Prof. Dr. Jan Sperling

Professor - Theoretical Quantum Science
33098 Paderborn
- Research Focus
quantum science, incl. quantum optics and quantum information theory
- Teaching Focus
theoretical/mathematical physics

Science Career |
|
Since 12/2021 |
Professor (W2) Theoretical Physics, Paderborn University |
2018 - 2021 |
Postdoc Paderborn University, Germany |
2016 - 2018 |
Postdoc University of Oxford, UK |
2008 - 2016 |
Postdoc Universität Rostock, Germany |
2015 |
Habilitation theoretical physics (DSc) Universität Rostock, Germany |
2013 |
Diploma mathematics (MSc) Universität Rostock, Germany |
2011 |
Doctorate theoretical physics (PhD) Universität Rostock, Germany |
2008 |
Diploma physics (MSc) Universität Rostock, Germany |
Recognitions |
|
Since 2013 |
Recognitions 2020: "Outstanding Referee Award", American Physical Society, USA 2016: participation, "66th Lindau Nobel Laureate Meeting", Lindau, Germany 2013: "Joachim Jungius PhD Award", Gesellschaft der Förderer der Universität Rostock e.V., Germany |
Scientific Engagement |
|
Organization of Scientific Events |
|
Since 2019 |
Selected Outreach Activities 2023: Digitale INFOTAGE Uni Paderborn, lecture for pupils "Quantenlogik" 2023: lecturer at jDPG Theory-Workshop, Büren-Wewelsburg, Germany 2022: podcast interview, "PaderPhy Episode 2: Wie klingt Quantenlicht?" 2020: interview, "50 Years of Physical Review A: The Legacy of Three Classics" (appeared as part of article: Physics 13, 24) 2019: local organizer, "Central European Workshop on Quantum Optics 2019", Paderborn, Germany |
Since 2015 |
Selected Invited Talks 2022: "Many colors of entanglement", 13th KCIK-ICTQT Symposium on Quantum Information, Sopot, Poland 2019: "Towards a universal picture for quantum coherence", IQOQI, Universität Wien (host: E. Agudelo), Vienna, Austria 2019: "Entanglement characterization via nonlinear eigenvalue equations" University of Siegen (host: O. Gühne), Siegen, Germany 2018: "Verification of Quantum Coherence", University of Nottingham (host: Gerardo Adesso), Nottingham, UK 2017: "Entanglement in Highly Multipartite Systems", University of Leeds (host: A. Beige), Leeds, UK 2016: "Detection of Multipartite Entanglement", Imperial College London (host: M. Kim), London, UK 2015: "Verification of Quantum Phenomena by Click Counting", International Conference on Light Quanta: Modern Perspectives and Applications, Allahabad, India |
Since 12/2021 |
Professor (W2) Theoretical Physics, Paderborn University |
Since 2019 |
Selected Outreach Activities 2023: Digitale INFOTAGE Uni Paderborn, lecture for pupils "Quantenlogik" 2023: lecturer at jDPG Theory-Workshop, Büren-Wewelsburg, Germany 2022: podcast interview, "PaderPhy Episode 2: Wie klingt Quantenlicht?" 2020: interview, "50 Years of Physical Review A: The Legacy of Three Classics" (appeared as part of article: Physics 13, 24) 2019: local organizer, "Central European Workshop on Quantum Optics 2019", Paderborn, Germany |
Since 2015 |
Selected Invited Talks 2022: "Many colors of entanglement", 13th KCIK-ICTQT Symposium on Quantum Information, Sopot, Poland 2019: "Towards a universal picture for quantum coherence", IQOQI, Universität Wien (host: E. Agudelo), Vienna, Austria 2019: "Entanglement characterization via nonlinear eigenvalue equations" University of Siegen (host: O. Gühne), Siegen, Germany 2018: "Verification of Quantum Coherence", University of Nottingham (host: Gerardo Adesso), Nottingham, UK 2017: "Entanglement in Highly Multipartite Systems", University of Leeds (host: A. Beige), Leeds, UK 2016: "Detection of Multipartite Entanglement", Imperial College London (host: M. Kim), London, UK 2015: "Verification of Quantum Phenomena by Click Counting", International Conference on Light Quanta: Modern Perspectives and Applications, Allahabad, India |
Since 2013 |
Recognitions 2020: "Outstanding Referee Award", American Physical Society, USA 2016: participation, "66th Lindau Nobel Laureate Meeting", Lindau, Germany 2013: "Joachim Jungius PhD Award", Gesellschaft der Förderer der Universität Rostock e.V., Germany |
2018 - 2021 |
Postdoc Paderborn University, Germany |
2016 - 2018 |
Postdoc University of Oxford, UK |
2008 - 2016 |
Postdoc Universität Rostock, Germany |
2015 |
Habilitation theoretical physics (DSc) Universität Rostock, Germany |
2013 |
Diploma mathematics (MSc) Universität Rostock, Germany |
2011 |
Doctorate theoretical physics (PhD) Universität Rostock, Germany |
2008 |
Diploma physics (MSc) Universität Rostock, Germany |
- Paper
J. Sperling and E. Agudelo
Entanglement of particles versus entanglement of fields: independent quantum resources
Phys. Rev. A 107, 042420 (2023).
