©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


Teaching

CV

Publications


Showing entries 0 - 20 out of 92

Quantum cryptography with highly entangled photons from semiconductor quantum dots. / Schimpf, Christian (Corresponding author); Reindl, Marcus; Huber, Daniel; Lehner, Barbara; Da Silva, Saimon F. Covre; Manna, Santanu; Vyvlecka, Michal; Walther, Philip; Rastelli, Armando.

In: Science Advances, Vol. 7, No. 16, 8905, 04.2021.

Publication: Contribution to journalArticlepeer-review


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 journalArticlepeer-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 journalArticlepeer-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 journalArticlepeer-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 journalArticlepeer-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 journalArticlepeer-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 bookContribution to proceedingspeer-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 bookContribution to proceedingspeer-review


Experimental Two-Way Communication with One Photon. / Massa, Francesco (Corresponding author); Moqanaki, Amir; Bäumeler, Ämin; Del Santo, Flavio; Kettlewell, Joshua A.; Dakic, Borivoje; Walther, Philip (Corresponding author).

In: Advanced Quantum Technologies, Vol. 2, No. 11, 1900050, 11.2019.

Publication: Contribution to journalArticlepeer-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 journalArticlepeer-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 journalArticlepeer-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 journalArticlepeer-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 journalArticlepeer-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 bookContribution to proceedingspeer-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 bookContribution to proceedingspeer-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 bookContribution to proceedingspeer-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 journalArticlepeer-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 journalArticlepeer-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 journalArticlepeer-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 journalArticlepeer-review


Showing entries 0 - 20 out of 92