©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 84

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.

Research output: Contribution to journalArticle


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.

Research output: Contribution to journalArticle


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.

Research output: Contribution to journalArticle


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.

Research output: Contribution to journalArticle


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.

Research output: Contribution to journalArticle


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).

Research output: Contribution to bookContribution to proceedings


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).

Research output: Contribution to bookContribution to proceedings


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).

Research output: Contribution to bookContribution to proceedings


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.

Research output: Contribution to journalArticle


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.

Research output: Contribution to journalArticle


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.

Research output: Contribution to journalArticle


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.

Research output: Contribution to journalArticle


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.

Research output: Contribution to journalArticle


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.

Research output: Contribution to journalArticle


Numerical Investigation of Photon-Pair Generation in Periodically Poled MTiOXO4 (M = K, Rb, Cs; X = P, As). / Laudenbach, Fabian (Corresponding author); Jin, Rui-Bo; Greganti, Chiara; Hentschel, Michael; Walther, Philip; Huebel, Hannes.

In: Physical Review Applied, Vol. 8, No. 2, 024035, 31.08.2017.

Research output: Contribution to journalArticle


A novel single-crystal & single-pass source for polarisation- and colour-entangled photon pairs. / Laudenbach, Fabian (Corresponding author); Kalista, Sebastian; Hentschel, Michael; Walther, Philip; Huebel, Hannes.

In: Scientific Reports, Vol. 7, 7235, 03.08.2017.

Research output: Contribution to journalArticle


Single-photon test of hyper-complex quantum theories using a metamaterial. / Procopio, Lorenzo M.; Rozema, Lee A.; Wong, Zi Jing; Hamel, Deny R.; O'Brien, Kevin; Zhang, Xiang (Corresponding author); Dakic, Borivoje; Walther, Philip (Corresponding author).

In: Nature Communications, Vol. 8, 15044, 21.04.2017.

Research output: Contribution to journalArticle


Experimental Verification of an Indefinite Causal Order. / Rubino, Giulia (Corresponding author); Rozema, Lee A.; Feix, Adrien; Araújo, Mateus; Zeuner, Jonas M.; Procopio, Lorenzo M.; Brukner, Caslav; Walther, Philip (Corresponding author).

In: Science Advances, Vol. 3, No. 3, 160258, 24.03.2017.

Research output: Contribution to journalArticle


Gravitationally induced phase shift on a single photon. / Hilweg, Christopher (Corresponding author); Massa, Francesco; Martynov, Denis; Mavalvala, Nergis; Chrusciel, Piotr T.; Walther, Philip.

In: New Journal of Physics, Vol. 19, 033028, 16.03.2017.

Research output: Contribution to journalArticle


A Novel Compact and Efficient Source of Photonic Entanglement. / Laudenbach, Fabian (Corresponding author); Kalista, Sebastian; Hentschel, Michael; Walther, Philip; Huebel, Hannes.

2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC). IEEE, 2017.

Research output: Contribution to bookContribution to proceedings


Showing entries 0 - 20 out of 84