https://doi.org/10.1103/PhysRevA.107.042420, arXiv:2204.06245M. Santandrea, K.-H. Luo, M. Stefszky, J. Sperling, H. Herrmann, B. Brecht, and C. Silberhorn
Lossy SU(1,1) interferometers in the single-photon-pair regime
Quantum Sci. Technol. 8, 025020 (2023).
https://doi.org/10.1088/2058-9565/acc205, arXiv:2211.07992C. Lüders, M. Pukrop, F. Barkhausen, E. Rozas, C. Schneider, S. Höfling, J. Sperling, S. Schumacher, and M. Aßmann
Tracking Quantum Coherence in Polariton Condensates with Time-Resolved Tomography
Phys. Rev. Lett. 130, 113601 (2023).
https://doi.org/10.1103/PhysRevLett.130.113601, arXiv:2209.07129J. Sperling, I. Gianani, M. Barbieri, and E. Agudelo
Detector entanglement: Quasidistributions for Bell-state measurements
Phys. Rev. A 107, 012426 (2023).
https://doi.org/10.1103/PhysRevA.107.012426, arXiv:2209.06232N. Prasannan, J. Sperling, B. Brecht, and C. Silberhorn
Direct Measurement of Higher-Order Nonlinear Polarization Squeezing
Phys. Rev. Lett. 129, 263601 (2022).
https://doi.org/10.1103/PhysRevLett.129.263601, arXiv:2204.07083P. Held, M. Engelkemeier, S. De, S. Barkhofen, J. Sperling, and C. Silberhorn
Driven Gaussian quantum walks
Phys. Rev. A 105, 042210 (2022).
https://doi.org/10.1103/PhysRevA.105.042210, arXiv:2112.08981K.-H. Luo, M. Santandrea, M. Stefszky, J. Sperling, M. Massaro, A. Ferreri, P. R. Sharapova, H. Herrmann, and C. Silberhorn
Quantum optical coherence: From linear to nonlinear interferometers
Phys. Rev. A 104, 043707 (2021).
https://doi.org/10.1103/PhysRevA.104.043707, arXiv:2104.02641C. Lüders, M. Pukrop, E. Rozas, C. Schneider, S. Höfling, J. Sperling, S. Schumacher, and M. Aßmann
Quantifying quantum coherence in polariton condensates
PRX Quantum 2, 030320 (2021).
https://doi.org/10.1103/PRXQuantum.2.030320, arXiv:2103.03033D. Bagrets, K. W. Kim, S. Barkhofen, S. De, J. Sperling, C. Silberhorn, A. Altland, and T. Micklitz
Probing the topological Anderson transition with quantum walks
Phys. Rev. Res. 3, 023183 (2021).
https://doi.org/10.1103/PhysRevResearch.3.023183, arXiv:2102.01176S. Köhnke, E. Agudelo, M. Schünemann, O. Schlettwein, W. Vogel, J. Sperling, and B. Hage
Quantum Correlations beyond Entanglement and Discord
Phys. Rev. Lett. 126, 170404 (2021).
