Decomposing large unitaries into multimode devices of arbitrary size
C. Arends, L.L. Wolf, J. Meinecke, S. Barkhofen, T. Weich, T. Bartley, Physical Review Research 6 (2024).
LibreCat: /record/52876
DOI: 10.1103/physrevresearch.6.l012043

Realization of high-fidelity unitary operations on up to 64 frequency bins
S. De, V. Ansari, J. Sperling, S. Barkhofen, B. Brecht, C. Silberhorn, Physical Review Research 6 (2024).
LibreCat: /record/54288
DOI: 10.1103/physrevresearch.6.l022040

Verschränkung wie am Fließband
S. Barkhofen, B. Brecht, C. Silberhorn, Physik in unserer Zeit 54 (2023) 10–11.
LibreCat: /record/38541
DOI: https://doi.org/10.1002/piuz.202370107

Dynamic conditioning of two particle discrete-time quantum walks
F. Pegoraro, P. Held, S. Barkhofen, B. Brecht, C. Silberhorn, Physica Scripta 98 (2023).
LibreCat: /record/42648
DOI: 10.1088/1402-4896/acbcaa

Meromorphic Continuation of Weighted Zeta Functions on Open Hyperbolic Systems
P. Schütte, T. Weich, S. Barkhofen, Communications in Mathematical Physics 398 (2023) 655–678.
LibreCat: /record/31059
DOI: ttps://doi.org/10.1007/s00220-022-04538-z
arXiv: 2112.05791

Scalable Generation of Multiphoton Entangled States by Active Feed-Forward and Multiplexing
E. Meyer-Scott, N. Prasannan, I. Dhand, C. Eigner, V. Quiring, S. Barkhofen, B. Brecht, M.B. Plenio, C. Silberhorn, Physical Review Letters 129 (2022).
LibreCat: /record/39025
DOI: 10.1103/physrevlett.129.150501

Scalable Generation of Multiphoton Entangled States by Active Feed-Forward and Multiplexing
E. Meyer-Scott, N. Prasannan, I. Dhand, C. Eigner, V. Quiring, S. Barkhofen, B. Brecht, M.B. Plenio, C. Silberhorn, Physical Review Letters 129 (2022).
LibreCat: /record/40273
DOI: 10.1103/physrevlett.129.150501

Quantum-state creation in nonlinear-waveguide arrays
C.S. Hamilton, R. Christ, S. Barkhofen, S.M. Barnett, I. Jex, C. Silberhorn, Physical Review A 105 (2022).
LibreCat: /record/33450
DOI: 10.1103/physreva.105.042622

Driven Gaussian quantum walks
P. Held, M. Engelkemeier, S. De, S. Barkhofen, J. Sperling, C. Silberhorn, Physical Review A 105 (2022).
LibreCat: /record/30921
DOI: 10.1103/physreva.105.042210

Semiclassical formulae For Wigner distributions
S. Barkhofen, P. Schütte, T. Weich, Journal of Physics A: Mathematical and Theoretical 55 (2022).
LibreCat: /record/31057
DOI: 10.1088/1751-8121/ac6d2b
arXiv: 2201.04892

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).
LibreCat: /record/26284
DOI: 10.1103/physrevresearch.3.023183

Transient subdiffusion via disordered quantum walks
A. Geraldi, S. De, A. Laneve, S. Barkhofen, J. Sperling, P. Mataloni, C. Silberhorn, Physical Review Research (2021).
LibreCat: /record/26287
DOI: 10.1103/physrevresearch.3.023052

Experimental entanglement characterization of two-rebit states
N. Prasannan, S. De, S. Barkhofen, B. Brecht, C. Silberhorn, J. Sperling, Physical Review A 103 (2021).
LibreCat: /record/26286
DOI: 10.1103/physreva.103.l040402

Experimental control of the degree of non-classicality via quantum coherence
A. Smirne, T. Nitsche, D. Egloff, S. Barkhofen, S. De, I. Dhand, C. Silberhorn, S.F. Huelga, M.B. Plenio, Quantum Science and Technology (2020).
LibreCat: /record/26507
DOI: 10.1088/2058-9565/aba039

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).
LibreCat: /record/26289
DOI: 10.1103/physrevlett.125.213604

Photonic quantum walks with four-dimensional coins
L. Lorz, E. Meyer-Scott, T. Nitsche, V. Potodek, A. Gábris, S. Barkhofen, I. Jex, C. Silberhorn, Physical Review Research (2019).
LibreCat: /record/26500
DOI: 10.1103/physrevresearch.1.033036

Detailed study of Gaussian boson sampling
R. Kruse, C.S. Hamilton, L. Sansoni, S. Barkhofen, C. Silberhorn, I. Jex, Physical Review A (2019).
LibreCat: /record/26501
DOI: 10.1103/physreva.100.032326

Eigenvalue measurement of topologically protected edge states in split-step quantum walks
T. Nitsche, T. Geib, C. Stahl, L. Lorz, C. Cedzich, S. Barkhofen, R.F. Werner, C. Silberhorn, New Journal of Physics (2019).
LibreCat: /record/26508
DOI: 10.1088/1367-2630/ab12fa

