Geza Toth

Ikerbasque Research Professor, EHU

Ikerbasque Research Professor at the Department of Theoretical Physics and History of Science, Faculty of Science and Technology, EHU

Research line:

Quantum information science, quantum optics

European Research Council (ERC) Starting Grant 2010

Previous research experience as a postdoctoral fellow at the University of Oxford (2 years), at the Max Planck Institute for Quantum Optics, Munich (3 years), at the Wigner Research Centre for Physics of the Hungarian Academy of Sciences, and the ICFO (Institute of Photonic Sciences) in Barcelona

Doctor in Electrical Engineering 2000 from the University of Notre Dame, Indiana, USA

2025

Article / Alternatives of entanglement depth and metrological entanglement criteria

Quantum

Szalay, S.; Tóth, G.

2024

Article / Activation of metrologically useful genuine multipartite entanglement

New Journal of Physics

Trényi, R.; Lukács, Á.; Horodecki, P.; Horodecki, R.; Vértesi, T.; Tóth, G.

Article / Collective Randomized Measurements in Quantum Information Processing

Physical Review Letters

Imai, S.; Tóth, G.; Gühne, O.

2023

Article / Number-phase uncertainty relations and bipartite entanglement detection in spin ensembles

Quantum

Vitagliano, G.; Fadel, M.; Apellaniz, I.; Kleinmann, M.; Lücke, B.; Klempt, C.; Tóth, G.

Article / Entanglement witnesses in the XY chain: Thermal equilibrium and postquench nonequilibrium states

Physical Review Research

Iglói, F.; Tóth, G.

Article / Quantum Wasserstein distance based on an optimization over separable states

Quantum

Tóth, G.; Pitrik, J.

2022

Article / Uncertainty relations with the variance and the quantum Fisher information based on convex decompositions of density matrices

Physical Review Research

Tóth, G.; Fröwis, F.

2021

Article / Bound entangled singlet-like states for quantum metrology

Physical Review Research

Pál, K.F.; Tóth, G.; Bene, E.; Vértesi, T.

2020

Article / Stretching the limits of multiparticle entanglement

Quantum Views 4, 30 (2020)

G. Toth

Article / Measurement-induced, spatially-extended entanglement in a hot, strongly-interacting atomic system

Nature Communications

Kong, J.; Jiménez-Martínez, R.; Troullinou, C.; Lucivero, V.G.; Tóth, G.; Mitchell, M.W.

Article / Activating Hidden Metrological Usefulness

Physical Review Letters

Tóth, G.; Vértesi, T.; Horodecki, P.; Horodecki, R.

2018

Article / Precision bounds for gradient magnetometry with atomic ensembles

Physical Review A

Apellaniz, I.; Urizar-Lanz, I.; Zimborás, Z.; Hyllus, P.; Tóth, G.

Article / Entanglement between two spatially separated atomic modes

Science

Lange, K.; Peise, J.; Lücke, B.; Kruse, I.; Vitagliano, G.; Apellaniz, I.; Kleinmann, M.; Tóth, G.; Klempt, C.

Article / Entanglement loss in molecular quantum-dot qubits due to interaction with the environment

Journal of Physics Condensed Matter

Blair, E.P.; Tóth, G.; Lent, C.S.

Article / Entanglement and extreme planar spin squeezing

Physical Review A

Vitagliano, G.; Colangelo, G.; Martin Ciurana, F.; Mitchell, M.W.; Sewell, R.J.; Tóth, G.

Article / Quantum States with a Positive Partial Transpose are Useful for Metrology

Physical Review Letters

Tóth, G.; Vértesi, T.

2017

Article / How long does it take to obtain a physical density matrix?

arxiv:1512.06866.

L. Knips, C. Schwemmer, N. Klein, J. Reuter, G. Tóth, and H. Weinfurter

Article / Lower bounds on the quantum Fisher information based on the variance and various types of entropies

arxiv:1701.07461

G. Toth

Article / Multiparticle entanglement criteria for nonsymmetric collective variances

arXiv:1708.06986

O. Marty, M. Cramer, G. Vitagliano, G. Tóth, and M. B. Plenio

Article / Optimal witnessing of the quantum Fisher information with few measurements

Physical Review A

Apellaniz, I.; Kleinmann, M.; Gühne, O.; Tóth, G.

Article / Entanglement and extreme spin squeezing of unpolarized states

New Journal of Physics

Vitagliano, G.; Apellaniz, I.; Kleinmann, M.; Lücke, B.; Klempt, C.; Tóth, G.

