Pu­bli­ka­ti­o­nen

Electrically tunable nonrigid moire exciton polariton supersolids at room temperature
X. Zhai, C. Xing, X. Yang, X. Zhang, H. Dai, X. Wang, A. Pan, S. Schumacher, X. Ma, and T. Gao
Submitted. arxiv:2504.11057

Universal neighborhood topology and geometry of exceptional points in physical systems
N. H. Kwong, J. Wingenbach, L. Ares, J. Sperling, X. Ma, S. Schumacher, and R. Binder
Submitted. arxiv:2502.19236

Molecular orientation-dependent photonic spin-orbit coupling in organic microcavities filled with two-dimensional polymorphic crystals
Y. Ji, X. Ma, H. Huang, Y. Deng, P. Wang, T. Long, Y. Li, R. Zhao, Y. Li, C. An, S. Schumacher, C. Gu, B. Liao, Q. Liao, and H. Fu
Submitted.

PHOENIX - Paderborn highly optimized and energy efficient solver for two-dimensional nonlinear Schrödinger equations with integrated extensions
J. Wingenbach, D. Bauch, X. Ma, R. Schade, C. Plessl, and S. Schumacher
Submitted. arXiv:2411.18341

Higher-order dark solitons and oscillatory dynamics in microcavity polariton condensates
J. Sun, M. Chen, S. Schumacher, W. Hu, and X. Ma
Submitted. arXiv:2411.14780

Strongly magnetically tuned exciton-polaritons in van der Waals CrSBr
C. Li, C. Shen, X. Ma, N. Jiang, J. Song, K. K. Tang, X. Deng, J. Guo, X. Liu, and Q. Zhang
Submitted. arXiv:2411.11555

Moire exciton polaritons in twisted photonic lattices at room temperature
C. Xing, Y. Wang, T. Schneider, X. Zhai, X. Zhang, Z. Xiong, H. Wu, Y. Ren, H. Dai, X. Wang, A. Pan, S. Schumacher, X. Ma, and T. Gao
Submitted. arXiv:2408.02431

Observation of sub-Poissonian correlation in spin-orbit coupled polariton vortex pairs at room temperature
X. Zhai, Y. Gao, X. Ma, C. Xing, X. Wang, A. Pan, M. Assmann, S. Schumacher, and T. Gao
Submitted. arXiv:2403.15133

Polarization manipulation of polariton condensates in organic microcavities
B. Wang, J. Ren, S. Huang, X. Ma, W. Dang, C. Gu, C. An, X. Zhao, and Q. Liao
Laser & Photonics Reviews 19, 2402217 (2025).

Optically controllable localization of exciton polariton condensates in a potential lattice
Q. Ai, J. Wingenbach, X. Yang, J. Wei, Z. Hatzopoulos, P. G. Savvidis, S. Schumacher, X. Ma, and T. Gao
Physical Review Applied 23, 024029 (2025).

Dual-wavelength exciton-polariton condensation via relaxation of multiple vibrational quanta in organic microcavities
L. Yang, X. Ma, T. Long, H. Huang, J. Ren, C. Gu, C. An, B. Liao, H. Fu, and Q. Liao
ACS Photonics 11, 4700-4706 (2024).

Organic room-temperature polariton condensate in a higher-order topological lattice
C. Bennenhei, H. Shan, M. Struve, N. Kunte, F. Eilenberger, J. Ohmer, U. Fischer, S. Schumacher, X. Ma, C. Schneider, and M. Esmann
ACS Photonics 11, 3046-3054 (2024).

Molecular orientation-dependent photonic polarization engineering in organic single crystal-filled microcavities
Q. Liang, X. Ma, J. Ren, C. Gu, B. Liao, H. Fu, and Q. Liao
The Journal of Physical Chemistry Letters 15, 7533-7538 (2024).

Topological edge and corner states in coupled wave lattices in nonlinear polariton condensates
T. Schneider, W. Gao, T. Zentgraf, S. Schumacher, and X. Ma
Nanophotonics 13, 509-518 (2024).

Photochemical reaction enabling the engineering of photonic spin−orbit coupling in organic-crystal optical microcavities
Q. Liang, X. Ma, C. Gu, J. Ren, C. An, H. Fu, S. Schumacher, and Q. Liao
Journal of the American Chemical Society (JACS) 146, 4542–4548 (2024).

Manipulating spectral topology and exceptional points by nonlinearity in non-Hermitian polariton systems
J. Wingenbach, S. Schumacher, and X. Ma
Physical Review Research 6, 013148 (2024).

