Univ.-Prof. Dipl.-Ing. Dr. Philip Walther
T: +43-1-4277-72560
M: +43-664-60277-72560
Summer term 2019
260122 VO Complex Quantum Systems Summerschool - Lectures by international guests with exams
260165 PR Spezialisierungsmodul Quantenoptik, Quantenphysik und Quanteninformation - Einführung in die Arbeitsmethoden der experimentellen und theoretischen Quantenphysik - Vorbereitung zur Masterarbeit
Winter term 2018
260165 PR Spezialisierungsmodul Quantenoptik, Quantenphysik und Quanteninformation - Einführung in die Arbeitsmethoden der experimentellen und theoretischen Quantenphysik - Vorbereitung zur Masterarbeit
442615 SE Quantum Optics Seminar - The Seminar consists of a series of talks, given by mainly international guests.


Calafell, IA, Stroemberg, T, Arvidsson-Shukur, DRM, Rozema, LA, Saggio, V, Greganti, C, Harris, NC, Prabhu, M, Carolan, J, Hochberg, M, Baehr-Jones, T, Englund, D, Barnes, CHW & Walther, P 2019, 'Trace-free counterfactual communication with a nanophotonic processor', npj Quantum Information, vol. 5, 61. https://doi.org/10.1038/s41534-019-0179-2


Calafell, IA, Strömberg, T, Arvidsson-Shukur, DRM, Rozema, LA, Saggio, V, Graganti, C, Harris, NC, Prabhu, M, Carolan, J, Hochberg, M, Baehr-Jones, T, Englund, D, Barnes, CHW & Walther, P 2019, Genuine Counterfactual Communication with a Nanophotonic Processor. in 2019 Conference on Lasers and Electro-Optics (CLEO). Conference on Lasers and Electro-Optics, IEEE, Conference on Lasers and Electro-Optics (CLEO), San Jose, Canada, 5/05/19. https://doi.org/10.23919/CLEO.2019.8750592

Calafell, IA, Rozema, LA, Alcaraz Iranzo, D, Trenti, A, Bieliaiev, H, Koppens, FHL & Walther, P 2019, Nonlinear Plasmonic Enhancement with Graphene Heterostructures. in 2019 Conference on Lasers and Electro-Optics (CLEO). Conference on Lasers and Electro-Optics, IEEE, Conference on Lasers and Electro-Optics (CLEO), San Jose, Canada, 5/05/19. https://doi.org/10.23919/CLEO.2019.8749314

Rozema, LA, Saggio, V, Dimic, A, Greganti, C, Walther, P & Dakic, B 2019, Verifying Multi-Partite Entanglement with a Few Detection Events. in 2019 Conference on Lasers and Electro-Optics (CLEO). Conference on Lasers and Electro-Optics, IEEE, Conference on Lasers and Electro-Optics (CLEO), San Jose, Canada, 5/05/19. https://doi.org/10.23919/CLEO.2019.8749720



Zeuner, J, Sharma, AN, Tillmann, M, Heilmann, R, Grafe, M, Moqanaki, A, Szameit, A & Walther, P 2018, 'Integrated-optics heralded controlled-NOT gate for polarization-encoded qubits', npj Quantum Information, vol. 4, 13. https://doi.org/10.1038/s41534-018-0068-0


Heilmann, R, Greganti, C, Graefe, M, Nolte, S, Walther, P & Szameit, A 2018, 'Tapering of femtosecond laser-written waveguides', Applied Optics, vol. 57, no. 3, pp. 377-381. https://doi.org/10.1364/AO.57.000377







Laudenbach, F, Kalista, S, Hentschel, M, Walther, P & Huebel, H 2017, A Novel Compact and Efficient Source of Photonic Entanglement. in 2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC). IEEE, Conference on Lasers and Electro-Optics Europe / European Quantum Electronics Conference (CLEO/Europe-EQEC), Munich, Germany, 25/06/17. https://doi.org/10.1109/CLEOE-EQEC.2017.8087345

Rozema, LA, Rubino, G, Feix, A, Araujo, M, Brukner, C & Walther, P 2017, Experimental Tests of Indefinite Causal Orders. in Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC, 2017 Conference on). Conference on Lasers and Electro-Optics, IEEE, Conference on Lasers and Electro-Optics Europe / European Quantum Electronics Conference (CLEO/Europe-EQEC), Munich, Germany, 25/06/17. https://doi.org/10.1109/CLEOE-EQEC.2017.8087315


Schleich, WP, Ranade, KS, Anton, C, Arndt, M, Aspelmeyer, M, Bayer, M, Berg, G, Calarco, T, Fuchs, H, Giacobino, E, Grassl, M, Hänggi, P, Heckl, WM, Hertel, I-V, Huelga, S, Jelezko, F, Keimer, B, Kotthaus, JP, Leuchs, G, Luetkenhaus, N, Maurer, U, Pfau, T, Plenio, MB, Rasel, EM, Renn, O, Silberhorn, C, Schiedmayer, J, Schmitt-Landsiedel, D, Schönhammer, K, Ustinov, A, Walther, P, Weinfurter, H, Welzl, E, Wiesendanger, R, Wolf, S, Zeilinger, A & Zoller, P 2016, 'Quantum technology: from research to application', Applied Physics B: Lasers and Optics, vol. 122, no. 5, 130. https://doi.org/10.1007/s00340-016-6353-8