A high dynamic range optical detector for measuring single photons and bright light
J. Tiedau, E. Meyer-Scott, T. Nitsche, S. Barkhofen, T.J. Bartley, C. Silberhorn, Optics Express (2019).
LibreCat: /record/26509
DOI: 10.1364/oe.27.000001

Engineering integrated photon pair sources and multiplexed detectors (Conference Presentation)
E. Meyer-Scott, N. Prasannan, N. Montaut, J. Tiedau, C. Eigner, G. Harder, L. Sansoni, T. Nitsche, H. Herrmann, R. Ricken, V. Quiring, T. Bartley, S. Barkhofen, C. Silberhorn, in: Z.U. Hasan, P.R. Hemmer, A.L. Migdall (Eds.), Advances in Photonics of Quantum Computing, Memory, and Communication XII, 2019.
LibreCat: /record/9635
DOI: 10.1117/12.2513753

Experimental Reconstruction of Entanglement Quasiprobabilities
J. Sperling, E. Meyer-Scott, S. Barkhofen, B. Brecht, C. Silberhorn, Physical Review Letters (2019).
LibreCat: /record/26300
DOI: 10.1103/physrevlett.122.053602

Supersymmetric Polarization Anomaly in Photonic Discrete-Time Quantum Walks
S. Barkhofen, L. Lorz, T. Nitsche, C. Silberhorn, H. Schomerus, Physical Review Letters (2018).
LibreCat: /record/26490
DOI: 10.1103/physrevlett.121.260501

Proposal for Quantum Simulation via All-Optically-Generated Tensor Network States
I. Dhand, M. Engelkemeier, L. Sansoni, S. Barkhofen, C. Silberhorn, M.B. Plenio, Physical Review Letters (2018).
LibreCat: /record/26498
DOI: 10.1103/physrevlett.120.130501

Probing measurement-induced effects in quantum walks via recurrence
T. Nitsche, S. Barkhofen, R. Kruse, L. Sansoni, M. Stefaák, A. Gábris, V. Potodek, T. Kiss, I. Jex, C. Silberhorn, Science Advances (2018).
LibreCat: /record/26517
DOI: 10.1126/sciadv.aar6444

Engineering integrated sources of entangled photon pairs
E. Meyer-Scott, N. Prasannan, N. Montaut, J. Tiedau, G. Harder, L. Sansoni, H. Herrmann, C. Eigner, R. Ricken, V. Quiring, T. Bartley, S. Barkhofen, C. Silberhorn, in: Frontiers in Optics / Laser Science, 2018.
LibreCat: /record/9677
DOI: 10.1364/ls.2018.lm3b.1

High-performance source of spectrally pure, polarization entangled photon pairs based on hybrid integrated-bulk optics
E. Meyer-Scott, N. Prasannan, C. Eigner, V. Quiring, J.M. Donohue, S. Barkhofen, C. Silberhorn, Optics Express (2018).
LibreCat: /record/9638
DOI: 10.1364/oe.26.032475

Gaussian Boson Sampling
C.S. Hamilton, R. Kruse, L. Sansoni, S. Barkhofen, C. Silberhorn, I. Jex, Physical Review Letters (2017).
LibreCat: /record/26496
DOI: 10.1103/physrevlett.119.170501

Measuring topological invariants in disordered discrete-time quantum walks
S. Barkhofen, T. Nitsche, F. Elster, L. Lorz, A. Gábris, I. Jex, C. Silberhorn, Physical Review A (2017).
LibreCat: /record/26502
DOI: 10.1103/physreva.96.033846

Limits of the time-multiplexed photon-counting method
R. Kruse, J. Tiedau, T. Bartley, S. Barkhofen, C. Silberhorn, Physical Review A (2017).
LibreCat: /record/9832
DOI: 10.1103/physreva.95.023815

Driven Boson Sampling
S. Barkhofen, T. Bartley, L. Sansoni, R. Kruse, C.S. Hamilton, I. Jex, C. Silberhorn, Physical Review Letters (2017).
LibreCat: /record/9833
DOI: 10.1103/physrevlett.118.020502

Driven discrete time quantum walks
C.S. Hamilton, S. Barkhofen, L. Sansoni, I. Jex, C. Silberhorn, New Journal of Physics (2016).
LibreCat: /record/26510
DOI: 10.1088/1367-2630/18/7/073008

Quantum walks with dynamical control: graph engineering, initial state preparation and state transfer
T. Nitsche, F. Elster, J. Novotný, A. Gábris, I. Jex, S. Barkhofen, C. Silberhorn, New Journal of Physics (2016).
LibreCat: /record/26519
DOI: 10.1088/1367-2630/18/6/063017

Microwave Experiments Simulating Quantum Search and Directed Transport in Artificial Graphene
J. Böhm, M. Bellec, F. Mortessagne, U. Kuhl, S. Barkhofen, S. Gehler, H.-J. Stöckmann, I. Foulger, S. Gnutzmann, G. Tanner, Physical Review Letters (2015).
LibreCat: /record/26493
DOI: 10.1103/physrevlett.114.110501

