/2015)
  11. Realizing quantum networks, algorithms, and simulations using photons
    Seminar talk, TU Delft, Netherlands (06/2015)
  12. Experimental distributed quantum computing: recent results and future challenges
    Workshop for Quantum Repeaters and Networks, Monterey, US (05/2015)
  13. Quantum information processing with photons
    Young Researchers Workshop, Muenster, Germany (05/2015)
  14. Quantum information processing with photons: networks, verification, and algorithms
    Colloquium Talk, University of Stuttgart, Germany (01/2015)
  15. Recent results in photonic quantum information processing
    Symposium on Optical Quantum Technologies (SoQUTE), Shanghai Jiao Tong University, Shanghai, China (11/2014)
  16. Blind quantum and classical computing
    Seminar Talk, Nist Boulder, US (10/2014)
  17. Secure quantum computation
    Euroscience Open Forum, Copenhagen, Denmark (06/2014)
  18. Photonic quantum information processing in distributed networks
    Symposium Quantum Physics, University of Ulm, Germany (06/2014)
  19. Quantum Information Processing with Photons
    Prize Talk for Loschmidt Society, University of Vienna, Austria (01/2014)
  20. Quantum information processing with photons: algorithms, networks, and verification
    Seminar Talk, University of Mainz, Germany (12/2013)
  21. Quantum information processing with photons: algorithms, networks, and verification
    Seminar Talk, Max Planck Institute for the Science of Light,Erlangen, Germany (11/2013)
  22. Photonic Quantum Computing
    Seminar Talk, Joint Quantum Institute, University of Maryland, US (11/2013)
  23. Photonic Quantum Computing
    Seminar Talk, Nist Boulder, US (10/2013)
  24. Photonic Quantum Computing
    Seminar Talk, Oxford, UK (10/2013)
  25. Photonic Quantum Computing
    Seminar Talk, ETH Zurich, Switzerland (08/2013)
  26. Photonic Quantum Computing
    Seminar Talk, Bristol, UK (08/2013)
  27. Die Quanten-Cloud - Wie Quantenphysik Informationstechnologien revolutioniert
    Körber Foundation, Berlin, Germany (06/2013)
  28. Photonic Quantum Computing
    44th Annual DAMOP Meeting, Quebec City, Canada (06/2013)
  29. Experimental Blind Quantum Computing
    Seminar Talk, Toronto, Canada (05/2013)
  30. Photonic Quantum Computing
    DPG Spring Meeting, Hannover, Germany (03/2013)
  31. Perfectly secure cloud computing
    Falling Walls Lab, Berlin, Germany (11/2012)
  32. Photonic quantum computing
    Seminar Talk, Atominstitut, TU Vienna, Austria, (10/2012)
  33. Photonic quantum computing: Recent results and future challenges
    Seminar Talk, Telecom Paris Tech, France, (11/2011)
  34. Photonic quantum computing: Recent results and future challenges
    Seminar Talk, NTT Basic Research Laboratories, Japan, (11/2011)
  35. Blindfolding a Quantum Computer
    NII Shonan-Meeting, Shonan, Japan, (11/2011)
  36. A source of polarization-entangled photon pairs
    Seminar Talk, IQOQI Vienna, Austria (11/2008)
  37. A source of polarization-entangled photon pairs
    Seminar Talk, University of Erlangen-Nuremburg, Germany (06/2008)
Contributed talks
  1. Distinguishability and Many-Particle Interference, DPG, March Meeting, Mainz, Germany (03/2017)
  2. Distinguishability in three-photon scattering