Single-shot spatial instability and electric control of polariton condensates at room temperature
Y. Gao, X. Ma, X. Zhai, C. Xing, M. Gao, H. Dai, H. Wu, T. Liu, Y. Ren, X. Wang, A. Pan, W. Hu, S. Schumacher, and T. Gao
Physical Review B 108, 205303 (2023).

Electrically controlling vortices in a neutral exciton polariton condensate at room temperature
X. Zhai, X. Ma, Y. Gao, C. Xing, M. Gao, H. Dai, X. Wang, A. Pan, S. Schumacher, and T. Gao
Physical Review Letters 131, 136901 (2023).

Room-temperature electrical field-enhanced ultrafast switch in organic microcavity polariton condensates
J. De, X. Ma, F. Yin, J. Ren, J. Yao, S. Schumacher, Q. Liao, H. Fu, G. Malpuech, and D. Solnyshkov
Journal of the American Chemical Society (JACS) 145, 1557–1563 (2023).

Circularly polarized electroluminescence from a single-crystal organic microcavity light-emitting diode based on photonic spin-orbit interactions
J. Jia, X. Cao, X. Ma, J. De, J. Yao, S. Schumacher, Q. Liao, and H. Fu
Nature Communications 14, 31 (2023).

Circularly polarized lasing from a microcavity filled with achiral single‐crystalline microribbons
Q. Liang, X. Ma, T. Long, J. Yao, Q. Liao, and H. Fu
Angewandte Chemie International Edition 62, e202213229 (2023).

Tilting nondispersive bands in an empty microcavity
Y. Gao, Y. Li, X. Ma, M. Gao, H. Dai, S. Schumacher, and T. Gao
Applied Physics Letters 121, 201103 (2022).

Helical polariton lasing from topological valleys in an organic crystalline microcavity
T. Long, X. Ma, J. Ren, F. Li, Q. Liao, S. Schumacher, G. Malpuech, D. Solnyshkov, and H. Fu
Advanced Science 9, 2203588 (2022).

Unidirectional vortex waveguides and multistable vortex pairs in polariton condensates
X. Gao, W. Hu, S. Schumacher, and X. Ma
Optics Letters 47, 3235 (2022).

Switching off a microcavity polariton condensate near the exceptional point
Y. Li, X. Ma, Z. Hatzopoulos, P. Savvidis, S. Schumacher, and T. Gao
ACS Photonics 9, 2079 (2022).

Manipulating polariton condensates by Rashba-Dresselhaus coupling at room temperature
Y. Li, X. Ma, X. Zhai, M. Gao, H. Dai, S. Schumacher, and T. Gao
Nature Communications 13, 3785 (2022).

Dynamics of phase defects trapped in optically imprinted orbits in dissipative binary polariton condensates
J. Wingenbach, M. Pukrop, S. Schumacher, and X. Ma
Physical Review B 105, 245302 (2022).

Controlling exciton distribution in WS₂ monolayer on a photonic crystal
X. Zhang, Z. Chen, D. Liu, L. Wan, X. Ma, and T. Gao
Applied Physics Express 15, 022004 (2022).

Realization of exciton-mediated optical spin-orbit interaction in organic microcrystalline resonators
J. Ren, Q. Liao, X. Ma, S. Schumacher, J. Yao, and H. Fu
Laser & Photonics Reviews 16, 2100252 (2022).

Split-ring polariton condensate as a macroscopic two-level quantum system 
Y. Xue, I. Chestnov, E. Sedov, E. Kiktenko, A. K. Fedorov, S. Schumacher, X. Ma, and A. Kavokin
Physical Review Research 3, 013099 (2021).

Structuring coflowing and counterflowing currents of polariton condensates in concentric ring-shaped and elliptical potentials
F. Barkhausen, M. Pukrop, S. Schumacher, and X. Ma
Physical Review B 103, 075305 (2021).

Efficient Bosonic condensation of exciton polaritons in an H-aggregate organic single-crystal microcavity
J. Ren, Q. Liao, H. Huang, Y. Li, T. Gao, X. Ma, S. Schumacher, J. Yao, S. Bai, and H. Fu
Nano Letters 20, 7550 (2020).

Topological edge states of nonequilibrium polaritons in hollow honeycomb arrays
X. Ma, Y. V. Kartashov, A. Ferrando, and S. Schumacher
Optics Letters 45, 5311 (2020).

