Publikationen - Theoretische Quantensysteme

T. Meier, J.P. Hoepker, M. Protte, C. Eigner, C. Silberhorn, P.R. Sharapova, J. Sperling, T. Bartley, in: Conference on Lasers and Electro-Optics: Applications and Technology, Optica Publishing Group, 2022, p. JTu3A. 17.

DOI

Direct Measurement of Higher-Order Nonlinear Polarization Squeezing

N. Prasannan, J. Sperling, B. Brecht, C. Silberhorn, Physical Review Letters 129 (2022).

DOI

Driven Gaussian quantum walks

P. Held, M. Engelkemeier, S. De, S. Barkhofen, J. Sperling, C. Silberhorn, Physical Review A 105 (2022).

DOI

Quantum optical coherence: From linear to nonlinear interferometers

K.H. Luo, M. Santandrea, M. Stefszky, J. Sperling, M. Massaro, A. Ferreri, P. Sharapova, H. Herrmann, C. Silberhorn, Physical Review A (2021).

DOI

Quantifying Quantum Coherence in Polariton Condensates

C. Lüders, M. Pukrop, E. Rozas, C. Schneider, S. Höfling, J. Sperling, S. Schumacher, M. Aßmann, PRX Quantum (2021).

DOI

Probing the topological Anderson transition with quantum walks

D. Bagrets, K.W. Kim, S. Barkhofen, S. De, J. Sperling, C. Silberhorn, A. Altland, T. Micklitz, Physical Review Research (2021).

DOI

Transient subdiffusion via disordered quantum walks

A. Geraldi, S. De, A. Laneve, S. Barkhofen, J. Sperling, P. Mataloni, C. Silberhorn, Physical Review Research (2021).

DOI

Statistical Benchmarking of Scalable Photonic Quantum Systems

J. Tiedau, M. Engelkemeier, B. Brecht, J. Sperling, C. Silberhorn, Physical Review Letters 126 (2021).

DOI

Experimental entanglement characterization of two-rebit states

N. Prasannan, S. De, S. Barkhofen, B. Brecht, C. Silberhorn, J. Sperling, Physical Review A 103 (2021).

DOI

Quantum Correlations beyond Entanglement and Discord

S. Köhnke, E. Agudelo, M. Schünemann, O. Schlettwein, W. Vogel, J. Sperling, B. Hage, Physical Review Letters (2021).

DOI

Detector-Agnostic Phase-Space Distributions

J. 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, I.A. Walmsley, Physical Review Letters (2020).

DOI

Quantum photonics with active feedback loops

M. Engelkemeier, L. Lorz, S. De, B. Brecht, I. Dhand, M.B. Plenio, C. Silberhorn, J. Sperling, Physical Review A 102 (2020).

DOI

Local Versus Global Two-Photon Interference in Quantum Networks

T. Nitsche, S. De, S. Barkhofen, E. Meyer-Scott, J. Tiedau, J. Sperling, A. Gábris, I. Jex, C. Silberhorn, Physical Review Letters (2020).

DOI

Probing nonclassicality with matrices of phase-space distributions

M. Bohmann, E. Agudelo, J. Sperling, Quantum (2020).

DOI

Classical evolution in quantum systems

J. Sperling, I.A. Walmsley, Physica Scripta (2020).

DOI

Quasiprobability distributions for quantum-optical coherence and beyond

J. Sperling, W. Vogel, Physica Scripta (2019).

DOI

Measuring coherence of quantum measurements

V. Cimini, I. Gianani, M. Sbroscia, J. Sperling, M. Barbieri, Physical Review Research (2019).

DOI

What can single photons do what lasers cannot do?

M. Rezai, J. Sperling, I. Gerhardt, Quantum Science and Technology (2019).

DOI

Benchmarking of Gaussian boson sampling using two-point correlators

D.S. Phillips, M. Walschaers, J.J. Renema, I.A. Walmsley, N. Treps, J. Sperling, Physical Review A (2019).

DOI

Mode-independent quantum entanglement for light

J. Sperling, A. Perez-Leija, K. Busch, C. Silberhorn, Physical Review A (2019).

DOI

Experimental Reconstruction of Entanglement Quasiprobabilities

J. Sperling, E. Meyer-Scott, S. Barkhofen, B. Brecht, C. Silberhorn, Physical Review Letters (2019).

DOI

Quasistates and quasiprobabilities

J. Sperling, I.A. Walmsley, Physical Review A (2018).

DOI

Numerical Construction of Multipartite Entanglement Witnesses

S. Gerke, W. Vogel, J. Sperling, Physical Review X (2018).

DOI

Quasiprobability representation of quantum coherence

J. Sperling, I.A. Walmsley, Physical Review A (2018).

DOI

Geometrical picture of photocounting measurements

O.P. Kovalenko, J. Sperling, W. Vogel, A.A. Semenov, Physical Review A (2018).

DOI

Incomplete Detection of Nonclassical Phase-Space Distributions

M. Bohmann, J. Tiedau, T. Bartley, J. Sperling, C. Silberhorn, W. Vogel, Physical Review Letters (2018).

DOI

Separable and Inseparable Quantum Trajectories

J. Sperling, I.A. Walmsley, Physical Review Letters (2017).

DOI

High intensity click statistics from a 10 × 10 avalanche photodiode array

J. Kröger, T. Ahrens, J. Sperling, W. Vogel, H. Stolz, B. Hage, Journal of Physics B: Atomic, Molecular and Optical Physics (2017).

DOI

Quantum coherences of indistinguishable particles

J. Sperling, A. Perez-Leija, K. Busch, I.A. Walmsley, Physical Review A (2017).

DOI

Conditional Hybrid Nonclassicality

E. Agudelo, J. Sperling, L.S. Costanzo, M. Bellini, A. Zavatta, W. Vogel, Physical Review Letters (2017).

DOI

Displaced photon-number entanglement tests

B. Kühn, W. Vogel, J. Sperling, Physical Review A (2017).

DOI

Entanglement verification of noisy NOON states

M. Bohmann, J. Sperling, W. Vogel, Physical Review A (2017).

DOI

Identification of nonclassical properties of light with multiplexing layouts

J. 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, W. Vogel, Physical Review A (2017).

DOI

Entanglement in macroscopic systems

J. Sperling, I.A. Walmsley, Physical Review A (2017).

DOI

Quantum correlations in composite systems

J. Sperling, E. Agudelo, I.A. Walmsley, W. Vogel, Journal of Physics B: Atomic, Molecular and Optical Physics (2017).

DOI

Time-dependent quantum correlations in phase space

F. Krumm, W. Vogel, J. Sperling, Physical Review A (2017).

DOI

Probing free-space quantum channels with laboratory-based experiments

M. Bohmann, R. Kruse, J. Sperling, C. Silberhorn, W. Vogel, Physical Review A (2017).

DOI

Quantifying nonclassicality by characteristic functions

S. Ryl, J. Sperling, W. Vogel, Physical Review A (2017).

DOI

Detector-Independent Verification of Quantum Light

J. 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, I.A. Walmsley, Physical Review Letters (2017).

DOI

Direct calibration of click-counting detectors

M. Bohmann, R. Kruse, J. Sperling, C. Silberhorn, W. Vogel, Physical Review A (2017).

DOI

Higher-order nonclassical effects in fluctuating-loss channels

M. Bohmann, J. Sperling, A.A. Semenov, W. Vogel, Physical Review A (2017).

DOI

Two-particle four-point correlations in dynamically disordered tight-binding networks

A. Perez-Leija, R. de J. Leon-Montiel, J. Sperling, H. Moya-Cessa, A. Szameit, K. Busch, Journal of Physics B: Atomic, Molecular and Optical Physics (2017).

DOI

Multipartite Entanglement of a Two-Separable State

S. Gerke, J. Sperling, W. Vogel, Y. Cai, J. Roslund, N. Treps, C. Fabre, Physical Review Letters (2016).

DOI

Quantum Correlations from the Conditional Statistics of Incomplete Data

J. Sperling, T. Bartley, G. Donati, M. Barbieri, X.-M. Jin, A. Datta, W. Vogel, I.A. Walmsley, Physical Review Letters (2016).

DOI

Gaussian entanglement in the turbulent atmosphere

M. Bohmann, A.A. Semenov, J. Sperling, W. Vogel, Physical Review A (2016).

DOI

Operational definition of quantum correlations of light

J. Sperling, W. Vogel, G.S. Agarwal, Physical Review A (2016).

DOI

Characterizing maximally singular phase-space distributions

J. Sperling, Physical Review A (2016).

DOI

Multitime correlation functions in nonclassical stochastic processes

F. Krumm, J. Sperling, W. Vogel, Physical Review A (2016).

DOI

Witnessing random unitary and projective quantum channels: Complementarity between separable and maximally entangled states

D. Bruns, J. Sperling, S. Scheel, Physical Review A (2016).

DOI

Harnessing click detectors for the genuine characterization of light states

R. Heilmann, J. Sperling, A. Perez-Leija, M. Gräfe, M. Heinrich, S. Nolte, W. Vogel, A. Szameit, Scientific Reports (2016).

DOI

Homodyne detection with on-off detector systems

T. Lipfert, J. Sperling, W. Vogel, Physical Review A (2015).

DOI

Continuous sampling of the squeezed-state nonclassicality

E. Agudelo, J. Sperling, W. Vogel, S. Köhnke, M. Mraz, B. Hage, Physical Review A (2015).

DOI

Unified nonclassicality criteria

S. Ryl, J. Sperling, E. Agudelo, M. Mraz, S. Köhnke, B. Hage, W. Vogel, Physical Review A (2015).

DOI

Convex ordering and quantification of quantumness

J. Sperling, W. Vogel, Physica Scripta (2015).

DOI

Entanglement and phase properties of noisy NOON states

M. Bohmann, J. Sperling, W. Vogel, Physical Review A (2015).

DOI

Entanglement witnesses for indistinguishable particles

A. Reusch, J. Sperling, W. Vogel, Physical Review A (2015).

DOI

Nonclassicality Phase-Space Functions: More Insight with Fewer Detectors

A. Luis, J. Sperling, W. Vogel, Physical Review Letters (2015).

DOI

Balanced homodyne detection with on-off detector systems: Observable nonclassicality criteria

J. Sperling, W. Vogel, G.S. Agarwal, EPL (Europhysics Letters) (2015).

DOI

Full Multipartite Entanglement of Frequency-Comb Gaussian States

S. Gerke, J. Sperling, W. Vogel, Y. Cai, J. Roslund, N. Treps, C. Fabre, Physical Review Letters (2015).

DOI

Uncovering Quantum Correlations with Time-Multiplexed Click Detection

J. Sperling, M. Bohmann, W. Vogel, G. Harder, B. Brecht, V. Ansari, C. Silberhorn, Physical Review Letters (2015).

DOI

Structural Quantification of Entanglement

F. Shahandeh, J. Sperling, W. Vogel, Physical Review Letters (2014).

DOI

Detection of nonlocal superpositions

A.J. Gutiérrez-Esparza, W.M. Pimenta, B. Marques, A.A. Matoso, J. Sperling, W. Vogel, S. Pádua, Physical Review A (2014).

DOI

Witnessing the degree of nonclassicality of light

M. Mraz, J. Sperling, W. Vogel, B. Hage, Physical Review A (2014).

DOI

Unified quantification of nonclassicality and entanglement

W. Vogel, J. Sperling, Physical Review A (2014).

DOI

Quantum state engineering by click counting

J. Sperling, W. Vogel, G.S. Agarwal, Physical Review A (2014).

DOI

Bipartite bound entanglement in continuous variables through degaussification

F.E.S. Steinhoff, M.C. de Oliveira, J. Sperling, W. Vogel, Physical Review A (2014).

DOI

Operational Gaussian Schmidt-number witnesses

F. Shahandeh, J. Sperling, W. Vogel, Physical Review A (2014).

DOI

Correlation measurements with on-off detectors

J. Sperling, W. Vogel, G.S. Agarwal, Physical Review A (2013).

DOI

Multipartite entangled light from driven microcavities

D. Pagel, H. Fehske, J. Sperling, W. Vogel, Physical Review A (2013).

DOI

Multipartite Entanglement Witnesses

J. Sperling, W. Vogel, Physical Review Letters (2013).

DOI

Quasiprobabilities for multipartite quantum correlations of light

E. Agudelo, J. Sperling, W. Vogel, Physical Review A (2013).

DOI

Quantification of nonclassicality

C. Gehrke, J. Sperling, W. Vogel, Physical Review A (2012).

DOI

Strongly entangled light from planar microcavities

D. Pagel, H. Fehske, J. Sperling, W. Vogel, Physical Review A (2012).

DOI

Analytical progress on symmetric geometric discord: Measurement-based upper bounds

A. Miranowicz, P. Horodecki, R.W. Chhajlany, J. Tuziemski, J. Sperling, Physical Review A (2012).

DOI

Sub-Binomial Light

J. Sperling, W. Vogel, G.S. Agarwal, Physical Review Letters (2012).

DOI

Entanglement quasiprobabilities of squeezed light

J. Sperling, W. Vogel, New Journal of Physics (2012).

DOI

True photocounting statistics of multiple on-off detectors

J. Sperling, W. Vogel, G.S. Agarwal, Physical Review A (2012).

DOI

Determination of the Schmidt number

J. Sperling, W. Vogel, Physical Review A (2011).

DOI

The Schmidt number as a universal entanglement measure

J. Sperling, W. Vogel, Physica Scripta (2011).

DOI

Characterizing nonclassicality and entanglement

W. Vogel, T. Kiesel, J. Sperling, Optics and Spectroscopy (2010) 197–205.

DOI

Verifying continuous-variable entanglement in finite spaces

J. Sperling, W. Vogel, Physical Review A (2009).

DOI

Representation of entanglement by negative quasiprobabilities

J. Sperling, W. Vogel, Physical Review A (2009).

DOI

Necessary and sufficient conditions for bipartite entanglement

J. Sperling, W. Vogel, Physical Review A (2009).

DOI