https://doi.org/10.1103/PhysRevLett.126.170404, arXiv:2010.03490N. Prasannan, S. De, S. Barkhofen, B. Brecht, C. Silberhorn, and J. Sperling
Experimental entanglement characterization of two-rebit states
Phys. Rev. A 103, L040402 (2021).
https://doi.org/10.1103/PhysRevA.103.L040402, arXiv:2102.01450A. Geraldi, S. De, A. Laneve, S. Barkhofen, J. Sperling, P. Mataloni, and C. Silberhorn
Transient subdiffusion via disordered quantum walks
Phys. Rev. Res. 3, 023052 (2021).
https://doi.org/10.1103/PhysRevResearch.3.023052, arXiv:2007.12526J. Tiedau, M. Engelkemeier, B. Brecht, J. Sperling, and C. Silberhorn
Statistical Benchmarking of Scalable Photonic Quantum Systems
Phys. Rev. Lett. 126, 023601 (2021).
https://doi.org/10.1103/PhysRevLett.126.023601, arXiv:2008.11542T. Nitsche, S. De, S. Barkhofen, E. Meyer-Scott, J. Tiedau, J. Sperling, A. Gábris, I. Jex, and C. Silberhorn
Local Versus Global Two-Photon Interference in Quantum Networks
Phys. Rev. Lett. 125, 213604 (2020).
https://doi.org/10.1103/PhysRevLett.125.213604, arXiv:2005.07219M. Bohmann, E. Agudelo, and J. Sperling
Probing nonclassicality with matrices of phase-space distributions
Quantum 4, 343 (2020).
https://doi.org/10.22331/q-2020-10-15-343, arXiv:2003.11031M. Engelkemeier, L. Lorz, S. De, B. Brecht, I. Dhand, M. B. Plenio, C. Silberhorn, and J. Sperling
Quantum photonics with active feedback loops
Phys. Rev. A 102, 023712 (2020).
https://doi.org/10.1103/PhysRevA.102.023712, arXiv:2002.08154J. Sperling and I. A. Walmsley
Classical evolution in quantum systems
Phys. Scr. 95, 065101 (2020).
https://doi.org/10.1088/1402-4896/ab833b, arXiv:1802.02807J. Sperling and W. Vogel
Quasiprobability distributions for quantum-optical coherence and beyond
Phys. Scr. 95, 034007 (2020).
https://doi.org/10.1088/1402-4896/ab5501, arXiv:1907.12427J. Sperling, D. S. Phillips, J. F. F. Bulmer, G. S. Thekkadath, A. Eckstein, T. A. W. Wolterink, J. Lugani, S. W. Nam, A. Lita, T. Gerrits, W. Vogel, G. S. Agarwal, C. Silberhorn, and I. A. Walmsley
Detector-Agnostic Phase-Space Distributions
Phys. Rev. Lett. 124, 013605 (2020).
https://doi.org/10.1103/PhysRevLett.124.013605, arXiv:1904.10893J. Sperling, A. Perez-Leija, K. Busch, and C. Silberhorn
Mode-independent quantum entanglement for light
Phys. Rev. A 100, 062129 (2019).
https://doi.org/10.1103/PhysRevA.100.062129, arXiv:1910.02731V. Cimini, I. Gianani, M. Sbroscia, J. Sperling, and M. Barbieri
Measuring coherence of quantum measurements
Phys. Rev. Res. 1, 033020 (2019).
https://doi.org/10.1103/PhysRevResearch.1.033020, arXiv:1903.01173M. Rezai, J. Sperling, and I. Gerhardt
What can single photons do what lasers cannot do?