Chiral condensates in a polariton hexagonal ring
X. Ma, Y. V. Kartashov, A. Kovokin, and S. Schumacher
Optics Letters 45, 5700 (2020).

Formation dynamics of exciton polariton vortices created by non-resonant annular pumping
B. Berger, D. Schmidt, X. Ma, S. Schumacher, C. Schneider, S. Höfling, and M. Aßmann
Physical Review B 101, 245309 (2020).

Realization of all-optical vortex switching in exciton-polariton condensates
X. Ma, B. Berger, M. Assmann, R. Driben, T.Meier, C. Schneider, S. Höfling, and S. Schumacher
Nature Communications 11, 897 (2020).

Spiraling vortices in polariton condensates
X. Ma, Y. Y. Kartashov, T. Gao, L. Torner, and S. Schumacher
Physical Review B 102, 045309 (2020).

Circular polarization reversal of half-vortex cores in polariton condensates
M. Pukrop, S. Schumacher, and X. Ma
Physical Review B 101, 205301 (2020).

Multistable circular currents of polariton condensates trapped in ring potentials
F. Barkhausen, S. Schumacher, and X. Ma
Optics Letters 45, 1192 (2020).

Spin splitting in a MoS₂ monolayer induced by exciton interaction
Y. Li, G. Li, X. Zhai, S. Xiong, H. Liu, X. Wang, H. Chen, Y. Gao, X. Zhang, T. Liu, Y. Ren, X. Ma, H. Fu, and T. Gao
Physical Review B 101, 245439 (2020).​​​​​​​

Controllable high-speed polariton waves in a PT-symmetric lattice
X. Ma, Y. Y. Kartashov, T. Gao, and S. Schumacher
New Journal of Physics 21, 123008 (2019).

Bloch oscillations of multidimensional dark soliton wave packets and light bullets 
R. Driben, X. Ma, S. Schumacher, and T. Meier
Optics Letters 44, 1327 (2019).

Vortex multistability and Bessel vortices in polariton condensates 
X. Ma and S. Schumacher 
Physical Review Letters 121, 227404 (2018).

Vortex-vortex control in polariton condensates 
X. Ma and S. Schumacher 
Physical Review B 95, 235301 (2017).

Creation and manipulation of stable dark solitons and vortices in microcavity polariton condensates 
X. Ma, O. A. Egorov, and S. Schumacher 
Physical Review Letters 118, 157401 (2017).

Two-dimensional symbiotic solitons and vortices in binary condensates with attractive cross-species interaction 
X. Ma, R. Driben, B. Malomed, T. Meier, and S. Schumacher
Scientific Reports 6, 34847 (2016).

Incoherent control of topological charges in nonequilibrium polariton condensates
X. Ma, U. Peschel, and O. A. Egorov
Physical Review B 93, 035315 (2016).

Dynamics of exciton-polaritons in discrete lattices under incoherent localized pumping
A. V. Yulin, I. Yu Chestnov, X. Ma, S. Schumacher, U Peschel, and O. A. Egorov
Physical Review B 94, 054312 (2016).

Collective state transitions of exciton-polaritons loaded into a periodic potential
K. Winkler, O. A. Egorov, I. G. Savenko, X. Ma, E. Estrecho, T. Gao, S. Müller, M. Kamp, T. C. H. Liew, E. A. Ostrovskaya, S. Höfling, and C. Schneider
Physical Review B 93, 121303(R) (2016).

Talbot effect for exciton polaritons
T. Gao, E. Estrecho, G. Li, O. A. Egorov, X. Ma, K. Winkler, M. Kamp, C. Schneider, S. Höfling, A. G. Truscott, and E. A. Ostrovskaya
Physical Review Letters 117, 097403 (2016).

Instability-induced formation and nonequilibrium dynamics of phase defects in polariton condensates
T. C. H. Liew, O. A. Egorov, M. Matuszewski, O. Kyriienko, X. Ma, and E. A. Ostrovskaya
Physical Review B 91, 085413 (2015).

Oscillatory dynamics of nonequilibrium dissipative exciton-polariton condensates in weak-contrast lattices
X. Ma, I. Yu. Chestnov, M. V. Charukhchyan, A. P. Alodjants, and O. A. Egorov
Physical Review B 91, 214301 (2015).

Information processing with topologically protected vortex memories in exciton-polariton condensates
H. Sigurdsson, O. A. Egorov, X. Ma, I. A. Shelykh, and T. C. H. Liew
Physical Review B 90, 014504 (2014).