Stefan Schumacher
Department Physik
Theorie funktionaler photonischer Strukturen
Center for Optoelectronics and Photonics (CeOPP)
Sonderforschungsbereich Transregio 142
Paderborn Center for Parallel Computing (PC2)
Institut für Photonische Quantensysteme (PhoQS)
Theoretische Physik
stefan.schumacher@uni-paderborn.deID
96 Publications
2024 | Journal Article | LibreCat-ID: 50829
N. Heinisch, N. Köcher, D. Bauch, and S. Schumacher, “Swing-up dynamics in quantum emitter cavity systems: Near ideal single photons and entangled photon pairs,” Physical Review Research, vol. 6, no. 1, Art. no. L012017, 2024, doi: 10.1103/PhysRevResearch.6.L012017.
LibreCat
| DOI
2024 | Journal Article | LibreCat-ID: 51105
J. Wingenbach, S. Schumacher, and X. Ma, “Manipulating spectral topology and exceptional points by nonlinearity in non-Hermitian polariton systems,” Physical Review Research, in press, 2024.
LibreCat
2024 | Journal Article | LibreCat-ID: 51221
C.-D. Dong, F. Bauch, Y. Hu, and S. Schumacher, “Charge transfer in superbase n-type doping of PCBM induced by deprotonation,” Physical Chemistry Chemical Physics, vol. 26, no. 5, pp. 4194–4199, 2024, doi: 10.1039/d3cp05105f.
LibreCat
| DOI
2024 | Journal Article | LibreCat-ID: 52534
F. Bauch, C.-D. Dong, and S. Schumacher, “Dynamics of Electron–Hole Coulomb Attractive Energy and Dipole Moment of Hot Excitons in Donor–Acceptor Polymers,” The Journal of Physical Chemistry C, vol. 128, no. 8, pp. 3525–3532, 2024, doi: 10.1021/acs.jpcc.3c07513.
LibreCat
| DOI
2024 | Journal Article | LibreCat-ID: 51106
T. Schneider, W. Gao, T. Zentgraf, S. Schumacher, and X. Ma, “Topological edge and corner states in coupled wave lattices in nonlinear polariton condensates,” Nanophotonics, vol. 13, no. 4, pp. 509–518, 2024, doi: 10.1515/nanoph-2023-0556.
LibreCat
| DOI
2023 | Journal Article | LibreCat-ID: 48599 |

D. Bauch, D. Siebert, K. Jöns, J. Förstner, and S. Schumacher, “On‐Demand Indistinguishable and Entangled Photons Using Tailored Cavity Designs,” Advanced Quantum Technologies, 2023, doi: 10.1002/qute.202300142.
LibreCat
| Files available
| DOI
| Download (ext.)
2023 | Preprint | LibreCat-ID: 43246 |

D. Bauch, D. Siebert, K. Jöns, J. Förstner, and S. Schumacher, “On-demand indistinguishable and entangled photons at telecom frequencies using tailored cavity designs.” 2023.
LibreCat
| Files available
| Download (ext.)
2023 | Journal Article | LibreCat-ID: 51093
F. Bauch, C.-D. Dong, and S. Schumacher, “Dynamics-induced charge transfer in semiconducting conjugated polymers,” Journal of Materials Chemistry C, vol. 11, no. 38, pp. 12992–12998, 2023, doi: 10.1039/d3tc02263c.
LibreCat
| DOI
2023 | Journal Article | LibreCat-ID: 36416
J. De et al., “Room-Temperature Electrical Field-Enhanced Ultrafast Switch in Organic Microcavity Polariton Condensates,” Journal of the American Chemical Society (JACS), vol. 145, no. 3, pp. 1557–1563, 2023, doi: 10.1021/jacs.2c07557.
LibreCat
| DOI
2023 | Journal Article | LibreCat-ID: 35160
J. Jia et al., “Circularly polarized electroluminescence from a single-crystal organic microcavity light-emitting diode based on photonic spin-orbit interactions,” Nature Communications, vol. 14, no. 1, Art. no. 31, 2023, doi: 10.1038/s41467-022-35745-w.
LibreCat
| DOI
2023 | Journal Article | LibreCat-ID: 42973
C. Lüders et al., “Tracking Quantum Coherence in Polariton Condensates with Time-Resolved Tomography,” Physical Review Letters, vol. 130, no. 11, Art. no. 113601, 2023, doi: 10.1103/physrevlett.130.113601.
LibreCat
| DOI
2023 | Journal Article | LibreCat-ID: 40274
X. Zhai et al., “Electrically controlling vortices in a neutral exciton polariton condensate at room temperature,” Physical Review Letters, vol. 131, no. 13, p. 136901, 2023, doi: 10.1103/PhysRevLett.131.136901.
LibreCat
| DOI
2022 | Journal Article | LibreCat-ID: 51092
F. Bauch, C.-D. Dong, and S. Schumacher, “Protonation-induced charge transfer and polaron formation in organic semiconductors doped by Lewis acids,” RSC Advances, vol. 12, no. 22, pp. 13999–14006, 2022, doi: 10.1039/d2ra02032g.
LibreCat
| DOI
2022 | Journal Article | LibreCat-ID: 40523
B. Jonas et al., “Nonlinear down-conversion in a single quantum dot,” Nature Communications, vol. 13, no. 1, Art. no. 1387, 2022, doi: 10.1038/s41467-022-28993-3.
LibreCat
| DOI
2022 | Journal Article | LibreCat-ID: 33080
T. Long et al., “Helical Polariton Lasing from Topological Valleys in an Organic Crystalline Microcavity,” Advanced Science, vol. 9, no. 29, Art. no. 2203588, 2022, doi: 10.1002/advs.202203588.