Laudenbach, F, Huebel, H, Hentschel, M, Walther, P & Poppe, A 2016, 'Modelling parametric down-conversion yielding spectrally pure photon pairs', Optics Express, vol. 24, no. 3, pp. 2712-2727. https://doi.org/10.1364/OE.24.002712

Procopio, LM, Rozema, LA, Wong, ZJ, Hamel, DR, O'Brien, K, Zhang, X, Dakic, B & Walther, P, Experimental Test of Hyper-Complex Quantum Theories, 2016, Web publication, arXiv.org.


Trupke, M, Salter, C, Reisenbauer, S, Vasconcelos, R, Wachter, G, Buczak, K, Angerer, A, Schmiedmayer, J, Aumayr, F, Schmid, U, Walther, P, Munro, WJ & Nemoto, K 2016, Large-scale quantum technology based on luminescent centers in crystals. in 2016 IEEE International Electron Devices Meeting (IEDM) (IEDM). IEEE International Electron Devices Meeting, IEEE, pp. 13.7.1 - 13.7.4, 62nd Annual IEEE International Electron Devices Meeting (IEDM), San Francisco, United States, 3/12/16. https://doi.org/10.1109/IEDM.2016.7838412

Tillmann, M, Tan, S-H, Stoeckl, SE, Sanders, BC, de Guise, H, Heilmann, R, Nolte, S, Szameit, A & Walther, P 2015, 'Generalized Multiphoton Quantum Interference', Physical Review X, vol. 5, no. 4, 041015. https://doi.org/10.1103/PhysRevX.5.041015







Ma, X, Dakic, B & Walther, P 2014, Photonic Toolbox for Quantum Simulation. in S Kais (ed.), Quantum Information and Computation for Chemistry. Advances in Chemical Physics, vol. 154, John Wiley & Sons, Inc., Hoboken, pp. 229-240. https://doi.org/10.1002/9781118742631.ch09

Walther, P & Schmiedmayer, J 2014, Preface: Quantum Communication, Measurement and Computing. AIP Conference Proceedings, vol. 1633, AIP Press. https://doi.org/10.1063/1.3630136

Barz, S, Fitzsimons, JF, Kashefi, E & Walther, P 2013, 'Experimental verification of quantum computation', Nature Physics, vol. 9, no. 11, pp. 727-731. https://doi.org/10.1038/NPHYS2763

Tillmann, M, Dakic, B, Heilmann, R, Nolte, S, Szameit, A & Walther, P 2013, 'Experimental boson sampling', Nature Photonics, vol. 7, no. 7, pp. 540-544. https://doi.org/10.1038/NPHOTON.2013.102


Walther, P 2013, Entanglement as an Element-of-Reality. in T Sauer & A Wüthrich (eds), New Vistas on Old Problems: Recent Approaches to the Foundations of Quantum Mechanics. Max Planck Research Library for the History and Development of Knowledge / Proceedings, vol. 3, Edition Open Access, Berlin, pp. 163-176.

Dakic, B, Lipp, YO, Ma, X, Ringbauer, M, Kropatschek, S, Barz, S, Paterek, T, Vedral, V, Zeilinger, A, Brukner, C & Walther, P 2012, 'Quantum discord as resource for remote state preparation', Nature Physics, vol. 8, no. 9, pp. 666-670. https://doi.org/10.1038/NPHYS2377


Barz, S, Kashefi, E, Broadbent, A, Fitzsimons, J, Zeilinger, A & Walther, P 2012, 'Demonstration of Blind Quantum Computing', Science, vol. 335, no. 6066, pp. 303-308. https://doi.org/10.1126/science.1214707

Barz, S, Cronenberg, G & Walther, P 2012, Experimental Engineering of Photonic Quantum Entanglement. in M Fadhali (ed.), Advanced Photonic Sciences. InTech, pp. 41-52. https://doi.org/10.5772/26366


Walther, P 2012, Nur die Neugier zählt! Wie sonst käme ein Chemiker zur Quantenphysik? in M Klatt & S Koller (eds), Lehre als Abenteuer: Anregungen für eine bessere Hochschulausbildung . Campus, pp. 160-162.