    International Conference on Quantum Communication, Measurement and Computation, Singapore (07/2016)
  3. Secure Information Processing in Quantum Networks
    Integrated Photonics Workshop, Oxford, UK (01/2015)
  4. Photonic Quantum Computation and Quantum Simulation
    Quantum Simulations Workshop, Benasque, Spain (09/2013)
  5. Experimental Blind Quantum Computing
    20th Central European Workshop on Quantum Optic, Stockholm, Sweden (06/2013)
  6. Experimental Blind Quantum Computing
    Workshop Quo vadis Quantum Physics, Natal, Brazil (03/2013)
  7. Perfectly secure cloud computing
    Falling Walls Lab, Vienna, Austria (06/2012)
  8. Experimental demonstration of blind quantum computing
    APS March Meeting, Boston, USA, (02/2012)
  9. Experimental Blind Quantum Computing
    Ecole de physique des Houches, France (07/2011)
  10. Demonstration of a new aspect of quantum computing
    ICOLS Student Workshop, Hannover, Germany, (06/2011)
  11. Blindfolding a Quantum Computer
    11th Meeting SFB FOQUS, Atominstitut, TU Wien, Austria, (05/2011)
  12. Experimental Blind Quantum Computing
    Seminar Talk, IQOQI Vienna, Austria (03/2011)
  13. Heralded generation of entangled photon pairs
    DPG Spring Meeting, Hannover, Germany (3/2010)
  14. Recent results and future challenges of photonic quantum computation
    5th Meeting SFB FOQUS, Atominstitut, TU Wien, Austria, (12/2009)
  15. Heralded generation of entangled photon pairs
    Seminar Talk, IQOQI Vienna, Austria (11/2009)
Poster Presentations
  1. Quantum-enhanced classical secure delegated computations
    International Conference on Quantum Communication, Measurement and Computation, Hefei, China (11/2014)
  2. Experimental measurement-based quantum error correction
    20th Meeting SFB FOQUS, University of Vienna, Austria, (05/2013)
  3. Solving systems of linear equations on a quantum computer
    20th Meeting SFB FOQUS, University of Vienna, Austria, (05/2013)
  4. Experimental Demonstration of Blind Quantum Computing
    International Conference on Quantum Communication, Measurement and Computation, Vienna, Austria, (07/2012)
  5. Experimental Demonstration of Blind Quantum Computing
    International Conference on Quantum Optics, Obergurgl, Austria, (02/2012)
  6. Experimental blind quantum computing
    14th Meeting SFB FOQUS, University of Vienna, Austria, (12/2011)
  7. Heralded generation of entangled photon pairs
    Erwin Schroedinger Symposium, The Erwin Schroedinger International Institute for Mathematical Physics, Vienna, Austria, (01/2011)
  8. Heralded generation of entangled photon pairs
    9th Meeting SFB FOQUS, University of Vienna, Austria, (12/2010)
  9. Heralded generation of entangled photon pairs
    International Conference on Quantum Information and Computation, Stockholm, Sweden (09/2010)
  10. Heralded generation of entangled photon pairs
    Marie Curie Network: EMALI, Meeting, Barcelona, Spain (09/2010)
  11. Heralded generation of entangled photon pairs
    International Conference on Quantum Communication, Measurement and Computation, Brisbane, Australia (07/2010)
  12. A source of polarization-entangled photon pairs
    DPG Spring Meeting, Berlin, Germany (02/2008)