LibreCat
| DOI
2022 | Journal Article | LibreCat-ID: 32310
Y. Li et al., “Manipulating polariton condensates by Rashba-Dresselhaus coupling at room temperature,” Nature Communications, vol. 13, no. 1, Art. no. 3785, 2022, doi: 10.1038/s41467-022-31529-4.
LibreCat
| DOI
2022 | Journal Article | LibreCat-ID: 40431
T. Praschan, D. Heinze, D. Breddermann, A. Zrenner, A. Walther, and S. Schumacher, “Pulse shaping for on-demand emission of single Raman photons from a quantum-dot biexciton,” Physical Review B, vol. 105, no. 4, Art. no. 045302, 2022, doi: 10.1103/physrevb.105.045302.
LibreCat
| DOI
2022 | Journal Article | LibreCat-ID: 32148
X. Gao, W. Hu, S. Schumacher, and X. Ma, “Unidirectional vortex waveguides and multistable vortex pairs in polariton condensates,” Optics Letters, vol. 47, no. 13, pp. 3235–3238, 2022, doi: 10.1364/ol.457724.
LibreCat
| DOI
2022 | Journal Article | LibreCat-ID: 31937
Y. Li, X. Ma, Z. Hatzopoulos, P. G. Savvidis, S. Schumacher, and T. Gao, “Switching Off a Microcavity Polariton Condensate near the Exceptional Point,” ACS Photonics, vol. 9, no. 6, pp. 2079–2086, 2022, doi: 10.1021/acsphotonics.2c00288.
LibreCat
| DOI
2022 | Journal Article | LibreCat-ID: 40423
F. Bauch, C.-D. Dong, and S. Schumacher, “Protonation-induced charge transfer and polaron formation in organic semiconductors doped by Lewis acids,” RSC Advances, vol. 12, no. 22, pp. 13999–14006, 2022, doi: 10.1039/d2ra02032g.
LibreCat
| DOI
2022 | Journal Article | LibreCat-ID: 34094
Y. Gao et al., “Tilting nondispersive bands in an empty microcavity,” Applied Physics Letters, vol. 121, no. 20, Art. no. 201103, 2022, doi: 10.1063/5.0093908.
LibreCat
| DOI
2022 | Journal Article | LibreCat-ID: 40425
T. Bathe, C.-D. Dong, and S. Schumacher, “Microscopic Study of Molecular Double Doping,” The Journal of Physical Chemistry A, vol. 126, no. 13, pp. 2075–2081, 2022, doi: 10.1021/acs.jpca.1c09179.
LibreCat
| DOI
2021 | Journal Article | LibreCat-ID: 21360
S. M. H. Luk et al., “All-Optical Beam Steering Using the Polariton Lighthouse Effect,” ACS Photonics, pp. 449–454, 2021, doi: 10.1021/acsphotonics.0c01962.
LibreCat
| DOI
2021 | Journal Article | LibreCat-ID: 40433
C.-D. Dong and S. Schumacher, “Microscopic Insights into Charge Formation and Energetics in n-Doped Organic Semiconductors,” The Journal of Physical Chemistry C, vol. 125, no. 40, pp. 21824–21830, 2021, doi: 10.1021/acs.jpcc.1c05666.
LibreCat
| DOI
2021 | Journal Article | LibreCat-ID: 26283
C. Lüders et al., “Quantifying Quantum Coherence in Polariton Condensates,” PRX Quantum, 2021, doi: 10.1103/prxquantum.2.030320.
LibreCat
| DOI
2021 | Journal Article | LibreCat-ID: 21362
Y. Xue et al., “Split-ring polariton condensates as macroscopic two-level quantum systems,” Physical Review Research, vol. 3, no. 1, Art. no. 013099, 2021, doi: 10.1103/physrevresearch.3.013099.
LibreCat
| DOI
2021 | Journal Article | LibreCat-ID: 23816 |

D. Bauch, D. F. Heinze, J. Förstner, K. Jöns, and S. Schumacher, “Ultrafast electric control of cavity mediated single-photon and photon-pair generation with semiconductor quantum dots,” Physical Review B, vol. 104, p. 085308, 2021, doi: 10.1103/physrevb.104.085308.
LibreCat
| Files available
| DOI
2021 | Journal Article | LibreCat-ID: 39653
C. Wiebeler, J. Vollbrecht, A. Neuba, H.-S. Kitzerow, and S. Schumacher, “Unraveling the electrochemical and spectroscopic properties of neutral and negatively charged perylene tetraethylesters,” Scientific Reports, vol. 11, no. 1, Art. no. 16097, 2021, doi: 10.1038/s41598-021-95551-0.
LibreCat
| DOI
2021 | Journal Article | LibreCat-ID: 40434
P. Klement et al., “Atomically Thin Sheets of Lead‐Free 1D Hybrid Perovskites Feature Tunable White‐Light Emission from Self‐Trapped Excitons,” Advanced Materials, vol. 33, no. 23, Art. no. 2100518, 2021, doi: 10.1002/adma.202100518.
LibreCat
| DOI
2021 | Journal Article | LibreCat-ID: 21359
F. Barkhausen, M. Pukrop, S. Schumacher, and X. Ma, “Structuring coflowing and counterflowing currents of polariton condensates in concentric ring-shaped and elliptical potentials,” Physical Review B, vol. 103, no. 7, Art. no. 075305, 2021, doi: 10.1103/physrevb.103.075305.