Compounding approach for univariate time series with nonstationary variances
R. Schäfer, S. Barkhofen, T. Guhr, H.-J. Stöckmann, U. Kuhl, Physical Review E (2015).
LibreCat: /record/26495
DOI: 10.1103/physreve.92.062901

Quantum walk coherences on a dynamical percolation graph
F. Elster, S. Barkhofen, T. Nitsche, J. Novotný, A. Gábris, I. Jex, C. Silberhorn, Scientific Reports (2015).
LibreCat: /record/26520
DOI: 10.1038/srep13495

Resonance chains in open systems, generalized zeta functions and clustering of the length spectrum
S. Barkhofen, F. Faure, T. Weich, Nonlinearity (2014) 1829–1858.
LibreCat: /record/26511
DOI: 10.1088/0951-7715/27/8/1829

Formation and interaction of resonance chains in the open three-disk system
T. Weich, S. Barkhofen, U. Kuhl, C. Poli, H. Schomerus, New Journal of Physics (2014).
LibreCat: /record/26512
DOI: 10.1088/1367-2630/16/3/033029

Spectral properties of microwave graphs with local absorption
M. Allgaier, S. Gehler, S. Barkhofen, H.-J. Stöckmann, U. Kuhl, Physical Review E (2014).
LibreCat: /record/26513
DOI: 10.1103/physreve.89.022925

Resonance chains in open systems, generalized zeta functions and clustering of the length spectrum
S. Barkhofen, F. Faure, T. Weich, Nonlinearity 27 (2014) 1829–1858.
LibreCat: /record/31296
DOI: 10.1088/0951-7715/27/8/1829
arXiv: 1403.7771 

Formation and interaction of resonance chains in the open three-disk system
T. Weich, S. Barkhofen, U. Kuhl, C. Poli, H. Schomerus, New Journal of Physics 16 (2014).
LibreCat: /record/31297
DOI: 10.1088/1367-2630/16/3/033029
arXiv: 1311.5128 

Disordered graphene and boron nitride in a microwave tight-binding analog
S. Barkhofen, M. Bellec, U. Kuhl, F. Mortessagne, Physical Review B (2013).
LibreCat: /record/26497
DOI: 10.1103/physrevb.87.035101

Experimental Observation of the Spectral Gap in Microwave n-Disk Systems
S. Barkhofen, T. Weich, A. Potzuweit, H.-J. Stöckmann, U. Kuhl, M. Zworski, Physical Review Letters (2013).
LibreCat: /record/26504
DOI: 10.1103/physrevlett.110.164102

First Experimental Realization of the Dirac Oscillator
J.A. Franco-Villafañe, E. Sadurní, S. Barkhofen, U. Kuhl, F. Mortessagne, T.H. Seligman, Physical Review Letters (2013).
LibreCat: /record/26505
DOI: 10.1103/physrevlett.111.170405

Experimental Observation of a Fundamental Length Scale of Waves in Random Media
S. Barkhofen, J.J. Metzger, R. Fleischmann, U. Kuhl, H.-J. Stöckmann, Physical Review Letters (2013).
LibreCat: /record/26506
DOI: 10.1103/physrevlett.111.183902

Microwave Measurements on n-Disk Systems and Investigation of Branching in correlated Potentials and turbulent Flows
S. Barkhofen, Microwave Measurements on N-Disk Systems and Investigation of Branching in Correlated Potentials and Turbulent Flows, Philipps-Universität Marburg, Marburg, 2013.
LibreCat: /record/26522
DOI: 10.17192/Z2013.0457

Experimental Observation of the Spectral Gap in Microwave n-Disk Systems
S. Barkhofen, T. Weich, A. Potzuweit, H.-J. Stöckmann, U. Kuhl, M. Zworski, Physical Review Letters 110 (2013).
LibreCat: /record/31298
DOI: 10.1103/physrevlett.110.164102
arXiv: 1212.5897 

Weyl asymptotics: From closed to open systems
A. Potzuweit, T. Weich, S. Barkhofen, U. Kuhl, H.-J. Stöckmann, M. Zworski, Physical Review E (2012).
LibreCat: /record/26514
DOI: 10.1103/physreve.86.066205

Weyl asymptotics: From closed to open systems
A. Potzuweit, T. Weich, S. Barkhofen, U. Kuhl, H.-J. Stöckmann, M. Zworski, Physical Review E 86 (2012).
LibreCat: /record/31300
DOI: 10.1103/physreve.86.066205
arXiv: 1209.2304

Dirac point and edge states in a microwave realization of tight-binding graphene-like structures
U. Kuhl, S. Barkhofen, T. Tudorovskiy, H.-J. Stöckmann, T. Hossain, L. de Forges de Parny, F. Mortessagne, Physical Review B (2010).
LibreCat: /record/26499
DOI: 10.1103/physrevb.82.094308