Barz, S, Ma, X, Dakic, B, Zeilinger, A & Walther, P 2011, Experimental photonic state engineering and quantum control of two optical qubits. in T Ralph & PK Lam (eds), Quantum Communication, Measurement and Computing (QCMC): The Tenth International Conference. vol. 1363, AIP Conference Proceedings, vol. 1363, AIP Press, Woodbury, NY, pp. 13-16, 10th International Conference on Quantum Communication, Measurement and Computing (QCMC), Brisbane, Australia, 19/07/10. https://doi.org/10.1063/1.3630138



Walther, P 2011, Wie wirklich ist die Wirklichkeit? in B Kanitscheider & R Neck (eds), Das naturwissenschaftliche Weltbild am Beginn des 21. Jahrhunderts. Schriftenreihe der Karl Popper Foundation, Peter Lang, pp. 123-128. https://doi.org/10.3726/978-3-653-02207-0




Walther, P, Puchberger, M, Kogler, FR, Schwarz, K & Schubert, U 2009, 'Ligand dynamics on the surface of zirconium oxo clusters', Physical Chemistry Chemical Physics - PCCP, vol. 11, no. 19, pp. 3640-3647. https://doi.org/10.1039/b820731c

Walther, P, Nemiroski, A, Gorshkov, AV, Zibrov, AS & Lukin, DM, Quantum memory for long-distance and multiphoton entanglement, 2008, Web publication, SPIE-INT SOC OPTICAL ENGINEERING. https://doi.org/10.1117/2.1200803.1072


Prevedel, R, Walther, P, Tiefenbacher, F, Böhi, P, Kaltenbaek, R, Jennewein, T & Zeilinger, A 2007, 'High-speed linear optics quantum computing using active feed-forward', Nature, vol. 445, no. 7123, pp. 65-69. https://doi.org/10.1038/nature05346



Walther, P, Eisaman, MD, Nemiroski, A, Gorshkov, AV, Zibrov, AS, Zeilinger, A & Lukin, MD 2007, Multi-photon entanglement: From quantum curiosity to quantum computing and quantum repeaters. in C Roychoudhuri, AF Kracklauer & K Creath (eds), NATURE OF LIGHT: WHAT ARE PHOTONS?., 66640G, Proceedings of SPIE, vol. 6664, SPIE-INT SOC OPTICAL ENGINEERING, BELLINGHAM, Conference on Nature of Light - What are Photons, San Diego, United States, 26/08/07. https://doi.org/10.1117/12.736979



Walther, P & Zeilinger, A 2006, Quantum Entanglement, Purification, and linear-optics quantum gates with photonic qubits. in L Accardi, M Ohya & N Watanabe (eds), Quantum Information and Computing. vol. 19, QP-PQ Quantum Probability and White Noise Analysis, vol. 19, World Scientific Publishing, pp. 360-369. https://doi.org/10.1142/9789812774491_0030


Arndt, M, Aspelmeyer, M, Bernstein, HJ, Bertlmann, R, Brukner, C, Dowling, JP, Eisert, J, Ekert, A, Fuchs, CA, Greenberger, DM, Horne, MA, Jennewein, T, Kwiat, PG, Mermin, ND, Pan, J-W, Rasel, EM, Rauch, H, Rudolph, TG, Salomon, C, Sergienko, AV, Schmiedmayer, J, Simon, C, Vedral, V, Walther, P, Weihs, G, Zoller, P & Zukowski, M, Quantum Physics from A to Z, 2005, Web publication.



Walther, P, Resch, K, Rudolph, T, Schenck, E, Weinfurter, H, Vedral, V, Aspelmeyer, M & Zeilinger, A 2005, 'Experimental one-way quantum computing', Nature, vol. 434, no. 7030, pp. 169-176. https://doi.org/10.1038/nature03347



Resch, K, Lindenthal, M, Blauensteiner, B, Böhm, H, Fedrizzi, A, Kurtsiefer, C, Poppe, A, Schmitt-Manderbach, T, Taraba, M, Ursin, R, Walther, P, Weier, H, Weinfurter, H & Zeilinger, A 2005, 'Distributing entanglement and single photons through an intra-city, free-space quantum channel', Optics Express, vol. 13, no. 1, pp. 202-209. https://doi.org/10.1364/OPEX.13.000202

Aspelmeyer, M, Böhm, H, Fedrizzi, A, Gasparoni, S, Lindenthal, M, Molina-Terriza, G, Poppe, A, Resch, K, Ursin, R, Walther, P, Zeilinger, A & Jennewein, T 2005, Advanced Quantum Communications Experiments with Entangled Photons. in AV Sergienko (ed.), Quantum Communications and Cryptography. CRC Press Taylor & Francis Group, pp. 45-81. https://doi.org/10.1201/9781420026603.ch3

Resch, KJ, Lindenthal, M, Blauensteiner, B, Böhm, H, Fedrizzi, A, Taraba, M, Ursin, R, Walther, P, Poppe, A, Schmitt-Manderbach, T, Weier, H, Weinfurter, H & Zeilinger, A 2005, Distributing entanglement and single photons through an intra-city, free-space quantum channel. in 2005 European Quantum Electronics Conference, EQEC '05. vol. 2005, 1567464, pp. 298, 2005 European Quantum Electronics Conference, EQEC '05, Munich, Germany, 12/06/05. https://doi.org/10.1109/EQEC.2005.1567464