LibreCat
| DOI
2020 | Journal Article | LibreCat-ID: 40435
C.-D. Dong and S. Schumacher, “Molecular doping in few-molecule polymer-dopant complexes shows reduced Coulomb binding,” Journal of Materials Chemistry C, vol. 8, no. 34, pp. 11929–11935, 2020, doi: 10.1039/d0tc02185g.
LibreCat
| DOI
2020 | Journal Article | LibreCat-ID: 20584
J. Ren et al., “Efficient Bosonic Condensation of Exciton Polaritons in an H-Aggregate Organic Single-Crystal Microcavity.,” Nano Letters, vol. 20, no. 10, pp. 7550–7557, 2020, doi: 10.1021/acs.nanolett.0c03009.
LibreCat
| DOI
| PubMed | Europe PMC
2020 | Journal Article | LibreCat-ID: 20582
B. Berger et al., “Formation dynamics of exciton-polariton vortices created by nonresonant annular pumping,” Physical Review B, vol. 101, no. 24, p. 245309, 2020, doi: 10.1103/PhysRevB.101.245309.
LibreCat
| DOI
2020 | Journal Article | LibreCat-ID: 20585
X. Ma, Y. Kartashov, A. Ferrando, and S. Schumacher, “Topological edge states of nonequilibrium polaritons in hollow honeycomb arrays.,” Optics Letters, vol. 45, no. 19, pp. 5311–5314, 2020, doi: 10.1364/ol.405844.
LibreCat
| DOI
| PubMed | Europe PMC
2020 | Journal Article | LibreCat-ID: 20581
M. Pukrop, S. Schumacher, and X. Ma, “Circular polarization reversal of half-vortex cores in polariton condensates,” Physical Review B, vol. 101, no. 20, p. 205301, 2020, doi: 10.1103/PhysRevB.101.205301.
LibreCat
| DOI
2020 | Journal Article | LibreCat-ID: 20583
X. Ma, Y. V. Kartashov, T. Gao, L. Torner, and S. Schumacher, “Spiraling vortices in exciton-polariton condensates,” Physical Review B, vol. 102, no. 4, p. 045309, 2020, doi: 10.1103/PhysRevB.102.045309.
LibreCat
| DOI
2020 | Journal Article | LibreCat-ID: 20587
F. Barkhausen, S. Schumacher, and X. Ma, “Multistable circular currents of polariton condensates trapped in ring potentials.,” Optics Letters, vol. 45, no. 5, pp. 1192–1195, 2020, doi: 10.1364/ol.386250.
LibreCat
| DOI
| PubMed | Europe PMC
2020 | Journal Article | LibreCat-ID: 40443
M. Pukrop and S. Schumacher, “Externally controlled Lotka-Volterra dynamics in a linearly polarized polariton fluid,” Physical Review E, vol. 101, no. 1, Art. no. 012207, 2020, doi: 10.1103/physreve.101.012207.
LibreCat
| DOI
2020 | Journal Article | LibreCat-ID: 40438
M. Carcamo, S. Schumacher, and R. Binder, “Transfer function replacement of phenomenological single-mode equations in semiconductor microcavity modeling,” Applied Optics, vol. 59, no. 22, Art. no. G112, 2020, doi: 10.1364/ao.392014.
LibreCat
| DOI
2020 | Journal Article | LibreCat-ID: 20586
X. Ma, Y. Kartashov, A. Kavokin, and S. Schumacher, “Chiral condensates in a polariton hexagonal ring.,” Optics Letters, vol. 45, no. 20, pp. 5700–5703, 2020, doi: 10.1364/ol.405400.
LibreCat
| DOI
| PubMed | Europe PMC
2020 | Journal Article | LibreCat-ID: 43747 |

T. Meier et al., “Realization of all-optical vortex switching in exciton-polariton condensates,” Nature communications, vol. 11, no. 1, p. 897, 2020, doi: 10.1038/s41467-020-14702-5.
LibreCat
| DOI
| Download (ext.)
2020 | Journal Article | LibreCat-ID: 20580
X. Ma et al., “Realization of all-optical vortex switching in exciton-polariton condensates,” Nature Communications, vol. 11, no. 1, p. 897, 2020, doi: 10.1038/s41467-020-14702-5.
LibreCat
| DOI
| PubMed | Europe PMC
2019 | Journal Article | LibreCat-ID: 13343
J. Vollbrecht, C. Wiebeler, H. Bock, S. Schumacher, and H.-S. Kitzerow, “Curved Polar Dibenzocoronene Esters and Imides versus Their Planar Centrosymmetric Homologs: Photophysical and Optoelectronic Analysis,” The Journal of Physical Chemistry C, vol. 123, no. 7, pp. 4483–4492, 2019, doi: 10.1021/acs.jpcc.8b10730.
LibreCat
| DOI
2019 | Preprint | LibreCat-ID: 13340
M. Pukrop and S. Schumacher, “Externally Controlled Lotka-Volterra Dynamics in a Linearly Polarized Polariton Fluid,” arXiv:1903.12534. 2019.
LibreCat
2019 | Preprint | LibreCat-ID: 13347
C.-D. Dong and S. Schumacher, “Molecular Doping of PCPDT-BT Copolymers: Comparison of Molecular Complexes with and Without Integer Charge Transfer.” 2019.
LibreCat
2019 | Journal Article | LibreCat-ID: 15851
X. Ma, Y. Y. Kartashov, T. Gao, and S. Schumacher, “Controllable high-speed polariton waves in a PT-symmetric lattice,” New Journal of Physics, vol. 21, Art. no. 123008, 2019, doi: 10.1088/1367-2630/ab5a9b.
LibreCat
| DOI
2019 | Journal Article | LibreCat-ID: 20578
R. Driben, X. Ma, S. Schumacher, and T. Meier, “Bloch oscillations of multidimensional dark soliton wave packets and light bullets,” Optics Letters, vol. 44, no. 6, pp. 1327–1330, 2019, doi: 10.1364/ol.44.001327.