2016

Article / Optimized parameter estimation in the presence of collective phase noise

Physical Review A

Altenburg, S.; Wölk, S.; Tóth, G.; Gühne, O.

2015

Article / Verifying the metrological usefulness of Dicke states with collective measurements

New J. Phys.

I. Apellaniz, B. Lücke, J. Peise, C. Klempt, G. Tóth

Article / Quantum Nondemolition Measurement Enables Macroscopic Leggett-Garg Tests

Physical Review Letters

Budroni, C.; Vitagliano, G.; Colangelo, G.; Sewell, R.J.; Gühne, O.; Tóth, G.; Mitchell, M.W.

Article / Detecting metrologically useful entanglement in the vicinity of Dicke states

New Journal of Physics

Apellaniz, I.; Lücke, B.; Peise, J.; Klempt, C.; Tóth, G.

Article / Evaluating convex roof entanglement measures

Physical Review Letters

Tóth, G.; Moroder, T.; Gühne, O.

2014

Article / Generation of macroscopic singlet states in a cold atomic ensemble

Physical Review Letters

Behbood, N.; Martin Ciurana, F.; Colangelo, G.; Napolitano, M.; Tóth, G.; Sewell, R.J.; Mitchell, M.W.

Article / Experimental comparison of efficient tomography schemes for a six-qubit State

Physical Review Letters

Schwemmer, C.; Tóth, G.; Niggebaum, A.; Moroder, T.; Gross, D.; Gühne, O.; Weinfurter, H.

Article / Detecting multiparticle entanglement of Dicke states

Physical Review Letters

Lücke, B.; Peise, J.; Vitagliano, G.; Arlt, J.; Santos, L.; Tóth, G.; Klempt, C.

Article / Spin squeezing and entanglement for an arbitrary spin

Physical Review A - Atomic, Molecular, and Optical Physics

Vitagliano, G.; Apellaniz, I.; Egusquiza, I.L.; Tóth, G.

Review / Quantum metrology from a quantum information science perspective

Journal of Physics A: Mathematical and Theoretical

Tóth, G.; Apellaniz, I.

2013

Article / Macroscopic singlet states for gradient magnetometry

Physical Review A - Atomic, Molecular, and Optical Physics

Urizar-Lanz, I.; Hyllus, P.; Egusquiza, I.L.; Mitchell, M.W.; Tóth, G.

Article / Extremal properties of the variance and the quantum Fisher information

Physical Review A - Atomic, Molecular, and Optical Physics

Tóth, G.; Petz, D.

2012

Article / Permutationally invariant state reconstruction

New Journal of Physics

Moroder, T.; Hyllus, P.; Tóth, G.; Schwemmer, C.; Niggebaum, A.; Gaile, S.; Gühne, O.; Weinfurter, H.

Article / Entanglement and extreme spin squeezing for a fluctuating number of indistinguishable particles

Physical Review A - Atomic, Molecular, and Optical Physics

Hyllus, P.; Pezzé, L.; Smerzi, A.; Tóth, G.

Article / Multipartite entanglement and high-precision metrology

Physical Review A - Atomic, Molecular, and Optical Physics

Tóth, G.

2011

Article / Optimal generalized variance and quantum Fisher information

arxiv:1109.2831, Phys. Rev. A

G. Tóth, D. Petz

Article / Spin squeezing inequalities for arbitrary spin

Physical Review Letters

Vitagliano, G.; Hyllus, P.; Egusquiza, I.L.; Tóth, G.

2010

Article / Mapping the spatial distribution of entanglement in optical lattices

Physical Review A - Atomic, Molecular, and Optical Physics

Alba, E.; Tóth, G.; García-Ripoll, J.J.

Article / Permutationally invariant quantum tomography

Physical Review Letters

Tóth, G.; Wieczorek, W.; Gross, D.; Krischek, R.; Schwemmer, C.; Weinfurter, H.

Article / Number-operator-annihilation-operator uncertainty as an alternative for the number-phase uncertainty relation

Physical Review A - Atomic, Molecular, and Optical Physics

Urizar-Lanz, I.; Tóth, G.

Article / Generation of macroscopic singlet states in atomic ensembles

New Journal of Physics

Tóth, G.; Mitchell, M.W.

Article / Separability criteria and entanglement witnesses for symmetric quantum states

Applied Physics B: Lasers and Optics

Tóth, G.; Gühne, O.

