©Rafaela Proell
Philip Walther
Professor
Head of the Quantum Optics, Quantum Nanophysics & Quantum Information Group
Head of the Research Platform TURIS (Testing Quantum and Gravity Interface with Single Photons)
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 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 journal › Article
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 journal › Article
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 journal › Article
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 journal › Article
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 book › Contribution 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 book › Contribution 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 book › Contribution 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 journal › Article
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 journal › Article
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 journal › Article
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 journal › Article
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 journal › Article
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 journal › Article
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 journal › Article
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 journal › Article
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 journal › Article
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 journal › Article
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 journal › Article
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 book › Contribution to proceedings
Experimental Tests of Indefinite Causal Orders. / Rozema, Lee A. (Corresponding author); Rubino, Giulia; Feix, Adrien; Araujo, Mateus; Brukner, Caslav; Walther, Philip.
Proceedings Conference on Lasers and Electro-Optics, 14–19 May 2017, San Jose, California, United States. 2017. FTu1F.6 (Conference on Lasers and Electro-Optics).Research output: Contribution to book › Contribution to proceedings