LibreCat
| DOI
| PubMed | Europe PMC
2018 | Journal Article | LibreCat-ID: 20576
X. Ma and S. Schumacher, “Vortex Multistability and Bessel Vortices in Polariton Condensates.,” Physical Review Letters, vol. 121, no. 22, Art. no. 227404, 2018, doi: 10.1103/physrevlett.121.227404.
LibreCat
| DOI
| PubMed | Europe PMC
2018 | Journal Article | LibreCat-ID: 13348
S. M. H. Luk et al., “Theory of optically controlled anisotropic polariton transport in semiconductor double microcavities,” Journal of the Optical Society of America B, vol. 35, no. 1, Art. no. 146, 2018, doi: 10.1364/josab.35.000146.
LibreCat
| DOI
2018 | Journal Article | LibreCat-ID: 13351
D. Breddermann, T. Praschan, D. F. Heinze, R. Binder, and S. Schumacher, “Microscopic theory of cavity-enhanced single-photon emission from optical two-photon Raman processes,” Physical Review B, vol. 97, no. 12, 2018, doi: 10.1103/physrevb.97.125303.
LibreCat
| DOI
2017 | Journal Article | LibreCat-ID: 13359
X. Ma, O. A. Egorov, and S. Schumacher, “Creation and Manipulation of Stable Dark Solitons and Vortices in Microcavity Polariton Condensates,” Physical Review Letters, vol. 118, no. 15, Art. no. 157401, 2017, doi: 10.1103/physrevlett.118.157401.
LibreCat
| DOI
2017 | Journal Article | LibreCat-ID: 13356
X. Ma and S. Schumacher, “Vortex-vortex control in exciton-polariton condensates,” Physical Review B, vol. 95, no. 23, Art. no. 235301, 2017, doi: 10.1103/physrevb.95.235301.
LibreCat
| DOI
2017 | Journal Article | LibreCat-ID: 13358
J. Vollbrecht, C. Wiebeler, S. Schumacher, H. Bock, and H.-S. Kitzerow, “Enhanced columnar mesophase range through distortions in arene cores,” Molecular Crystals and Liquid Crystals, pp. 66–73, 2017, doi: 10.1080/15421406.2017.1284387.
LibreCat
| DOI
2016 | Journal Article | LibreCat-ID: 15856
J. Vollbrecht, C. Wiebeler, A. Neuba, H. Bock, S. Schumacher, and H.-S. Kitzerow, “Bay-Extended, Distorted Perylene Esters Showing Visible Luminescence after Ultraviolet Excitation: Photophysical and Electrochemical Analysis,” The Journal of Physical Chemistry C, pp. 7839–7848, 2016, doi: 10.1021/acs.jpcc.6b00954.
LibreCat
| DOI
2016 | Journal Article | LibreCat-ID: 13910
X. Ma, R. Driben, B. A. Malomed, T. Meier, and S. Schumacher, “Two-dimensional symbiotic solitons and vortices in binary condensates with attractive cross-species interaction,” Scientific Reports, vol. 6, Art. no. 34847, 2016, doi: 10.1038/srep34847.
LibreCat
| DOI
2015 | Journal Article | LibreCat-ID: 13922
H. Liu, D. F. Heinze, H. Thanh Duc, S. Schumacher, and T. Meier, “Curvature effects in the band structure of carbon nanotubes including spin–orbit coupling,” Journal of Physics: Condensed Matter, vol. 27, no. 44, Art. no. 445501, 2015, doi: 10.1088/0953-8984/27/44/445501.
LibreCat
| DOI
2015 | Journal Article | LibreCat-ID: 22946
H. Liu, D. F. Heinze, H. Thanh Duc, S. Schumacher, and T. Meier, “Curvature effects in the band structure of carbon nanotubes including spin–orbit coupling,” Journal of Physics: Condensed Matter, vol. 27, no. 44, Art. no. 445501, 2015, doi: 10.1088/0953-8984/27/44/445501.
LibreCat
| DOI
2014 | Journal Article | LibreCat-ID: 15863
J. Vollbrecht, H. Bock, C. Wiebeler, S. Schumacher, and H.-S. Kitzerow, “Polycyclic Aromatic Hydrocarbons Obtained by Lateral Core Extension of Mesogenic Perylenes: Absorption and Optoelectronic Properties,” Chemistry - A European Journal, pp. 12026–12031, 2014, doi: 10.1002/chem.201403287.
LibreCat
| DOI
2014 | Journal Article | LibreCat-ID: 15864
H. Liu, S. Schumacher, and T. Meier, “Influence of Coulomb-induced band couplings on linear excitonic absorption spectra of semiconducting carbon nanotubes,” Physical Review B, vol. 89, no. 15, Art. no. 155407, 2014, doi: 10.1103/physrevb.89.155407.
LibreCat
| DOI
2013 | Journal Article | LibreCat-ID: 15871
H. Liu, S. Schumacher, and T. Meier, “Selection rules and linear absorption spectra of carbon nanotubes in axial magnetic fields,” Physical Review B, vol. 88, no. 3, Art. no. 035429, 2013, doi: 10.1103/physrevb.88.035429.
LibreCat
| DOI
2012 | Journal Article | LibreCat-ID: 3974 |

S. Schumacher et al., “Cavity-assisted emission of polarization-entangled photons from biexcitons in quantum dots with fine-structure splitting,” Optics Express, vol. 20, no. 5, pp. 5335–5342, 2012, doi: 10.1364/oe.20.005335.