2009

Article / Experimental entanglement of a six-photon symmetric dicke state

Physical Review Letters

Wieczorek, W.; Krischek, R.; Kiesel, N.; Michelberger, P.; Tóth, G.; Weinfurter, H.

Article / Practical methods for witnessing genuine multi-qubit entanglement in the vicinity of symmetric states

New Journal of Physics

Tóth, G.; Wieczorek, W.; Krischek, R.; Kiesel, N.; Michelberger, P.; Weinfurter, H.

Article / Entanglement and permutational symmetry

Physical Review Letters

Tóth, G.; Gühne, O.

Article / Spin squeezing and entanglement

Physical Review A - Atomic, Molecular, and Optical Physics

Tóth, G.; Knapp, C.; Gühne, O.; Briegel, H.J.

Review / Entanglement detection

Physics Reports

Gühne, O.; Tóth, G.

Lower Bounds on Quantum Metrological Precision

University of the Basque Country UPV/EHU

Iagoba Apellaniz - Finished

Spin squeezing, macrorealism and the Heisenberg uncertainty principle

University of the Basque Country UPV/EHU

Giuseppe Vitagliano - Finished

Quantum Metrology with Unpolarized Atomic Ensembles

University of the Basque Country UPV/EHU

Iñigo Urizar Lanz - Finished

2024

2023-2024/2nd trimester. Quantum Information Science, 20 hours. Graduate course in the Master's program in Quantum Science and Technology at UPV/EHU.

2023

2022-2023/2nd trimester. Quantum Information Science, 20 hours. Graduate course in the Master's program in Quantum Science and Technology at UPV/EHU.

2022

2021-2022/2nd trimester. Quantum Information Science, 20 hours. Graduate course in the Master's program in Quantum Science and Technology at UPV/EHU.

2021

2020-2021/2nd trimester. Quantum Information Science, 20 hours. Graduate course in the Master's program in Quantum Science and Technology at UPV/EHU.

2020

2019-2020/2nd trimester. Quantum Information Science, 20 hours. Graduate course in the Master's program in Quantum Science and Technology at UPV/EHU.

2019

2018-2019/2nd trimester. Quantum Information Science, 20 hours. Graduate course in the Master's program in Quantum Science and Technology at UPV/EHU.

2018

2017-2018/2nd trimester. Quantum Information Science, 20 hours. Graduate course in the Master's program in Quantum Science and Technology at UPV/EHU.

2017

2016-2017/2nd trimester. Quantum Information Science, 20 hours. Graduate course in the Master's program in Quantum Science and Technology at UPV/EHU.

2016

2015-2016/2nd trimester. Quantum Information Science, 20 hours. Graduate course in the Master's program in Quantum Science and Technology at UPV/EHU.

2015

2014-2015/2nd trimester. Quantum Information Science, 20 hours. Graduate course in the Master's program in Quantum Science and Technology at UPV/EHU. (from January 2015)

Introduction to quantum information science and quantum computation (4×50 minute lectures) within the class Temas de Física (J.M.M. Senovilla), University of the Basque Country UPV/EHU, Feb-March, 2014.

2014

Introduction to quantum information science and quantum computation (2×50 minute lectures in Spanish) within the class Temas de Física (J.M.M. Senovilla), University of the Basque Country UPV/EHU, 5-6 May, 2014.

2013

2012-2013/2nd trimester. Quantum Information Science, 12 hours. Graduate course in the Master's program in Quantum Science and Technology at UPV/EHU.

2012

2011-2012/2nd trimester. Quantum Information Science, 10 hours. Graduate course in the Master's program in Quantum Science and Technology at UPV/EHU.

2023

In the program committee of AQIS 2023 (Seoul, Korea), chair Mark M. Wilde, steering committee chair: Jaewan Kim.

2020

Fundamental Quantum Physics and Applications in Space, Budapest, 30 March-3 April, 2020. Organizers: L. Diosi, R. Kaltenbaek, G. Toth, H. Ulbricht, L. Wörner, A. Xuereb. Local Organizer: Sz. Szalay. Our conference is organized in the context of, and is supported by, the COST Action "Quantum Technologies in Space" (QTSpace, CA15220). Postponed to 2021. https://indico.kfki.hu/e/qtspace2020

2018

G. T oth, Z. Zimboras, Sz. Szalay, J. Asboth, Entanglement Days, Wigner Research centre for Phyiscs, took place at Building ”A”, Budapest, 26-28 September, 2018. 4 plenary talks, 10 invited talks, 19 contributed talks, 25 posters, 80 participants. https://indico.kfki.hu/event/845/