 

PhD thesis

Photonic quantum computing
Supervisor: Anton Zeilinger
University of Vienna (2012)

Diploma thesis

Eine Quelle polarisationsverschränkter Photonenpaare für das physikalische Praktikum für Fortgeschrittene (A source of polarization-entangled photon pairs)
Supervisor: Arno Rauschenbeutel
Mainz University (2008)

  1. Panel discussion: science and the media
    Naturhistorisches Museum Wien, Vienna, Austria, (09/2012)
  2. Exhibition “Quantenexperimente” at dOCUMENTA(13)
    Kassel, Germany (09/2012)
  3. Quantum physics and quantum computing
    Manager Lounge, Vienna, Austria, (03/2012)
University of Oxford

Spring 2017, tutor: quantum information theory

University of Vienna

Spring 2014, lecturer: photonic quantum computing
Spring 2013, teaching assistant: laboratory quantum optics
Fall 2012, lecturer: exercise course in Introductory Physics I
Fall 2012, teaching assistant: lecture in Introductory Physics I
Spring 2011, teaching assistant: laboratory quantum optics
Fall 2009, teaching assistant: laboratory quantum optics

Mainz University

Fall 2008, lecturer: computer science classes
Fall 2007, lecturer: computer science classes
Spring 2007, teaching assistant: physics for biologists
Fall 2006, teaching assistant: physics for biologists
Fall 2006, lecturer: computer science classes
Fall 2006, teaching assistant: lab course for biologists
Spring 2006, teaching assistant: physics for biologists
Spring 2006, lecturer: computer science classes
Spring 2006, teaching assistant: mathematics for physicists

  1. About me:
    "Die Quantencomputer- Programmiererin", Der Standard (online/print), 14/02/2012
  2. About the work "Distinguishability and Many-Particle Interference":
    Viewpoint: Photonic Hat Trick, Physics (online), 10/04/2017
    Three-photon interference measured at long last Physics World (online), 17/04/2017
  3. About the work " Enhanced delegated computing using coherence":
    Add a dash of quantum for secure cloud computing, New Scientist (online), 04/02/2015
  4. About the work "Experimental verification of quantum computation":
    How to check if quantum computer is. . . quantum?, Technology.org (online), 03/09/2013
    Quantum Computers Check Each Other's Work, ScienceNOW (online), 29/09/2013
    Quantum computers: Trust is good, proof is better, APA (online), 02/10/2013
    Der Quantencomputer prüft sich selbst, ORF (online), 30/09/2013
    Researchers Trap Quantum Computer Into Proving Itself, Slashdot (online), 30/09/2013
    Physicists use blind quantum computing, Phys.org (online), 30/09/2013
    Wiener Physiker prüfen, ob Quantencomputer richtig rechnen, Der Standard (online), 30/09/2013
    Wiener Physiker prüfen Quantencomputer, Futurezone (online), 30/09/2013
    Quantum computing gets recursive. Quis custodiet ipsos quanta?, The Register (online), 01/10/2013
    Quantum computers: Trust is good, proof is better, APA (online), 02/10/2013
  5. About my work "Experimental Demonstration of Blind Quantum Computing":
    "Quantum computing could head to 'the cloud', study says", BBC (online), 19/01/2012
    "A quantum leap is in the works for secure cloud computing", MSNBC (online), 19/01/2012
    "First secure quantum computer is blind to its own bits", New Scientist (online), 19/01/2012
    "Wiener Physiker bauen "absolut sicheren" Quantencomputer", Der Standard (online/print), 19/01/2012
    "Quantencomputer rechnen blind und abhörsicher", Die Presse (online/print), 19/01/2012
    "Cloud-Computing nach Quantenart", ORF (online), 20/01/2012
    "Who Knew? Quantum Mechanics Will Enable Secure Cloud Computing", Digital Village Radio (audio), 21/01/2012
    "Blind quantum computing points to the future", Deutsche Welle (online, audio), 09/02/2012
    "Ordinateur quantique: Un calculateur pas encore prodige", Le Monde, 25/02/2012
    "A blind quantum computer makes its laboratory debut", Physics today (online), 03/2012
    "De quantumcomputer krijgt een blinddoek", NWT magazine, 04/2012
  6. About my work "Heralded generation of entangled photon pairs":
    “Vorhersage verschränkter Photonen”, Photonik 4/2010 (print), 18/08/2010
    „Quantencomputer : Zwei Schritte zum Ziel“, ORF ONLINE – Science (online), 28/06/2010
    „Angekündigte Zufälle, Wiener Physiker kommen Quantencomputer noch näher“, Der Standard (online/print), 28 and 29/06/2010
    „Wiener Physiker können neuerdings den Zufall ankündigen“, Der Standard (online), 29/06/2010
    „Quantenphysik: Angekündigter Zufall“, Österreich Journal (online), 28/06/2010
    „Angekündigter Zufall“, Die Universität Online, 28/06/2010
    „Verschränkte Teilchen, die man nicht messen muss“, Die Presse (online/print), 28 and 29/06/2010
    „Angekündigter Zufall: Neue Photonenquelle ermöglicht Nachweis von verschränktem Zustand ohne Messung“, ProPhysik (online), 28/06/2010
    „Wiener Physiker können nun “den Zufall ankündigen”, krone.at (online), 28/06/2010
    „Wiener Quantenphysiker zähmen den Zufall“, ORF Futurezone, 27/06/2010