LibreCat
| Files available
| DOI
2010 | Journal Article | LibreCat-ID: 15846
S. Schumacher, I. Galbraith, A. Ruseckas, G. A. Turnbull, and I. D. W. Samuel, “Dynamics of photoexcitation and stimulated optical emission in conjugated polymers: A multiscale quantum-chemistry and Maxwell-Bloch-equations approach,” Physical Review B, 2010.
LibreCat
| DOI
96 Publications
2024 | Journal Article | LibreCat-ID: 50829
N. Heinisch, N. Köcher, D. Bauch, and S. Schumacher, “Swing-up dynamics in quantum emitter cavity systems: Near ideal single photons and entangled photon pairs,” Physical Review Research, vol. 6, no. 1, Art. no. L012017, 2024, doi: 10.1103/PhysRevResearch.6.L012017.
LibreCat
| DOI
2024 | Journal Article | LibreCat-ID: 51105
J. Wingenbach, S. Schumacher, and X. Ma, “Manipulating spectral topology and exceptional points by nonlinearity in non-Hermitian polariton systems,” Physical Review Research, in press, 2024.
LibreCat
2024 | Journal Article | LibreCat-ID: 51221
C.-D. Dong, F. Bauch, Y. Hu, and S. Schumacher, “Charge transfer in superbase n-type doping of PCBM induced by deprotonation,” Physical Chemistry Chemical Physics, vol. 26, no. 5, pp. 4194–4199, 2024, doi: 10.1039/d3cp05105f.
LibreCat
| DOI
2024 | Journal Article | LibreCat-ID: 52534
F. Bauch, C.-D. Dong, and S. Schumacher, “Dynamics of Electron–Hole Coulomb Attractive Energy and Dipole Moment of Hot Excitons in Donor–Acceptor Polymers,” The Journal of Physical Chemistry C, vol. 128, no. 8, pp. 3525–3532, 2024, doi: 10.1021/acs.jpcc.3c07513.
LibreCat
| DOI
2024 | Journal Article | LibreCat-ID: 51106
T. Schneider, W. Gao, T. Zentgraf, S. Schumacher, and X. Ma, “Topological edge and corner states in coupled wave lattices in nonlinear polariton condensates,” Nanophotonics, vol. 13, no. 4, pp. 509–518, 2024, doi: 10.1515/nanoph-2023-0556.
LibreCat
| DOI
2023 | Journal Article | LibreCat-ID: 48599 |

D. Bauch, D. Siebert, K. Jöns, J. Förstner, and S. Schumacher, “On‐Demand Indistinguishable and Entangled Photons Using Tailored Cavity Designs,” Advanced Quantum Technologies, 2023, doi: 10.1002/qute.202300142.
LibreCat
| Files available
| DOI
| Download (ext.)
2023 | Preprint | LibreCat-ID: 43246 |

D. Bauch, D. Siebert, K. Jöns, J. Förstner, and S. Schumacher, “On-demand indistinguishable and entangled photons at telecom frequencies using tailored cavity designs.” 2023.
LibreCat
| Files available
| Download (ext.)
2023 | Journal Article | LibreCat-ID: 51093
F. Bauch, C.-D. Dong, and S. Schumacher, “Dynamics-induced charge transfer in semiconducting conjugated polymers,” Journal of Materials Chemistry C, vol. 11, no. 38, pp. 12992–12998, 2023, doi: 10.1039/d3tc02263c.
LibreCat
| DOI
2023 | Journal Article | LibreCat-ID: 36416
J. De et al., “Room-Temperature Electrical Field-Enhanced Ultrafast Switch in Organic Microcavity Polariton Condensates,” Journal of the American Chemical Society (JACS), vol. 145, no. 3, pp. 1557–1563, 2023, doi: 10.1021/jacs.2c07557.
LibreCat
| DOI
2023 | Journal Article | LibreCat-ID: 35160
J. Jia et al., “Circularly polarized electroluminescence from a single-crystal organic microcavity light-emitting diode based on photonic spin-orbit interactions,” Nature Communications, vol. 14, no. 1, Art. no. 31, 2023, doi: 10.1038/s41467-022-35745-w.
LibreCat
| DOI
2023 | Journal Article | LibreCat-ID: 42973
C. Lüders et al., “Tracking Quantum Coherence in Polariton Condensates with Time-Resolved Tomography,” Physical Review Letters, vol. 130, no. 11, Art. no. 113601, 2023, doi: 10.1103/physrevlett.130.113601.
LibreCat
| DOI
2023 | Journal Article | LibreCat-ID: 40274
X. Zhai et al., “Electrically controlling vortices in a neutral exciton polariton condensate at room temperature,” Physical Review Letters, vol. 131, no. 13, p. 136901, 2023, doi: 10.1103/PhysRevLett.131.136901.
LibreCat
| DOI
2022 | Journal Article | LibreCat-ID: 51092
F. Bauch, C.-D. Dong, and S. Schumacher, “Protonation-induced charge transfer and polaron formation in organic semiconductors doped by Lewis acids,” RSC Advances, vol. 12, no. 22, pp. 13999–14006, 2022, doi: 10.1039/d2ra02032g.
LibreCat
| DOI
2022 | Journal Article | LibreCat-ID: 40523
B. Jonas et al., “Nonlinear down-conversion in a single quantum dot,” Nature Communications, vol. 13, no. 1, Art. no. 1387, 2022, doi: 10.1038/s41467-022-28993-3.
LibreCat
| DOI
2022 | Journal Article | LibreCat-ID: 33080
T. Long et al., “Helical Polariton Lasing from Topological Valleys in an Organic Crystalline Microcavity,” Advanced Science, vol. 9, no. 29, Art. no. 2203588, 2022, doi: 10.1002/advs.202203588.