Walther, P & Zeilinger, A 2005, Quantum logics based on four-photon entanglement. in VM Akulin, A Sarfati, G Kurizki & S Pellegrin (eds), Decoherence, Entanglement and Information Protection in Complex Quantum Systems. NATO SCIENCE SERIES, SERIES II: MATHEMATICS, PHYSICS AND CHEMISTRY, vol. 189, Springer, DORDRECHT, pp. 49-62, NATO Advanced Research Workshop on Decoherence, Entanglement and Information Protection in Complex Quantum Systems, Les Houches, France, 26/04/04. https://doi.org/10.1007/1-4020-3283-8_7

Ursin, R, Jennewein, T, Aspelmeyer, M, Kaltenbaek, R, Lindenthal, M, Walther, P & Zeilinger, A 2004, 'Quantum teleportation across the Danube', Nature, vol. 430, no. 7002, pp. 849-849. https://doi.org/10.1038/430849a

Aspelmeyer, M, Walther, P, Jennewein, T & Zeilinger, A 2004, Nonlocal photon number states for quantum metrology. in RE Meyers & Y Shih (eds), Quantum Communications and Quantum Imaging II. Progress in Biomedical Optics and Imaging - SPIE, vol. 5551, International Society for Optical Engineering (SPIE), Denver, CO, pp. 15-22, Conference on Quantum Communications and Quantum Imaging II, Denver, United States, 4/08/04. https://doi.org/10.1117/12.561460



Aspelmeyer, M, Böhm, H, Gyatso, T, Jennewein, T, Kaltenbaek, R, Lindenthal, M, Molina, G, Poppe, A, Resch, K, Taraba, M, Ursin, R, Walther, P & Zeilinger, A 2003, 'Long-distance free-space distribution of quantum entanglement', Science, vol. 301, no. 5633, pp. 621-623. https://doi.org/10.1126/science.1085593

Aspelmeyer, M, Böhm, HR, Brukner, C, Kaltenbaek, R, Lindenthal, M, Petschinka, J, Jennewein, T, Ursin, R, Walther, P, Zeilinger, A, Pfennigbauer, M & Leeb, WR 2003, Quantum Communications in Space. in Technical Report under contract 16358/02, ESA. ESA Publications Division.


Multiphoton processing using integrated optics

Philip Walther (Invited speaker)
2 Oct 2019

Activity: Talks and presentationsTalk or oral contributionScience to Science


Quantum photonics for secure quantum and classical computing

Philip Walther (Invited speaker)
10 Sep 2019

Activity: Talks and presentationsTalk or oral contributionScience to Science


Integrated Quantum Photonics for secure quantum computing and novel communication tasks

Philip Walther (Invited speaker)
8 Jul 201910 Jul 2019

Activity: Talks and presentationsTalk or oral contributionScience to Science


Quantum photonics for secure quantum computing and novel communication tasks

Philip Walther (Invited speaker)
7 Jun 2019

Activity: Talks and presentationsTalk or oral contributionScience to Science


Quantum photonics enabling novel quantum computer applications

Philip Walther (Invited speaker)
27 May 2019

Activity: Talks and presentationsTalk or oral contributionScience to Science


Quantum photonics for secure data processing and other applications

Philip Walther (Invited speaker)
15 Mar 2019

Activity: Talks and presentationsTalk or oral contributionScience to Science


Quantum Photonics for Computer Security and other Applications

Philip Walther (Invited speaker)
24 Jan 2019

Activity: Talks and presentationsTalk or oral contributionScience to Science


Quantum photonics for secure quantum computing and counter-intuitive quantum communications

Philip Walther (Invited speaker)
15 Jan 2019

Activity: Talks and presentationsTalk or oral contributionScience to Science


Quantum photonics for quantum causality & probing the quantum-gravity interface

Philip Walther (Invited speaker)
22 Nov 2018

Activity: Talks and presentationsTalk or oral contributionScience to Science


Integrated photonics for secure quantum computing and novel quantum communication tasks

Philip Walther (Invited speaker)
11 Nov 2018

Activity: Talks and presentationsTalk or oral contributionScience to Science


Quantentechnologie für Datensicherheit

Philip Walther (Speaker)
12 Jun 2018

Activity: Talks and presentationsTalk or oral contributionScience to Public


Quantum Photonics for Foundations and Applications

Philip Walther (Speaker)
2 Mar 20189 Mar 2018

Activity: Talks and presentationsTalk or oral contributionScience to Science


Quantum Photonics for Quantum Causality

Philip Walther (Speaker)
26 Feb 20182 Mar 2018

Activity: Talks and presentationsTalk or oral contributionScience to Science


Quantum Photonics for Quantum Causality

Philip Walther (Invited speaker)
3 Jan 201811 Jan 2018

Activity: Talks and presentationsTalk or oral contributionScience to Science


Quantum photonics: Schrödinger’s cat applied to causal structures

Philip Walther (Invited speaker)
29 Nov 201730 Nov 2017

Activity: Talks and presentationsTalk or oral contributionScience to Public


Quantum computing and quantum physics foundations exploiting photonic quantum technology