2015

J. Asboth, Sz. Szalay, G. Toth, Entanglement Day, Wigner Research Centre for Physics, Budapest, 24-25 September, 2015; 11 talks https://indico.kfki.hu/event/315/

G. Toth, G. Vitagliano, I. Apellaniz, International Workshop on Cold Gases in Quantum Information (CGQI), University of the Basque Country UPV/EHU, Leioa (Bilbao), 30 June-1 July, 2015. 10 invited talks, 8 contributed talks. http://www.gedentqopt.eu/Workshops/cgqi

2014

G. Toth, O. Guhne, and M. Cramer, International Conference on Entanglement Detection and Quantification, Bilbao, Spain, March 10-13, 2014. 16 invited talks, 18 contributed talks, poster session. 70-80 participants. http://www.bilbaoquantum2014.eu/

2013

O. Guhne and G. Toth, organizing the 4th International Workshop on Quantum Entanglement and its Detection (QED4), University of Siegen, Germany, September 23-27, 2013. With the support of Journal of Physics A. 8 invited talks, 17 contributed talks, >40 participants. http://www.physik.uni-siegen.de/tqo/conferences/qed4.html

2012

G. Toth and O. Guhne, organizing the 3rd International Workshop on Quantum Entanglement and its Detection (QED3), The University of the Basque Country, Leioa/Bilbao, Spain, 7-12 September 2012. With the support of Journal of Physics A. 8 invited talks, 10 contributed talks. About 25-30 participants. http://www.gedentqopt.eu/Guests/qed3

2011

O. Guhne and G. Toth, organizing the 2nd International Workshop on Quantum Entanglement and its Detection (QED2), University of Siegen, Germany, September 23-26, 2011. 8 invited talks.

2010

G. Toth, O. Guhne, and E. Solano, Organizing the 1st International Workshop on Quantum Entanglement and its Detection (QED1), University of the Basque Country UPV/EHU, Leioa/Bilbao, 27-28 April 2010.

2024

Invited talk | Number-phase uncertainty relations and bipartite entanglement detection in spin ensembles

7th Basque Quantum Science and Technology Workshop, San Sebastian, October 4, 2024 - Invited talk

G. Toth

Oral presentation | Quantum Wasserstein distance based on an optimization over separable states

DPG Spring Meeting, Berlin, Germany, March 18-22, 2024 - Oral presentation

G. Toth

Oral presentation | Quantum Wasserstein distance based on an optimization over separable states

Quantum Matter 2024, San Sebastian, May 6-10, 202 - Oral presentation

G. Toth

Oral presentation | Quantum Wasserstein distance based on an optimization over separable states

ICE-9 Quantum Information in Spain, Tenerife, Spain, November 11-16, 2024 - Oral presentation

G. Toth

2023

Invited talk | Activation of metrologically useful genuine multipartite entanglement,

XIV Symposium KCIK-ICTQT on Quantum Information - Invited talk

G. Toth

Invited talk | Detecting metrologically useful multipartite entanglement in cold gases

Quantum Interactive Dynamics II (QID-2) (organized by Alessio Lerose, Vir B. Bulchandani and Shivaji Sondhi) - Invited talk

G. Toth

Oral presentation | Quantum Wasserstein distance based on an optimization over separable states,

APS March meeting (online), March 20-22, 2023 - Oral presentation

G. Toth

Oral presentation | Quantum Wasserstein distance based on an optimization over separable states,

DPG Spring Meeting of the Atomic, Molecular, Quantum Optics and Photonics Section (SAMOP), Hannover, Germany, March 5-10, 2023 - Oral presentation

G. Toth

Oral presentation | Number-phase uncertainty relations and bipartite entanglement detection in spin ensembles

DPG Spring Meeting of the Atomic, Molecular, Quantum Optics and Photonics Section (SAMOP), Hannover, Germany, March 5-10, 2023. - Oral presentation

G. Toth

2022

Invited talk | Uncertainty relations with the variance and the quantum Fisher information

Entanglement in action - Invited talk

G. Toth

Oral presentation | Uncertainty relations with the variance and the quantum Fisher information

New trends in complex quantum systems dynamics 2022, San Sebastian, 20-24 June, 2022 - Oral presentation

G. Toth

Oral presentation | Uncertainty relations with the variance and the quantum Fisher information

International Conference on Reduced Density Matrix Theory for Quantum Many-Fermion Systems (RDM2022), San Sebastian, 15-17 June, 2022. - Oral presentation