LibreCat
| DOI
2022 | Journal Article | LibreCat-ID: 32310
Y. Li et al., “Manipulating polariton condensates by Rashba-Dresselhaus coupling at room temperature,” Nature Communications, vol. 13, no. 1, Art. no. 3785, 2022, doi: 10.1038/s41467-022-31529-4.
LibreCat
| DOI
2022 | Journal Article | LibreCat-ID: 40431
T. Praschan, D. Heinze, D. Breddermann, A. Zrenner, A. Walther, and S. Schumacher, “Pulse shaping for on-demand emission of single Raman photons from a quantum-dot biexciton,” Physical Review B, vol. 105, no. 4, Art. no. 045302, 2022, doi: 10.1103/physrevb.105.045302.
LibreCat
| DOI
2022 | Journal Article | LibreCat-ID: 32148
X. Gao, W. Hu, S. Schumacher, and X. Ma, “Unidirectional vortex waveguides and multistable vortex pairs in polariton condensates,” Optics Letters, vol. 47, no. 13, pp. 3235–3238, 2022, doi: 10.1364/ol.457724.
LibreCat
| DOI
2022 | Journal Article | LibreCat-ID: 31937
Y. Li, X. Ma, Z. Hatzopoulos, P. G. Savvidis, S. Schumacher, and T. Gao, “Switching Off a Microcavity Polariton Condensate near the Exceptional Point,” ACS Photonics, vol. 9, no. 6, pp. 2079–2086, 2022, doi: 10.1021/acsphotonics.2c00288.
LibreCat
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2022 | Journal Article | LibreCat-ID: 40423
F. Bauch, C.-D. Dong, and S. Schumacher, “Protonation-induced charge transfer and polaron formation in organic semiconductors doped by Lewis acids,” RSC Advances, vol. 12, no. 22, pp. 13999–14006, 2022, doi: 10.1039/d2ra02032g.
LibreCat
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2022 | Journal Article | LibreCat-ID: 34094
Y. Gao et al., “Tilting nondispersive bands in an empty microcavity,” Applied Physics Letters, vol. 121, no. 20, Art. no. 201103, 2022, doi: 10.1063/5.0093908.
LibreCat
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2022 | Journal Article | LibreCat-ID: 40425
T. Bathe, C.-D. Dong, and S. Schumacher, “Microscopic Study of Molecular Double Doping,” The Journal of Physical Chemistry A, vol. 126, no. 13, pp. 2075–2081, 2022, doi: 10.1021/acs.jpca.1c09179.
LibreCat
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2021 | Journal Article | LibreCat-ID: 21360
S. M. H. Luk et al., “All-Optical Beam Steering Using the Polariton Lighthouse Effect,” ACS Photonics, pp. 449–454, 2021, doi: 10.1021/acsphotonics.0c01962.
LibreCat
| DOI
2021 | Journal Article | LibreCat-ID: 40433
C.-D. Dong and S. Schumacher, “Microscopic Insights into Charge Formation and Energetics in n-Doped Organic Semiconductors,” The Journal of Physical Chemistry C, vol. 125, no. 40, pp. 21824–21830, 2021, doi: 10.1021/acs.jpcc.1c05666.
LibreCat
| DOI
2021 | Journal Article | LibreCat-ID: 26283
C. Lüders et al., “Quantifying Quantum Coherence in Polariton Condensates,” PRX Quantum, 2021, doi: 10.1103/prxquantum.2.030320.
LibreCat
| DOI
2021 | Journal Article | LibreCat-ID: 21362
Y. Xue et al., “Split-ring polariton condensates as macroscopic two-level quantum systems,” Physical Review Research, vol. 3, no. 1, Art. no. 013099, 2021, doi: 10.1103/physrevresearch.3.013099.
LibreCat
| DOI
2021 | Journal Article | LibreCat-ID: 23816 |

D. Bauch, D. F. Heinze, J. Förstner, K. Jöns, and S. Schumacher, “Ultrafast electric control of cavity mediated single-photon and photon-pair generation with semiconductor quantum dots,” Physical Review B, vol. 104, p. 085308, 2021, doi: 10.1103/physrevb.104.085308.
LibreCat
| Files available
| DOI
2021 | Journal Article | LibreCat-ID: 39653
C. Wiebeler, J. Vollbrecht, A. Neuba, H.-S. Kitzerow, and S. Schumacher, “Unraveling the electrochemical and spectroscopic properties of neutral and negatively charged perylene tetraethylesters,” Scientific Reports, vol. 11, no. 1, Art. no. 16097, 2021, doi: 10.1038/s41598-021-95551-0.
LibreCat
| DOI
2021 | Journal Article | LibreCat-ID: 40434
P. Klement et al., “Atomically Thin Sheets of Lead‐Free 1D Hybrid Perovskites Feature Tunable White‐Light Emission from Self‐Trapped Excitons,” Advanced Materials, vol. 33, no. 23, Art. no. 2100518, 2021, doi: 10.1002/adma.202100518.
LibreCat
| DOI
2021 | Journal Article | LibreCat-ID: 21359
F. Barkhausen, M. Pukrop, S. Schumacher, and X. Ma, “Structuring coflowing and counterflowing currents of polariton condensates in concentric ring-shaped and elliptical potentials,” Physical Review B, vol. 103, no. 7, Art. no. 075305, 2021, doi: 10.1103/physrevb.103.075305.