Philip Walther (Invited speaker)
28 Sep 201730 Sep 2017

Activity: Talks and presentationsTalk or oral contributionScience to Science


Photonic quantum computing exploiting the superposition of gates and other features

Philip Walther (Invited speaker)
26 Sep 201728 Sep 2017

Activity: Talks and presentationsTalk or oral contributionScience to Science


Quantum photonics for novel quantum computing and testing quantum physics foundations

Philip Walther (Invited speaker)
12 Sep 201714 Sep 2017

Activity: Talks and presentationsTalk or oral contributionScience to Science


Advantages of photonic quantum technology for novel quantum computing schemes

Philip Walther (Invited speaker)
29 Aug 2017

Activity: Talks and presentationsTalk or oral contributionScience to Science


Quantum photonics for superimposing causal orders

Philip Walther (Invited speaker)
3 Aug 2017

Activity: Talks and presentationsTalk or oral contributionScience to Science


Quantum photonics for novel quantum computing and testing quantum physics foundations

Philip Walther (Invited speaker)
24 Jul 201727 Jul 2017

Activity: Talks and presentationsTalk or oral contributionScience to Science


Quantum photonics for novel quantum computing and testing quantum physics foundations

Philip Walther (Invited speaker)
5 Jun 20178 Jun 2017

Activity: Talks and presentationsTalk or oral contributionScience to Science


Experimental superposition of causal orders and investigation of hyper-complex quantum theories

Philip Walther (Invited speaker)
4 Jun 2017

Activity: Talks and presentationsTalk or oral contributionScience to Science


Experimental superposition of causal orders and investigation of hyper-complex quantum theories

Philip Walther (Invited speaker)
25 May 201727 May 2017

Activity: Talks and presentationsTalk or oral contributionScience to Science


Experimental superposition of causal orders and investigation of hyper-complex quantum theories

Philip Walther (Invited speaker)
5 May 2017

Activity: Talks and presentationsTalk or oral contributionScience to Science


Integrated photonics

Philip Walther (Invited speaker)
2 Apr 20178 Apr 2017

Activity: Talks and presentationsTalk or oral contributionScience to Science


Photonic Quantum Technology; Advantages of Photonic Quantum Computing; Photonic Quantum Simulation

Philip Walther (Invited speaker)
25 Mar 201729 Mar 2017

Activity: Talks and presentationsTalk or oral contributionScience to Science


Basic to advanced quantum computing protocols using photonic waveguide circuits

Philip Walther (Invited speaker)
7 Feb 201710 Feb 2017

Activity: Talks and presentationsTalk or oral contributionScience to Science


Optische Quantencomputer - Quantentechnologie aus dem Labor in Richtung breite Anwendung

Philip Walther (Invited speaker)
17 Nov 201618 Nov 2016

Activity: Talks and presentationsTalk or oral contributionOther


Quantum photonics for novel quantum computing and testing quantum foundations

Philip Walther (Invited speaker)
14 Nov 2016

Activity: Talks and presentationsTalk or oral contributionOther


Tutorial on Photonic Quantum Simulation

Philip Walther (Invited speaker)
21 Jul 201628 Jul 2016

Activity: Talks and presentationsTalk or oral contributionOther


Photonic Quantum Computing

Philip Walther (Invited speaker)
5 Jul 2016

Activity: Talks and presentationsTalk or oral contributionOther


Superconducting Nanowire Single-Photon Detectors for Photonic Quantum Computers

Philip Walther (Invited speaker)
4 Jul 2016

Activity: Talks and presentationsTalk or oral contributionOther


Single photons for simulating spin interactions and investigating new computational schemes

Philip Walther (Invited speaker)
7 Jun 2016

Activity: Talks and presentationsTalk or oral contributionOther


Photonic Quantum Technology: Applications, Advantages & Challenges

Philip Walther (Invited speaker)
26 May 201631 May 2016

Activity: Talks and presentationsTalk or oral contributionOther


Photonic Quantum Computing: from secure quantum clouds to resource-efficient architectures and fundamental investigations

Philip Walther (Invited speaker)
27 Apr 2016

Activity: Talks and presentationsTalk or oral contributionOther


Photonic Quantum Computing: From Secure Quantum Clouds to Resource-efficient Architectures and Fundamental Investigations

Philip Walther (Invited speaker)
25 Apr 2016

Activity: Talks and presentationsTalk or oral contributionOther


Photonic Quantum Computing: From Secure Quantum Clouds to Resource-efficient Architectures and Fundamental Investigations

Philip Walther (Invited speaker)
7 Apr 2016

Activity: Talks and presentationsTalk or oral contributionOther


Experimental quantum control of multi-qubit systems

Philip Walther (Invited speaker)
23 Jan 201613 Feb 2016

Activity: Talks and presentationsTalk or oral contributionOther


Photonic Quantum Computing: Applications, Visions & Applications

Philip Walther (Invited speaker)
1 Dec 20155 Dec 2015

Activity: Talks and presentationsTalk or oral contributionOther


EQuaM project results at EU

Philip Walther (Invited speaker)
24 Nov 201525 Nov 2015

Activity: Talks and presentationsTalk or oral contributionOther


EQuaM project results

Philip Walther (Invited speaker)
4 Nov 20156 Nov 2015

Activity: Talks and presentationsTalk or oral contributionOther


Photonics quantum simulator

Philip Walther (Invited speaker)
6 Jul 201510 Jul 2015

Activity: Talks and presentationsTalk or oral contributionOther


Quantum Photonics Technology for Secure (Cloud) Quantum Computing

Philip Walther (Invited speaker)
28 Jun 20152 Jul 2015

Activity: Talks and presentationsTalk or oral contributionOther


Photonics quantum simulator

Philip Walther (Invited speaker)
7 May 201510 May 2015

Activity: Talks and presentationsTalk or oral contributionOther


Tunable Boson Sampling and superimposing quantum gates for quantum computes

Philip Walther (Invited speaker)
3 Feb 20153 Mar 2015

Activity: Talks and presentationsTalk or oral contributionOther


PiCQUE Overview

Philip Walther (Invited speaker)
9 Jan 201510 Jan 2015

Activity: Talks and presentationsTalk or oral contributionOther


How to scale-up photonic quantum computers: from photon sources to detectors

Philip Walther (Invited speaker)
4 Dec 20145 Dec 2014

Activity: Talks and presentationsTalk or oral contributionOther


Quantum computing and (related) quantum foundation experiments using single photons

Philip Walther (Invited speaker)
11 Nov 201415 Nov 2014

Activity: Talks and presentationsTalk or oral contributionOther


Experimental Quantum Computer Verification, and other benefits from one-way quantum computing

Philip Walther (Invited speaker)
26 Jul 20141 Aug 2014

Activity: Talks and presentationsTalk or oral contributionOther


Quantum computing and (related) quantum foundation experiments using single photons

Philip Walther (Invited speaker)
8 Jul 20149 Jul 2014

Activity: Talks and presentationsTalk or oral contributionOther


Quantum Information Science & Quantum Computation

Philip Walther (Invited speaker)
8 May 20149 May 2014

Activity: Talks and presentationsTalk or oral contributionOther


Quantum computing and related quantum foundation experiments using single photons

Philip Walther (Invited speaker)
28 Apr 2014

Activity: Talks and presentationsTalk or oral contributionOther


From photonic quantum cloud computing to interactive proofs

Philip Walther (Invited speaker)
24 Feb 2014

Activity: Talks and presentationsTalk or oral contributionOther


From Quantum Cloud Computing to Boson Sampling and Quantum Simulation

Philip Walther (Invited speaker)
12 Feb 2014

Activity: Talks and presentationsTalk or oral contributionOther


Photonic Quantum Cloud Computing

Philip Walther (Invited speaker)
12 Feb 201413 Feb 2014

Activity: Talks and presentationsTalk or oral contributionOther


Quantenkommunikation

Philip Walther (Invited speaker)
3 Dec 2013

Activity: Talks and presentationsTalk or oral contributionOther


Photonic Quantum Simulation

Philip Walther (Invited speaker)
9 Jun 201315 Jun 2013

Activity: Talks and presentationsTalk or oral contributionOther


Quantum Cloud Computing: Application and Fundamental Science

Philip Walther (Invited speaker)
29 May 201331 May 2013

Activity: Talks and presentationsTalk or oral contributionOther


Status of work packages

Philip Walther (Invited speaker)
19 Apr 2013

Activity: Talks and presentationsTalk or oral contributionOther


Measurement-based and intermediate photonic quantum computing

Philip Walther (Invited speaker)
16 Jan 2013

Activity: Talks and presentationsTalk or oral contributionOther


Quantum Photonics Renaissance: From Quantum Cloud Computing to Boson Sampling and Quantum Simulation

Philip Walther (Invited speaker)
13 Jan 201317 Jan 2013

Activity: Talks and presentationsTalk or oral contributionOther


Tailored single-photon sources for atom-light interactions

Philip Walther (Invited speaker)
7 Dec 2012

Activity: Talks and presentationsTalk or oral contributionOther


From Quantum Cloud Computing to Bosonic Particle Statistics

Philip Walther (Invited speaker)
29 Nov 2012

Activity: Talks and presentationsTalk or oral contributionOther


Photonic Quantum Information Processing

Philip Walther (Invited speaker)
8 Nov 2012

Activity: Talks and presentationsTalk or oral contributionOther


Analog and Digital Photonic Quantum Simulation

Philip Walther (Invited speaker)
22 Oct 2012

Activity: Talks and presentationsTalk or oral contributionOther


Photonic Quantum Cloud Computing and Quantum Simulations

Philip Walther (Invited speaker)
13 Sep 2012

Activity: Talks and presentationsTalk or oral contributionOther


Quantum Cloud Computing, Photonic Quantum Simulation and Quantum Discord as Resource

Philip Walther (Invited speaker)
5 Sep 2012

Activity: Talks and presentationsTalk or oral contributionOther



Secure Quantum Cloud Computing, Quantum Discord as Resource and Photonic Quantum Simulation

Philip Walther (Invited speaker)
4 Sep 2012

Activity: Talks and presentationsTalk or oral contributionOther


Photons for Quantum Cloud Computing and Quantum Simulations

Philip Walther (Invited speaker)
26 Aug 2012

Activity: Talks and presentationsTalk or oral contributionOther


Quantum Photonics for Optical Quantum Computers and Secure Quantum Networks

Philip Walther (Invited speaker)
27 Jun 2012

Activity: Talks and presentationsTalk or oral contributionOther


Photonic quantum discord and the verification of quantum computing

Philip Walther (Invited speaker)
13 Jun 2012

Activity: Talks and presentationsTalk or oral contributionOther


Photonic Quantum Cloud Computing and Quantum Simulations

Philip Walther (Invited speaker)
11 Jun 2012

Activity: Talks and presentationsTalk or oral contributionOther


Photonic Quantum Cloud Computing and Quantum Simulations

Philip Walther (Invited speaker)
24 Apr 2012

Activity: Talks and presentationsTalk or oral contributionOther


Photonic Quantum Simulations and Quantum Cloud Computing

Philip Walther (Invited speaker)
28 Mar 2012

Activity: Talks and presentationsTalk or oral contributionOther


Recent results in Photonic Quantum Computations, Simulations and Networks

Philip Walther (Speaker)
2 Mar 2012

Activity: Talks and presentationsTalk or oral contributionOther


Photonic Quantum Computations, Simulations and Networks

Philip Walther (Invited speaker)
16 Feb 2012

Activity: Talks and presentationsTalk or oral contributionOther


Photonic Entanglement as Resource for Fundamental Tests and Quantum Information Processing

Philip Walther (Invited speaker)
10 Jan 2012

Activity: Talks and presentationsTalk or oral contributionOther


Photonic Quantum Simulation of Frustrated Spin Systems

Philip Walther (Invited speaker)
3 Jan 2012

Activity: Talks and presentationsTalk or oral contributionOther


Photonic Quantum Systems: Recent Results & Perspectives

Philip Walther (Invited speaker)
19 Dec 2011

Activity: Talks and presentationsTalk or oral contributionOther


Photonic entanglement for quantum computation and quantum simulation

Philip Walther (Invited speaker)
14 Dec 2011

Activity: Talks and presentationsTalk or oral contributionOther


Photonic quantum control: from quantum simulation of frustrated spin systems to new architectures for quantum computers

Philip Walther (Invited speaker)
30 Nov 2011

Activity: Talks and presentationsTalk or oral contributionOther


Photonic Quantum Simulation of Frustrated Spin Systems

Philip Walther (Invited speaker)
6 Sep 2011

Activity: Talks and presentationsTalk or oral contributionOther


Photonic entanglement for quantum computation and quantum simulation

Philip Walther (Invited speaker)
8 Jul 2011

Activity: Talks and presentationsTalk or oral contributionOther


CAMEL 7 - Control of Quantum Dynamics of Atoms, Molecules and Ensembles

Philip Walther (Invited speaker)
3 Jul 2011

Activity: Talks and presentationsTalk or oral contributionOther


Novel quantum computing using fundamental principles of the quantum world

Philip Walther (Invited speaker)
24 Jun 2011

Activity: Talks and presentationsTalk or oral contributionOther


Photonic Quantum Computation and Quantum Simulation

Philip Walther (Invited speaker)
9 Jun 2011

Activity: Talks and presentationsTalk or oral contributionOther


Experimental photonic quantum computing: from fundamental tests to quantum simulation of frustrated Heisenberg spin systems

Philip Walther (Invited speaker)
29 Apr 2011

Activity: Talks and presentationsTalk or oral contributionOther


Photonic quantum simulation of frustration in chemical and physical systems

Philip Walther (Invited speaker)
15 Apr 2011

Activity: Talks and presentationsTalk or oral contributionOther


Photonic Quantum Simulation of Frustrated Valence-Bond States

Philip Walther (Keynote speaker)
6 Apr 2011

Activity: Talks and presentationsTalk or oral contributionOther


From fundamental questions to photonic quantum computation

Philip Walther (Invited speaker)
30 Mar 2011

Activity: Talks and presentationsTalk or oral contributionOther


Quantum chemistry using entangled photons: Quantum simulation of frustrated valence-bond states

Philip Walther (Invited speaker)
28 Mar 2011

Activity: Talks and presentationsTalk or oral contributionOther


Experimental photonic quantum simulation of frustrated Heisenberg spins

Philip Walther (Invited speaker)
24 Mar 2011

Activity: Talks and presentationsTalk or oral contributionOther


Photonic Quantum Simulation of Valence-Bond States

Philip Walther (Invited speaker)
28 Feb 2011

Activity: Talks and presentationsTalk or oral contributionOther


Public panellist, "God does not play dice!" Quantum Physics - future technology or science fiction?

Philip Walther (Invited speaker)
1 Nov 2010

Activity: Talks and presentationsTalk or oral contributionOther


Photonic entanglement engineering and quantum simulation of frustrated spin systems

Philip Walther (Invited speaker)
28 Oct 2010

Activity: Talks and presentationsTalk or oral contributionOther


Experimental quantum state engineering and simulation of valence bond states

Philip Walther (Invited speaker)
20 Jul 2010

Activity: Talks and presentationsTalk or oral contributionOther


Experimental photonic analog quantum computing

Philip Walther (Invited speaker)
9 Jul 2010

Activity: Talks and presentationsTalk or oral contributionOther


Optical Quantum Information Processing

Philip Walther (Invited speaker)
6 Jul 2010

Activity: Talks and presentationsTalk or oral contributionOther


Novel experiments within the quantum world

Philip Walther (Invited speaker)
25 Jun 2010

Activity: Talks and presentationsTalk or oral contributionOther


From state engineering to monogamic simulators

Philip Walther (Invited speaker)
18 Jun 2010

Activity: Talks and presentationsTalk or oral contributionOther


Experimental engineering of heralded photonic entanglement

Philip Walther (Invited speaker)
16 Feb 2010

Activity: Talks and presentationsTalk or oral contributionOther


The German Young Academy and its Projects

Philip Walther (Invited speaker)
8 Feb 2010

Activity: Talks and presentationsTalk or oral contributionOther


From state engineering to monogamic simulators

Philip Walther (Invited speaker)
4 Feb 2010

Activity: Talks and presentationsTalk or oral contributionOther


Quantum information processing beyond the state-of-the-art technology

Philip Walther (Speaker)
4 Nov 2009

Activity: Talks and presentationsTalk or oral contributionOther


From Entanglement to Quantum Computing

Philip Walther (Speaker)
6 Sep 2009

Activity: Talks and presentationsTalk or oral contributionOther


Experimental quantum state engineering using linear optics and parametric down-conversion

Philip Walther (Speaker)
27 Aug 2009

Activity: Talks and presentationsTalk or oral contributionOther


Experimental quantum computing using cluster states

Philip Walther (Speaker)
14 Apr 2009

Activity: Talks and presentationsTalk or oral contributionOther


Photonic Superposition and Entanglement

Philip Walther (Speaker)
13 Jan 2009

Activity: Talks and presentationsTalk or oral contributionOther


Experimental demonstration of quantum algorithms on photonic one-way quantum computers

Philip Walther (Invited speaker)
4 Dec 2008

Activity: Talks and presentationsTalk or oral contributionOther


Experimental demonstration of quantum algorithms on a photonic one-way quantum computer

Philip Walther (Invited speaker)
16 Sep 2008

Activity: Talks and presentationsTalk or oral contributionOther


Recent Results on Quantum Entanglement and Quantum Computation in Multi-Photon Systems

Philip Walther (Speaker)
25 Sep 2005

Activity: Talks and presentationsTalk or oral contributionOther


From Entangled Photons to Quantum Computation,

Philip Walther (Speaker)
22 Aug 2005

Activity: Talks and presentationsTalk or oral contributionOther


Quantum Variety of Four-Photon Entanglement,

Philip Walther (Speaker)
17 Aug 2005

Activity: Talks and presentationsTalk or oral contributionOther


Quantum Computing Concept Maturation in Vienna

Philip Walther (Invited speaker)
6 Jul 2005

Activity: Talks and presentationsTalk or oral contributionOther


Warum Einstein nicht Recht hatte und doch Wesentliches zu sagen wußte

Philip Walther (Invited speaker)
13 Jun 2005

Activity: Talks and presentationsTalk or oral contributionOther


From EPR to Experimental Quantum Computing,

Philip Walther (Invited speaker)
10 Apr 2005

Activity: Talks and presentationsTalk or oral contributionOther


From Einstein to Star-Trek,

Philip Walther (Speaker)
8 Apr 2005

Activity: Talks and presentationsTalk or oral contributionOther


A four-qubit one-way quantum computer QUIPROLO II, Quantum Information Processing

Philip Walther (Speaker)
29 Mar 2005

Activity: Talks and presentationsTalk or oral contributionOther


Experimental One-Way Quantum Computation,

Philip Walther (Selected presenter)
27 Feb 2005

Activity: Talks and presentationsTalk or oral contributionOther


From Entanglement to Quantum Computing

Philip Walther (Selected presenter)
12 Feb 2005

Activity: Talks and presentationsTalk or oral contributionOther


Experiments on Entanglement-Based Multiphoton Quantum Logic

Philip Walther (Selected presenter)
1 Apr 2004

Activity: Talks and presentationsTalk or oral contributionOther


Recent Results in Four-Photon Entanglement Experiments

Philip Walther (Invited speaker)
1 Apr 2004

Activity: Talks and presentationsTalk or oral contributionOther


Quantum Optics, Quantum Nanophysics and Quantum Information

Group Speaker

Boltzmanngasse 5
1090 Wien
Room: 3430

T: +43-1-4277-72560
M: +43-664-60277-72560
F: +43-1-4277-872560

philip.walther@univie.ac.at