Quantum Sci. Technol. 4, 045008 (2019).
https://doi.org/10.1088/2058-9565/ab3d56D. S. Phillips, M. Walschaers, J. J. Renema, I. A. Walmsley, N. Treps, and J. Sperling
Benchmarking of Gaussian boson sampling using two-point correlators
Phys. Rev. A 99, 023836 (2019).
https://doi.org/10.1103/PhysRevA.99.023836, arXiv:1807.11294J. Sperling, E. Meyer-Scott, S. Barkhofen, B. Brecht, and C. Silberhorn
Experimental Reconstruction of Entanglement Quasiprobabilities
Phys. Rev. Lett. 122, 053602 (2019).
https://doi.org/10.1103/PhysRevLett.122.053602, arXiv:1810.07040J. Sperling and I. A. Walmsley
Quasistates and quasiprobabilities
Phys. Rev. A 98, 042122 (2018).
https://doi.org/10.1103/PhysRevA.98.042122, arXiv:1808.08471S. Gerke, W. Vogel, and J. Sperling
Numerical Construction of Multipartite Entanglement Witnesses
Phys. Rev. X 8, 031047 (2018).
https://doi.org/10.1103/PhysRevX.8.031047, arXiv:1801.08371J. Sperling and I. A. Walmsley
Quasiprobability representation of quantum coherence
Phys. Rev. A 97, 062327 (2018).
https://doi.org/10.1103/PhysRevA.97.062327, arXiv:1803.04747O. P. Kovalenko, J. Sperling, W. Vogel, and A. A. Semenov
Geometrical picture of photocounting measurements
Phys. Rev. A 97, 023845 (2018).
https://doi.org/10.1103/PhysRevA.97.023845, arXiv:1801.02677M. Bohmann, J. Tiedau, T. Bartley, J. Sperling, C. Silberhorn, and W. Vogel
Incomplete Detection of Nonclassical Phase-Space Distributions
Phys. Rev. Lett. 120, 063607 (2018).
https://doi.org/10.1103/PhysRevLett.120.063607, arXiv:1711.10962A. Perez-Leija, R. Leon-Montiel, J. Sperling, H. Moya-Cessa, A. Szameit, and K. Busch
Two-particle four-point correlations in dynamically disordered tight-binding networks
J. Phys. B: At. Mol. Opt. Phys. 51, 024002 (2018).
https://doi.org/10.1088/1361-6455/aa9aa1, arXiv:1706.09289J. Sperling and I. A. Walmsley
Separable and Inseparable Quantum Trajectories
Phys. Rev. Lett. 119, 170401 (2017).
https://doi.org/10.1103/PhysRevLett.119.170401, arXiv:1708.04421J. Kröger, T. Ahrens, J. Sperling, W. Vogel, H. Stolz, and B. Hage
High intensity click statistics from a 10 × 10 avalanche photodiode array
J. Phys. B: At. Mol. Opt. Phys. 50, 214003 (2017).
https://doi.org/10.1088/1361-6455/aa8e68, arXiv:1706.00949J. Sperling, A. Perez-Leija, K. Busch, and I. A. Walmsley
Quantum coherences of indistinguishable particles
Phys. Rev. A 96, 032334 (2017).
https://doi.org/10.1103/PhysRevA.96.032334, arXiv:1707.05545E. Agudelo, J. Sperling, L. S. Costanzo, M. Bellini, A. Zavatta, and W. Vogel
Conditional Hybrid Nonclassicality
Phys. Rev. Lett. 119, 120403 (2017).
https://doi.org/10.1103/PhysRevLett.119.120403, arXiv:1702.04257B. Kühn, W. Vogel, and J. Sperling
Displaced photon-number entanglement tests
Phys. Rev. A 96, 032306 (2017).
https://doi.org/10.1103/PhysRevA.96.032306, arXiv:1707.01707M. Bohmann, J. Sperling, and W. Vogel
Entanglement verification of noisy NOON states
Phys. Rev. A 96, 012321 (2017).
https://doi.org/10.1103/PhysRevA.96.012321, arXiv:1704.05637J. Sperling, A. Eckstein, W. R. Clements, M. Moore, J. J. Renema, W. S. Kolthammer, S. W. Nam, A. Lita, T. Gerrits, I. A. Walmsley, G. S. Agarwal, and W. Vogel
Identification of nonclassical properties of light with multiplexing layouts
Phys. Rev. A 96, 013804 (2017).
https://doi.org/10.1103/PhysRevA.96.013804, arXiv:1701.07642J. Sperling and I. A. Walmsley
Entanglement in macroscopic systems
Phys. Rev. A 95, 062116 (2017).
https://doi.org/10.1103/PhysRevA.95.062116, arXiv:1611.06028J. Sperling, E. Agudelo, I. A. Walmsley, and W. Vogel
Quantum correlations in composite systems
J. Phys. B: At. Mol. Opt. Phys. 50, 134003 (2017).
https://doi.org/10.1088/1361-6455/aa7438, arXiv:1703.05063F. Krumm, W. Vogel, and J. Sperling
Time-dependent quantum correlations in phase space
Phys. Rev. A 95, 063805 (2017).
https://doi.org/10.1103/PhysRevA.95.063805, arXiv:1702.02550M. Bohmann, R. Kruse, J. Sperling, C. Silberhorn, and W. Vogel
Probing free-space quantum channels with laboratory-based experiments
Phys. Rev. A 95, 063801 (2017).
https://doi.org/10.1103/PhysRevA.95.063801, arXiv:1702.04127S. Ryl, J. Sperling, and W. Vogel
Quantifying nonclassicality by characteristic functions
Phys. Rev. A 95, 053825 (2017).
https://doi.org/10.1103/PhysRevA.95.053825, arXiv:1702.00213J. Sperling, W. R. Clements, A. Eckstein, M. Moore, J. J. Renema, W. S. Kolthammer, S. W. Nam, A. Lita, T. Gerrits, W. Vogel, G. S. Agarwal, and I. A. Walmsley
Detector-Independent Verification of Quantum Light
Phys. Rev. Lett. 118, 163602 (2017).
https://doi.org/10.1103/PhysRevLett.118.163602, arXiv:1701.07640M. Bohmann, R. Kruse, J. Sperling, C. Silberhorn, and W. Vogel
Direct calibration of click-counting detectors
Phys. Rev. A 95, 033806 (2017).
https://doi.org/10.1103/PhysRevA.95.033806, arXiv:1611.04779M. Bohmann, J. Sperling, A. A. Semenov, and W. Vogel
Higher-order nonclassical effects in fluctuating-loss channels
Phys. Rev. A 95, 012324 (2017).
https://doi.org/10.1103/PhysRevA.95.012324, arXiv:1610.09053S. Gerke, J. Sperling, W. Vogel, Y. Cai, J. Roslund, N. Treps, and C. Fabre
Multipartite Entanglement of a Two-Separable State
Phys. Rev. Lett. 117, 110502 (2016).
https://doi.org/10.1103/PhysRevLett.117.110502, arXiv:1603.05802J. Sperling, T. J. Bartley, G. Donati, M. Barbieri, X.-M. Jin, A. Datta, W. Vogel, and I. A. Walmsley
Quantum Correlations from the Conditional Statistics of Incomplete Data
Phys. Rev. Lett. 117, 083601 (2016).
https://doi.org/10.1103/PhysRevLett.117.083601, arXiv:1603.01389M. Bohmann, A. A. Semenov, J. Sperling, and W. Vogel
Gaussian entanglement in the turbulent atmosphere
Phys. Rev. A 94, 010302(R) (2016).
https://doi.org/10.1103/PhysRevA.94.010302, arXiv:1603.02828J. Sperling, W. Vogel, and G. S. Agarwal
Operational definition of quantum correlations of light
Phys. Rev. A 94, 013833 (2016).
https://doi.org/10.1103/PhysRevA.94.013833, arXiv:1605.06975J. Sperling
Characterizing maximally singular phase-space distributions
Phys. Rev. A 94, 013814 (2016).
https://doi.org/10.1103/PhysRevA.94.013814, arXiv:1605.04425F. Krumm, J. Sperling, and W. Vogel
Multitime correlation functions in nonclassical stochastic processes
Phys. Rev. A 93, 063843 (2016).
https://doi.org/10.1103/PhysRevA.93.063843, arXiv:1603.09555D. Bruns, J. Sperling, and S. Scheel
Witnessing random unitary and projective quantum channels: Complementarity between separable and maximally entangled states
Phys. Rev. A 93, 032132 (2016).
https://doi.org/10.1103/PhysRevA.93.032132, arXiv:1601.04817R. Heilmann, J. Sperling, A. Perez-Leija, M. Gräfe, M. Heinrich, S. Nolte, W. Vogel, and A. Szameit
Harnessing click detectors for the genuine characterization of light states
Sci. Rep. 6, 19489 (2016).
https://doi.org/10.1038/srep19489, arXiv:1502.04932T. Lipfert, J. Sperling, and W. Vogel
Homodyne detection with on-off detector systems
Phys. Rev. A 92, 053835 (2015).
https://doi.org/10.1103/PhysRevA.92.053835, arXiv:1508.03142E. Agudelo, J. Sperling, W. Vogel, S. Köhnke, M. Mraz, and B. Hage
Continuous sampling of the squeezed-state nonclassicality
Phys. Rev. A 92, 033837 (2015).
https://doi.org/10.1103/PhysRevA.92.033837, arXiv:1411.6869S. Ryl, J. Sperling, E. Agudelo, M. Mraz, S. Köhnke, B. Hage, and W. Vogel
Unified nonclassicality criteria
Phys. Rev. A 92, 011801(R) (2015).
https://doi.org/10.1103/PhysRevA.92.011801, arXiv:1505.06089J. Sperling, M. Bohmann, W. Vogel, G. Harder, B. Brecht, V. Ansari, and C. Silberhorn
Uncovering Quantum Correlations with Time-Multiplexed Click Detection
Phys. Rev. Lett. 115, 023601 (2015).
https://doi.org/10.1103/PhysRevLett.115.023601, arXiv:1503.08028J. Sperling and W. Vogel
Convex ordering and quantification of quantumness
Phys. Scr. 90, 074024 (2015).
https://doi.org/10.1088/0031-8949/90/7/074024, arXiv:1004.1944M. Bohmann, J. Sperling, and W. Vogel
Entanglement and phase properties of noisy NOON states
Phys. Rev. A 91, 042332 (2015).
https://doi.org/10.1103/PhysRevA.91.042332, arXiv:1412.3321A. Reusch, J. Sperling, and W. Vogel
Entanglement witnesses for indistinguishable particles
Phys. Rev. A 91, 042324 (2015).
https://doi.org/10.1103/PhysRevA.91.042324, arXiv:1501.02595A. Luis, J. Sperling, and W. Vogel
Nonclassicality Phase-Space Functions: More Insight with Fewer Detectors
Phys. Rev. Lett. 114, 103602 (2015).
https://doi.org/10.1103/PhysRevLett.114.103602, arXiv:1412.3826J. Sperling, W. Vogel, and G. S. Agarwal
Balanced homodyne detection with on-off detector systems: Observable nonclassicality criteria
Europhys. Lett. 109, 34001 (2015).
https://doi.org/10.1209/0295-5075/109/34001, arXiv:1410.8012S. Gerke, J. Sperling, W. Vogel, Y. Cai, J. Roslund, N. Treps, and C. Fabre
Full Multipartite Entanglement of Frequency-Comb Gaussian States
Phys. Rev. Lett. 114, 050501 (2015).
https://doi.org/10.1103/PhysRevLett.114.050501, arXiv:1409.5692F. Shahandeh, J. Sperling, and W. Vogel
Structural Quantification of Entanglement
Phys. Rev. Lett. 113, 260502 (2014).
https://doi.org/10.1103/PhysRevLett.113.260502, arXiv:1407.4589A. J. Gutiérrez-Esparza, W. M. Pimenta, B. Marques, A. A. Matoso, J. Sperling, W. Vogel, and S. Pádua
Detection of nonlocal superpositions
Phys. Rev. A 90, 032328 (2014).
https://doi.org/10.1103/PhysRevA.90.032328M. Mraz, J. Sperling, W. Vogel, and B. Hage
Witnessing the degree of nonclassicality of light
Phys. Rev. A 90, 033812 (2014).
https://doi.org/10.1103/PhysRevA.90.033812, arXiv:1406.7094W. Vogel and J. Sperling
Unified quantification of nonclassicality and entanglement
Phys. Rev. A 89, 052302 (2014).
https://doi.org/10.1103/PhysRevA.89.052302, arXiv:1401.5222J. Sperling, W. Vogel, and G. S. Agarwal
Quantum state engineering by click counting
Phys. Rev. A 89, 043829 (2014).
https://doi.org/10.1103/PhysRevA.89.043829, arXiv:1403.1044F. E. S. Steinhoff, M. C. de Oliveira, J. Sperling, and W. Vogel
Bipartite bound entanglement in continuous variables through degaussification
Phys. Rev. A 89, 032313 (2014).
https://doi.org/10.1103/PhysRevA.89.032313, arXiv:1304.1592F. Shahandeh, J. Sperling, and W. Vogel
Operational Gaussian Schmidt-number witnesses
Phys. Rev. A 88, 062323 (2013).
https://doi.org/10.1103/PhysRevA.88.062323, arXiv:1309.6508J. Sperling, W. Vogel, and G. S. Agarwal
Correlation measurements with on-off detectors
Phys. Rev. A 88, 043821 (2013).
https://doi.org/10.1103/PhysRevA.88.043821, arXiv:1309.3058D. Pagel, H. Fehske, J. Sperling, and W. Vogel
Multipartite entangled light from driven microcavities
Phys. Rev. A 88, 042310 (2013).
https://doi.org/10.1103/PhysRevA.88.042310, arXiv:1308.6077J. Sperling and W. Vogel
Multipartite Entanglement Witnesses
Phys. Rev. Lett. 111, 110503 (2013).
https://doi.org/10.1103/PhysRevLett.111.110503, arXiv:1303.6403E. Agudelo, J. Sperling, and W. Vogel
Quasiprobabilities for multipartite quantum correlations of light
Phys. Rev. A 87, 033811 (2013).
https://doi.org/10.1103/PhysRevA.87.033811, arXiv:1211.1585C. Gehrke, J. Sperling, and W. Vogel
Quantification of nonclassicality
Phys. Rev. A 86, 052118 (2012).
https://doi.org/10.1103/PhysRevA.86.052118, arXiv:0904.3390D. Pagel, H. Fehske, J. Sperling, and W. Vogel
Strongly entangled light from planar microcavities
Phys. Rev. A 86, 052313 (2012).
https://doi.org/10.1103/PhysRevA.86.052313, arXiv:1207.4899A. Miranowicz, P. Horodecki, R. W. Chhajlany, J. Tuziemski, and J. Sperling
Analytical progress on symmetric geometric discord: Measurement-based upper bounds
Phys. Rev. A 86, 042123 (2012).
https://doi.org/10.1103/PhysRevA.86.042123, arXiv:1209.2698J. Sperling, W. Vogel, and G. S. Agarwal
Sub-Binomial Light
Phys. Rev. Lett. 109, 093601 (2012).
https://doi.org/10.1103/PhysRevLett.109.093601, arXiv:1205.4669J. Sperling and W. Vogel
Entanglement quasiprobabilities of squeezed light
New J. Phys. 14, 055026 (2012).
https://doi.org/10.1088/1367-2630/14/5/055026, arXiv:1206.0165J. Sperling, W. Vogel, and G. S. Agarwal
True photocounting statistics of multiple on-off detectors
Phys. Rev. A 85, 023820 (2012).
https://doi.org/10.1103/PhysRevA.85.023820, arXiv:1202.5106J. Sperling and W. Vogel
Determination of the Schmidt number
Phys. Rev. A 83, 042315 (2011).
https://doi.org/10.1103/PhysRevA.83.042315, arXiv:1103.1287J. Sperling and W. Vogel
The Schmidt number as a universal entanglement measure
Phys. Scr. 83, 045002 (2011).
https://doi.org/10.1088/0031-8949/83/04/045002, arXiv:0908.3974W. Vogel, T. Kiesel, and J. Sperling
Characterizing nonclassicality and entanglement
Opt. Spectrosc. 108, 197 (2010).
https://doi.org/10.1134/S0030400X10020074J. Sperling and W. Vogel
Verifying continuous-variable entanglement in finite spaces
Phys. Rev. A 79, 052313 (2009).
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