LibreCat
| DOI
2020 | Journal Article | LibreCat-ID: 40435
C.-D. Dong and S. Schumacher, “Molecular doping in few-molecule polymer-dopant complexes shows reduced Coulomb binding,” Journal of Materials Chemistry C, vol. 8, no. 34, pp. 11929–11935, 2020, doi: 10.1039/d0tc02185g.
LibreCat
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2020 | Journal Article | LibreCat-ID: 20584
J. Ren et al., “Efficient Bosonic Condensation of Exciton Polaritons in an H-Aggregate Organic Single-Crystal Microcavity.,” Nano Letters, vol. 20, no. 10, pp. 7550–7557, 2020, doi: 10.1021/acs.nanolett.0c03009.
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| PubMed | Europe PMC
2020 | Journal Article | LibreCat-ID: 20582
B. Berger et al., “Formation dynamics of exciton-polariton vortices created by nonresonant annular pumping,” Physical Review B, vol. 101, no. 24, p. 245309, 2020, doi: 10.1103/PhysRevB.101.245309.
LibreCat
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2020 | Journal Article | LibreCat-ID: 20585
X. Ma, Y. Kartashov, A. Ferrando, and S. Schumacher, “Topological edge states of nonequilibrium polaritons in hollow honeycomb arrays.,” Optics Letters, vol. 45, no. 19, pp. 5311–5314, 2020, doi: 10.1364/ol.405844.
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| PubMed | Europe PMC
2020 | Journal Article | LibreCat-ID: 20581
M. Pukrop, S. Schumacher, and X. Ma, “Circular polarization reversal of half-vortex cores in polariton condensates,” Physical Review B, vol. 101, no. 20, p. 205301, 2020, doi: 10.1103/PhysRevB.101.205301.
LibreCat
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2020 | Journal Article | LibreCat-ID: 20583
X. Ma, Y. V. Kartashov, T. Gao, L. Torner, and S. Schumacher, “Spiraling vortices in exciton-polariton condensates,” Physical Review B, vol. 102, no. 4, p. 045309, 2020, doi: 10.1103/PhysRevB.102.045309.
LibreCat
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2020 | Journal Article | LibreCat-ID: 20587
F. Barkhausen, S. Schumacher, and X. Ma, “Multistable circular currents of polariton condensates trapped in ring potentials.,” Optics Letters, vol. 45, no. 5, pp. 1192–1195, 2020, doi: 10.1364/ol.386250.
LibreCat
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| PubMed | Europe PMC
2020 | Journal Article | LibreCat-ID: 40443
M. Pukrop and S. Schumacher, “Externally controlled Lotka-Volterra dynamics in a linearly polarized polariton fluid,” Physical Review E, vol. 101, no. 1, Art. no. 012207, 2020, doi: 10.1103/physreve.101.012207.
LibreCat
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2020 | Journal Article | LibreCat-ID: 40438
M. Carcamo, S. Schumacher, and R. Binder, “Transfer function replacement of phenomenological single-mode equations in semiconductor microcavity modeling,” Applied Optics, vol. 59, no. 22, Art. no. G112, 2020, doi: 10.1364/ao.392014.
LibreCat
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2020 | Journal Article | LibreCat-ID: 20586
X. Ma, Y. Kartashov, A. Kavokin, and S. Schumacher, “Chiral condensates in a polariton hexagonal ring.,” Optics Letters, vol. 45, no. 20, pp. 5700–5703, 2020, doi: 10.1364/ol.405400.
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| PubMed | Europe PMC
2020 | Journal Article | LibreCat-ID: 43747 |

T. Meier et al., “Realization of all-optical vortex switching in exciton-polariton condensates,” Nature communications, vol. 11, no. 1, p. 897, 2020, doi: 10.1038/s41467-020-14702-5.
LibreCat
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| Download (ext.)
2020 | Journal Article | LibreCat-ID: 20580
X. Ma et al., “Realization of all-optical vortex switching in exciton-polariton condensates,” Nature Communications, vol. 11, no. 1, p. 897, 2020, doi: 10.1038/s41467-020-14702-5.
LibreCat
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| PubMed | Europe PMC
2019 | Journal Article | LibreCat-ID: 13343
J. Vollbrecht, C. Wiebeler, H. Bock, S. Schumacher, and H.-S. Kitzerow, “Curved Polar Dibenzocoronene Esters and Imides versus Their Planar Centrosymmetric Homologs: Photophysical and Optoelectronic Analysis,” The Journal of Physical Chemistry C, vol. 123, no. 7, pp. 4483–4492, 2019, doi: 10.1021/acs.jpcc.8b10730.
LibreCat
| DOI
2019 | Preprint | LibreCat-ID: 13340
M. Pukrop and S. Schumacher, “Externally Controlled Lotka-Volterra Dynamics in a Linearly Polarized Polariton Fluid,” arXiv:1903.12534. 2019.
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2019 | Preprint | LibreCat-ID: 13347
C.-D. Dong and S. Schumacher, “Molecular Doping of PCPDT-BT Copolymers: Comparison of Molecular Complexes with and Without Integer Charge Transfer.” 2019.
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2019 | Journal Article | LibreCat-ID: 15851
X. Ma, Y. Y. Kartashov, T. Gao, and S. Schumacher, “Controllable high-speed polariton waves in a PT-symmetric lattice,” New Journal of Physics, vol. 21, Art. no. 123008, 2019, doi: 10.1088/1367-2630/ab5a9b.
LibreCat
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2019 | Journal Article | LibreCat-ID: 20578
R. Driben, X. Ma, S. Schumacher, and T. Meier, “Bloch oscillations of multidimensional dark soliton wave packets and light bullets,” Optics Letters, vol. 44, no. 6, pp. 1327–1330, 2019, doi: 10.1364/ol.44.001327.
