Publications

2023

M. Wurdack, T. Yun, M. Katzer, A. G. Truscott, A. Knorr, M. Selig, E. A. Ostrovskaya, and  E. Estrecho, ‘Negative-mass exciton polaritons induced by dissipative light-matter coupling in an atomically thin semiconductor’, Nat. Commun. 14, 1026 (2023) open access

2022

Y.-M. R. Hu, E. A. Ostrovskaya, and E. Estrecho, ‘Wave packet dynamics in a non-Hermitian exciton-polariton system’, arXiv:2210.05860 (2022)

J. B. Muir, J. Levinsen, S. K. Earl, M. A. Conway, J. H. Cole, M. Wurdack, R. Mishra, D. J. Ing, E. Estrecho, Y. Lu, D. K. Efimkin, J. O. Tollerud, E. A. Ostrovskaya, M. M. Parish, and J. A. Davis, ‘Interactions between Fermi polarons in monolayer WS2’, Nat. Commun. 13, 6164 (2022) open access

T. Yun, E. Estrecho, A. G. Truscott, E. A. Ostrovskaya, and M. Wurdack, ‘Fabrication of high-quality PMMA/SiOx spaced planar microcavities for strong coupling of light with monolayer WS2 excitons’,  Appl. Phys. Lett. 121, 081105 (2022) arXiv:2204.01181

M. Pieczarka, O. Bleu, E. Estrecho, M. Wurdack, M. Steger, D. W. Snoke, K. West, L. N. Pfeiffer, A. G. Truscott, E. A. Ostrovskaya, J. Levinsen, and M. M. Parish, ‘Bogoliubov excitations of a polariton condensate in dynamical equilibrium with an incoherent reservoir’ Phys. Rev. B 105, 224515 (2022) arXiv:2112.03768

M. Wurdack, E. Estrecho, S. Todd, C. Schneider, A. G. Truscott, and E. A. Ostrovskaya, ‘Enhancing ground state population and macroscopic coherence of room-temperature WS2 polaritons through engineered confinement’, Phys. Rev. Lett. 129, 147402 (2022) arXiv:2112.12383

2021

R. Su, E. Estrecho, D. Bieganska, Y. Huang, M. Wurdack, M. Pieczarka, A. G. Truscott, T.C.H. Liew, E. A. Ostrovskaya, and Q. Xiong, ‘Direct Measurement of a Non-Hermitian Topological Invariant in a Hybrid Light-Matter System‘, Sci. Adv. 7, eabj8905 (2021) open access

D. Biegańska, M. Pieczarka, E. Estrecho, M. Steger, D. W. Snoke, K. West, L. N. Pfeiffer, M. Syperek, A. G. Truscott, and E. A. Ostrovskaya, ‘Collective excitations of exciton-polariton condensates in a synthetic gauge field‘, Phys. Rev. Lett. 127 185301 (2021) arXiv:2011.13290

S. K. Earl, M. A. Conway, J. B. Muir, M. Wurdack, E. A. Ostrovskaya, J. O. Tollerud, and J. A. Davis, ‘Coherent dynamics of Floquet-Bloch states in monolayer WS2 reveals fast adiabatic switching‘, Phys. Rev. B 104, 060303 (2021), arXiv:2106.10618

E. Estrecho, ‘Laser trapping and manipulation of exciton–polariton quantum fluids’, Nat. Rev. Phys. 3, 536 (2021)

T. Yun, M. Wurdack, M. Pieczarka, S. Bhattacharyya, Q. Ou, C. Notthoff, C. K. Nguyen, T. Daeneke, P. Kluth, M. S. Fuhrer, A. G. Truscott, E. Estrecho, and E. A. Ostrovskaya, ‘Influence of direct deposition of dielectric materials on the optical response of monolayer WS2‘, Appl. Phys. Lett. 119, 133106 (2021) arXiv:2104.09893

M. Wurdack, E. Estrecho, S. Todd, T. Yun, M. Pieczarka, S. K. Earl, J. A. Davis, C. Schneider, A. G. Truscott, and E. A. Ostrovskaya, ‘Motional narrowing, ballistic transport, and trapping of room-temperature exciton polaritons in an atomically-thin semiconductor’, Nat. Commun. 12, 5366 (2021) open access