G. Toth

Oral presentation | Uncertainty relations with the variance and the quantum Fisher information

DPG Meeting of the Condensed Matter Section (SKM), Regensburg, Germany, 4-9 September 2022 - Oral presentation

G. Toth

Oral presentation | Uncertainty relations with the variance and the quantum Fisher information

Conference of the Roland Eötvös Physical Society, Veszprém, Hungary, August 21-24, 2022. - Oral presentation

G. Toth

Poster presentation | Uncertainty relations with the variance and the quantum Fisher information

Quantum sensors and tests of new physics (QSNP), Hannover, Germany, 4-7 October 2022. - Poster presentation

G. Toth

2021

Conference Paper | Activating hidden metrological usefulness

Optics Infobase Conference Papers - Conference Paper

Tóth, G.; Vértesi, T.; Horodecki, P.; Horodecki, R.

Invited talk | Semidefinite programming in quantum information theory

Quantum information theory and optimization theory - Invited talk

G. Toth

Invited talk | Quantum entanglement and its use in metrology

Szilárd Leó Colloquium - Invited talk

G. Toth

Oral presentation | Activating hidden metrological usefulness

March Meeting - Oral presentation

G. Toth

Oral presentation | Activating hidden metrological usefulness

Quantum Information and Measurement VI (QIM) - Oral presentation

G. Toth

Oral presentation | Activating hidden metrological usefulness

Virtual DPG-Tagung (DPG Meeting) of the Atomic, Molecular, Plasma Physics and Quantum Optics Section (SAMOP) - Oral presentation

G. Toth

Oral presentation | Quantum states with a positive partial transpose are useful for metrology,

Engineering Quantum Open Systems 2019, - Oral presentation

G. Toth

Poster presentation | Activating hidden metrological usefulness

Quantum Optics X - Poster presentation

G. Toth

Poster presentation | Activating hidden metrological usefulness

2nd European Quantum Technologies Conference (EQTC) - Poster presentation

G. Toth

2020

Invited talk | Entanglement between two spatially separated atomic modes

Workshop on Entanglement Quantification in Cold Gases - Invited talk

G. Toth

2019

Invited talk | Entanglement between two spatially separated atomic modes

XVI International Conference on Quantum Optics and Quantum Information - Invited talk

G. Toth

Invited talk | Tutorial: Quantum metrology from a quantum information science perspective

Conference of the German Physical Society - Invited talk

G. Toth

Invited talk | Entanglement between two spatially separated atomic modes

Conference of the Roland Eötvös Physical Society - Invited talk

G. Toth

2018

Invited talk | Quantum Fisher information and entanglement

Quantum Information Theory and Mathematical Physics, - Invited talk

G. Toth

Invited talk | How long does it take to obtain a physical density matrix?

Mini-workshop on the foundations of quantum mechanics - Invited talk

G. Toth

Oral presentation | Lower bounds on the quantum Fisher information based on the variance and various types of entropies

Conference of the German Physical Society - Oral presentation

G. Toth

2017

Conference Paper | Multiqubit state tomography from a physical perspective

Optics InfoBase Conference Papers - Conference Paper

Knips, L.; Schwemmer, C.; Klein, N.; Reuter, J.; Toth, G.; Weinfurter, H.

Invited talk | Detecting metrologically useful multiparticle entanglement with few measurements: recent results

Quantum metrology workshop - Invited talk

G. Toth

Oral presentation | How long does it take to obtain a physical density matrix?

New trends on complex quantum system dynamics - Oral presentation

G. Toth

Oral presentation | New types of entangled states for metrology in space

2nd Quantum Technology Workshop - Implementations for Space - Oral presentation

G. Tóth

Poster presentation | Detecting metrologically useful entanglement in Dicke states

Conference and Working Group meeting of COST CA15220 QTSpace - Poster presentation

G. Toth

2016

Invited talk | Detecting metrologically useful multiparticle entanglement of Dicke states

Recent Advances in Quantum Metrology (RAQM 2016) - Invited talk

G. Toth

Oral presentation | Witnessing metrologically useful multiparticle entanglement

11th Conference on the Theory of Quantum Computation - Oral presentation

G. Toth

2015

Conference Paper | Generation of long-range entanglement in a macroscopic spin singlet

Optics InfoBase Conference Papers - Conference Paper

Sewell, R.J.; Behbood, N.; Colangelo, G.; Ciurana, F.M.; tóth, G.; Mitchell, M.W.

Invited talk | Detecting metrologically useful multiparticle entanglement of Dicke states

Continuous Variable Entanglement in Atomic Systems:Fundamentals and Applications - Invited talk

G. Toth

Oral presentation | Evaluation of convex roof entanglement measures

Conference of the German Physical Society - Oral presentation

G. Toth

2014

Oral presentation | Detection of multipartite entanglement close to symmetric Dicke states

Conference of the German Physical Society, - Oral presentation

G. Toth

2013

Oral presentation | Permutationally Invariant Quantum Tomography and State Reconstruction

Workshop on Mathematical Methods of Quantum Tomography - Oral presentation

G. Tóth et al.

Oral presentation | Quantum Fisher information as the convex roof of the variance and its relation to multipartite

4th International Workshop on Quantum Entanglement and its Detection (QED4) - Oral presentation

G. Toth, D. Petz

Oral presentation | Spin-squeezing inequalities for entanglement detection in cold gases

Quantum Information Processing and Communication International Conference (QIPC2013) - Oral presentation

G. Toth

Oral presentation | Spin-squeezing inequalities for entanglement detection in cold gases

13th International Conference on Squeezing and Uncertainty Relations (ICSSUR 2013) - Oral presentation

G. Toth

Oral presentation | Permutationally Invariant Quantum Tomography and State Reconstruction

Workshop Cartagena: New Trends in Complex Quantum System Dynamics - Oral presentation

G. Toth et al.

Oral presentation | Permutationally Invariant Quantum Tomography and State Reconstruction

Workshop on Mathematical Methods of Quantum Tomography - Oral presentation

G. Toth et al.

2012

Invited talk | Entanglement detection close to multi-qubit Dicke states in photonic experiments

Workshop on the dynamics and asymptotics in the Dicke model and quantum networks - Invited talk

G. Toth

Oral presentation | Optimal generalized variance and quantum Fisher information

Conference of the German Physical Society - Oral presentation

G. Toth, D. Petz

Oral presentation | My major research topics: Spin squeezing et al.

Workshop Información Cuántica en España (ICE-0) - Oral presentation

G. Toth

Oral presentation | Quantum Chromodynamics meets Quantum Information

3rd Workshop on the QCD Structure of the Nucleon (QCD-N'12) - Oral presentation

G. Toth, G. Vitagliano, Z. Zimboras, P. Hyllus, I.L. Egusquiza

2011

Conference Paper | Permutationally invariant tomography of a four-qubit symmetric Dicke state

Optics InfoBase Conference Papers - Conference Paper

Schwemmer, C.; Tóth, G.; Wieczorek, W.; Gross, D.; Krischek, R.; Weinfurter, H.

Conference Paper | Permutationally invariant tomography of a four-qubit symmetric Dicke state

2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference, CLEO EUROPE/EQEC 2011 - Conference Paper

Schwemmer, C.; Toth, G.; Wieczorek, W.; Gross, D.; Krischek, R.; Weinfurter, H.

Invited talk | Detection of k-entanglement with spin squeezing inequalities

2nd International Workshop on Quantum Entanglement and its Detection - Invited talk

G. Toth, G. Vitagliano, P. Hyllus, I. Egusquiza

Invited talk | Optimal spin squeezing inequalities for qudits

Quantum Computing, Control and Communication Workshop 2011 - Invited talk

G. Toth, G. Vitagliano, P. Hyllus, I. Egusquiza

Oral presentation | Permuationally Invariant Quantum tomography

Conference of the German Physical Society, - Oral presentation

G. Toth, W. Wieczorek, D. Gross, R. Krischek, C. Schwemmer, H. Weinfurter

2010

Conference Paper | Six-photon entangled Dicke state enabled by a UV enhancement cavity as novel SPDC photon source

Proceedings of SPIE - The International Society for Optical Engineering - Conference Paper

Wieczorek, W.; Krischek, R.; Ozawa, A.; Tóth, G.; Kiesel, N.; Michelberger, P.; Udem, T.; Weinfurter, H.

Invited talk | Multipartite entanglement and its experimental detection

Quantum Information with Atoms, Photons and Solid State Systems, - Invited talk

G. Toth

Invited talk | Multipartite entanglement and its experimental detection

Theoretical Physics Summer School â€œModern Results in Quantum Physicsâ€ - Invited talk

G. Toth

Invited talk | Generalized spin squeezing of unpolarized atomic ensembles and its modeling with Gaussian state

1st COQUIT Workshop - Invited talk

G. Toth, M.W. Mitchell