LibreCat
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| PubMed | Europe PMC
2018 | Journal Article | LibreCat-ID: 20576
X. Ma and S. Schumacher, “Vortex Multistability and Bessel Vortices in Polariton Condensates.,” Physical Review Letters, vol. 121, no. 22, Art. no. 227404, 2018, doi: 10.1103/physrevlett.121.227404.
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| PubMed | Europe PMC
2018 | Journal Article | LibreCat-ID: 13348
S. M. H. Luk et al., “Theory of optically controlled anisotropic polariton transport in semiconductor double microcavities,” Journal of the Optical Society of America B, vol. 35, no. 1, Art. no. 146, 2018, doi: 10.1364/josab.35.000146.
LibreCat
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2018 | Journal Article | LibreCat-ID: 13351
D. Breddermann, T. Praschan, D. F. Heinze, R. Binder, and S. Schumacher, “Microscopic theory of cavity-enhanced single-photon emission from optical two-photon Raman processes,” Physical Review B, vol. 97, no. 12, 2018, doi: 10.1103/physrevb.97.125303.
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2017 | Journal Article | LibreCat-ID: 13359
X. Ma, O. A. Egorov, and S. Schumacher, “Creation and Manipulation of Stable Dark Solitons and Vortices in Microcavity Polariton Condensates,” Physical Review Letters, vol. 118, no. 15, Art. no. 157401, 2017, doi: 10.1103/physrevlett.118.157401.
LibreCat
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2017 | Journal Article | LibreCat-ID: 13356
X. Ma and S. Schumacher, “Vortex-vortex control in exciton-polariton condensates,” Physical Review B, vol. 95, no. 23, Art. no. 235301, 2017, doi: 10.1103/physrevb.95.235301.
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2017 | Journal Article | LibreCat-ID: 13358
J. Vollbrecht, C. Wiebeler, S. Schumacher, H. Bock, and H.-S. Kitzerow, “Enhanced columnar mesophase range through distortions in arene cores,” Molecular Crystals and Liquid Crystals, pp. 66–73, 2017, doi: 10.1080/15421406.2017.1284387.
LibreCat
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2016 | Journal Article | LibreCat-ID: 15856
J. Vollbrecht, C. Wiebeler, A. Neuba, H. Bock, S. Schumacher, and H.-S. Kitzerow, “Bay-Extended, Distorted Perylene Esters Showing Visible Luminescence after Ultraviolet Excitation: Photophysical and Electrochemical Analysis,” The Journal of Physical Chemistry C, pp. 7839–7848, 2016, doi: 10.1021/acs.jpcc.6b00954.
LibreCat
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2016 | Journal Article | LibreCat-ID: 13910
X. Ma, R. Driben, B. A. Malomed, T. Meier, and S. Schumacher, “Two-dimensional symbiotic solitons and vortices in binary condensates with attractive cross-species interaction,” Scientific Reports, vol. 6, Art. no. 34847, 2016, doi: 10.1038/srep34847.
LibreCat
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2015 | Journal Article | LibreCat-ID: 13922
H. Liu, D. F. Heinze, H. Thanh Duc, S. Schumacher, and T. Meier, “Curvature effects in the band structure of carbon nanotubes including spin–orbit coupling,” Journal of Physics: Condensed Matter, vol. 27, no. 44, Art. no. 445501, 2015, doi: 10.1088/0953-8984/27/44/445501.
LibreCat
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2015 | Journal Article | LibreCat-ID: 22946
H. Liu, D. F. Heinze, H. Thanh Duc, S. Schumacher, and T. Meier, “Curvature effects in the band structure of carbon nanotubes including spin–orbit coupling,” Journal of Physics: Condensed Matter, vol. 27, no. 44, Art. no. 445501, 2015, doi: 10.1088/0953-8984/27/44/445501.
LibreCat
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2014 | Journal Article | LibreCat-ID: 15863
J. Vollbrecht, H. Bock, C. Wiebeler, S. Schumacher, and H.-S. Kitzerow, “Polycyclic Aromatic Hydrocarbons Obtained by Lateral Core Extension of Mesogenic Perylenes: Absorption and Optoelectronic Properties,” Chemistry - A European Journal, pp. 12026–12031, 2014, doi: 10.1002/chem.201403287.
LibreCat
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2014 | Journal Article | LibreCat-ID: 15864
H. Liu, S. Schumacher, and T. Meier, “Influence of Coulomb-induced band couplings on linear excitonic absorption spectra of semiconducting carbon nanotubes,” Physical Review B, vol. 89, no. 15, Art. no. 155407, 2014, doi: 10.1103/physrevb.89.155407.
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2013 | Journal Article | LibreCat-ID: 15871
H. Liu, S. Schumacher, and T. Meier, “Selection rules and linear absorption spectra of carbon nanotubes in axial magnetic fields,” Physical Review B, vol. 88, no. 3, Art. no. 035429, 2013, doi: 10.1103/physrevb.88.035429.
LibreCat
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2012 | Journal Article | LibreCat-ID: 3974 |

S. Schumacher et al., “Cavity-assisted emission of polarization-entangled photons from biexcitons in quantum dots with fine-structure splitting,” Optics Express, vol. 20, no. 5, pp. 5335–5342, 2012, doi: 10.1364/oe.20.005335.
LibreCat
| Files available
| DOI
2010 | Journal Article | LibreCat-ID: 15846
S. Schumacher, I. Galbraith, A. Ruseckas, G. A. Turnbull, and I. D. W. Samuel, “Dynamics of photoexcitation and stimulated optical emission in conjugated polymers: A multiscale quantum-chemistry and Maxwell-Bloch-equations approach,” Physical Review B, 2010.
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