M. Pieczarka, E. Estrecho, S. Ghosh, M. Wurdack, D. W. Snoke, K. West, L. N. Pfeiffer, T. C. H. Liew, A. G. Truscott, and E. A. Ostrovskaya, ‘Topological phase transition in an all-optical exciton-polariton lattice’, Optica 8, 1084-1091 (2021) open access

C. Rupprecht, N. Lundt,  M. Wurdack, P. Stepanov, E. Estrecho,  M. Richard, E. A. Ostrovskaya, S. Höfling, and C. Schneider, ‘Micro-mechanical assembly and characterization of high-quality Fabry–Pérot microcavities for the integration of two-dimensional materials‘, Appl. Phys. Lett. 118, 103103 (2021)

E. Estrecho, M. Pieczarka, M. Wurdack, M. Steger, K. West, L. N. Pfeiffer, D. W. Snoke, A. G. Truscott, and E. A. Ostrovskaya, ‘Low-energy collective oscillations and Bogoliubov sound in an exciton-polariton condensate‘, Phys. Rev. Lett. 126, 075301 (2021) arXiv:2004.12339

2020

S.-Y. Chen, M. Pieczarka, M. Wurdack, E. Estrecho, T. Taniguchi, K. Watanabe, J. Yan, E. A. Ostrovskaya, and M. S. Fuhrer, ‘Long-lived populations of momentum- and spin-indirect excitons in monolayer WSe2′, arXiv:2009.09602

M. Wurdack, T. Yun, E. Estrecho, N. Syed, S. Bhattacharyya, M. Pieczarka, A. Zavabeti, S.-Yu Chen, B. Haas, J. Mueller, Q. Bao, C. Schneider, Y. Lu, M. S. Fuhrer, A. G. Truscott, T. Daeneke, and E. A. Ostrovskaya, ‘Ultrathin Ga2O3 glass: a large scale passivation and protection material for monolayer WS2′, Advanced Materials, 2005732 (2020). https://doi.org/10.1002/adma.202005732,  arXiv:2007.06860

M. Pieczarka, E. Estrecho, M. Boozarjmehr, O. Bleu, M. Steger, K. West, L. N. Pfeiffer, D. W. Snoke, J. Levinsen, M. M. Parish, A. G. Truscott, and E. A. Ostrovskaya, ‘Observation of quantum depletion in a nonequilibrium exciton-polariton condensate’, Nat. Commun. 11, 429 (2020) open access

S. Mandal, R. Banerjee, E. A. Ostrovskaya, and T. C. H. Liew, ‘Nonreciprocal Transport of Exciton Polaritons in a Non-Hermitian Chain’, Phys. Rev. Lett. 125, 123902 (2020) arXiv:2009.00924

M. Pieczarka, D. Poletti, C. Schneider, S. Höfling, E. A. Ostrovskaya, G. Sęk, and M. Syperek, ‘Observation of gain-pinned dissipative solitons in a microcavity laser’, APL Photonics 5, 086103 (2020) open access

2019

M. Pieczarka, M. Boozarjmehr, E. Estrecho, Y. Yoon, M. Steger, K. West, L. N. Pfeiffer, K. A. Nelson, D. W. Snoke, A. G. Truscott, E. A. Ostrovskaya, ‘Effect of optically-induced potential on the energy of trapped exciton-polaritons below the condensation threshold‘, Phys. Rev. B 100, 085301 (2019) arXiv:1808.00749

E. Estrecho, T. Gao, N. Bobrovska, D. Comber-Todd, M. D. Fraser, M. Steger, K. West, L. N. Pfeiffer, J. Levinsen, M. M. Parish, T. C. H. Liew, M. Matuszewski, D. W. Snoke, A. G. Truscott, and E. A. Ostrovskaya, ‘Direct measurement of polariton-polariton interaction strength in the Thomas-Fermi regime of exciton-polariton condensation’, Phys. