©Rafaela Proell
Philip Walther
Professor
Speaker, Quantum Optics, Quantum Nanophysics, Quantum Information
Speaker, Research Platform for Testing the Gravity and Quantum Interface (TURIS)
Group Leader, Quantum Computation and Quantum Information Science
Room: 3430, Boltzmanngasse 5, 1090 Vienna
E: philip.walther(at)univie.ac.at
T: +43 (0) 1 4277 72560
M: +43 664 60277 72560
Publications
Experimental quantum speed-up in reinforcement learning agents. / Saggio, V. (Corresponding author); Asenbeck, B. E.; Hamann, A.; Strömberg, T.; Schiansky, P.; Dunjko, V.; Friis, N.; Harris, N. C.; Hochberg, M.; Englund, D.; Wölk, S.; Briegel, H. J.; Walther, P.
In: Nature, Vol. 591, No. 7849, 11.03.2021, p. 229-233.Publication: Contribution to journal › Article › peer-review
Giant enhancement of third-harmonic generation in graphene-metal heterostructures. / Alonso Calafell, Irati (Corresponding author); Rozema, Lee A.; Alcaraz Iranzo, David; Trenti, Alessandro; Jenke, Philipp K.; Cox, Joel D.; Kumar, Avinash; Bieliaiev, Hlib; Nanot, Sebastien; Peng, Cheng; Efetov, Dmitri K.; Hong, Jin-Yong; Kong, Jing; Englund, Dirk R.; Garcia de Abajo, F. Javier; Koppens, Frank H. L.; Walther, Philip.
In: Nature Nanotechnology, Vol. 16, 03.2021, p. 318–324.Publication: Contribution to journal › Article › peer-review
Experimental quantum communication enhancement by superposing trajectories. / Rubino, Giulia (Corresponding author); Rozema, Lee A.; Ebler, Daniel; Kristjánsson, Hlér; Salek, Sina; Allard Guérin, Philippe; Abbott, Alastair A.; Branciard, Cyril; Brukner, Časlav; Chiribella, Giulio; Walther, Philip.
In: Physical Review Research, Vol. 3, No. 1, 29.01.2021, p. 013093.Publication: Contribution to journal › Article › peer-review
Fiber-compatible photonic feed-forward with 99% fidelity. / Zanin, Guilherme Luiz (Corresponding author); Jacquet, Maxime J.; Spagnolo, Michele; Schiansky, Peter; Alonso Calafell, Irati; Rozema, Lee A.; Walther, Philip.
In: Optics Express, Vol. 29, No. 3, 21.01.2021, p. 3425-3437.Publication: Contribution to journal › Article › peer-review
Scalable spin-photon entanglement by time-to-polarization conversion. / Vasconcelos, Rui; Reisenbauer, Sarah; Salter, Cameron; Wachter, Georg; Wirtitsch, Daniel; Schmiedmayer, Jörg; Walther, Philip; Trupke, Michael (Corresponding author).
In: npj Quantum Information, Vol. 6, No. 1, 9, 28.01.2020.Publication: Contribution to journal › Article › peer-review
Giant enhancement of high-harmonic generation in graphene-metal heterostructures. / Calafell, I. Alonso (Corresponding author); Rozema, L. A.; Alcaraz Iranzo, D.; Trenti, A.; Cox, J. D.; Kumar, A.; Bieliaiev, H.; Nanot, S.; Peng, C.; Efetov, D. K.; Hong, J. Y.; Kong, J.; Englund, D.; Garcia de Abajo, F. J.; Koppens, F. H. L.; Walther, P.
2020 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO). IEEE, 2020. .JTu2D.24 (Conference on Lasers and Electro-Optics).Publication: Contribution to book › Contribution to proceedings › peer-review
Higher-Order Interference in Quantum Mechanics Induced by Optical Nonlinearities. / Rozema, Lee A. (Corresponding author); Namdar, Peter; Calafell, Irati Alonso; Trenti, Alessandro; Dakic, Borivoje; Walther, Philip.
2020 Conference on Lasers and Electro-Optics (CLEO). IEEE, 2020. JTu2A.22 (Conference on Lasers and Electro-Optics).Publication: Contribution to book › Contribution to proceedings › peer-review
Experimental few-copy multipartite entanglement detection. / Saggio, Valeria (Corresponding author); Dimić, Aleksandra; Greganti, Chiara; Rozema, Lee A.; Walther, Philip; Dakić, Borivoje.
In: Nature Physics, Vol. 15, 09.2019, p. 935-940.Publication: Contribution to journal › Article › peer-review
Novel single-mode narrow-band photon source of high brightness tuned to cesium D2 line. / Moqanaki, Amir; Massa, Francesco; Walther, Philip.
In: JPhys Photonics, Vol. 4, No. 9, 090804, 09.2019.Publication: Contribution to journal › Article › peer-review
Trace-free counterfactual communication with a nanophotonic processor. / Calafell, I. Alonso (Corresponding author); Stroemberg, T. (Corresponding author); Arvidsson-Shukur, D. R. M.; Rozema, L. A.; Saggio, V.; Greganti, C.; Harris, N. C.; Prabhu, M.; Carolan, J.; Hochberg, M.; Baehr-Jones, T.; Englund, D.; Barnes, C. H. W.; Walther, P.
In: npj Quantum Information, Vol. 5, 61, 23.07.2019.Publication: Contribution to journal › Article › peer-review
Quantum computing with graphene plasmons. / Calafell, I. Alonso (Corresponding author); Cox, J. D.; Radonjic, M.; Saavedra, J. R. M.; Garcia de Abajo, F. J.; Rozema, L. A.; Walther, P.
In: npj Quantum Information, Vol. 5, 37, 02.05.2019.Publication: Contribution to journal › Article › peer-review
Genuine Counterfactual Communication with a Nanophotonic Processor. / Calafell, I. Alonso (Corresponding author); Strömberg, T.; Arvidsson-Shukur, D. R. M.; Rozema, L. A.; Saggio, V.; Graganti, C.; Harris, N. C.; Prabhu, M.; Carolan, J.; Hochberg, M.; Baehr-Jones, T.; Englund, D.; Barnes, C. H. W.; Walther, P.
2019 Conference on Lasers and Electro-Optics (CLEO). IEEE, 2019. (Conference on Lasers and Electro-Optics).Publication: Contribution to book › Contribution to proceedings › peer-review
Nonlinear Plasmonic Enhancement with Graphene Heterostructures. / Calafell, I. Alonso (Corresponding author); Rozema, L. A.; Alcaraz Iranzo, D.; Trenti, A.; Bieliaiev, H.; Koppens, F. H. L.; Walther, P.
2019 Conference on Lasers and Electro-Optics (CLEO). IEEE, 2019. (Conference on Lasers and Electro-Optics).Publication: Contribution to book › Contribution to proceedings › peer-review
Verifying Multi-Partite Entanglement with a Few Detection Events. / Rozema, Lee A. (Corresponding author); Saggio, Valeria; Dimic, Aleksandra; Greganti, Chiara; Walther, Philip; Dakic, Borivoje.
2019 Conference on Lasers and Electro-Optics (CLEO). IEEE, 2019. (Conference on Lasers and Electro-Optics).Publication: Contribution to book › Contribution to proceedings › peer-review
Quantum advantage for probabilistic one-time programs. / Roehsner, Marie-Christine (Corresponding author); Kettlewell, Joshua A.; Batalhao, Tiago B.; Fitzsimons, Joseph F. (Corresponding author); Walther, Philip (Corresponding author).
In: Nature Communications, Vol. 9, 5225, 06.12.2018.Publication: Contribution to journal › Article › peer-review
Weakly gravitating isotropic waveguides. / Beig, Robert; Chruściel, Piotr T.; Hilweg, Christopher (Corresponding author); Kornreich, Philipp; Walther, Philip.
In: Classical and Quantum Gravity, Vol. 35, No. 24, 244001, 13.11.2018.Publication: Contribution to journal › Article › peer-review
Integrated-optics heralded controlled-NOT gate for polarization-encoded qubits. / Zeuner, Jonas (Corresponding author); Sharma, Aditya N.; Tillmann, Max; Heilmann, Rene; Grafe, Markus; Moqanaki, Amir; Szameit, Alexander; Walther, Philip (Corresponding author).
In: npj Quantum Information, Vol. 4, 13, 15.02.2018.Publication: Contribution to journal › Article › peer-review
Tuning single-photon sources for telecom multi-photon experiments. / Greganti, Chiara (Corresponding author); Schiansky, Peter; Calafell, Irati Alonso; Procopio, Lorenzo M.; Rozema, Lee A.; Walther, Philip.
In: Optics Express, Vol. 26, No. 3, 05.02.2018, p. 3286-3302.Publication: Contribution to journal › Article › peer-review
Tapering of femtosecond laser-written waveguides. / Heilmann, Rene; Greganti, Chiara; Graefe, Markus; Nolte, Stefan; Walther, Philip; Szameit, Alexander (Corresponding author).
In: Applied Optics, Vol. 57, No. 3, 20.01.2018, p. 377-381.Publication: Contribution to journal › Article › peer-review
Comment on "Peres experiment using photons: No test for hypercomplex (quaternionic) quantum theories". / Procopio, Lorenzo M. (Corresponding author); Rozema, Lee A.; Dakic, Borivoje; Walther, Philip.
In: Physical Review A, Vol. 96, No. 3, 036101, 14.09.2017.Publication: Contribution to journal › Article › peer-review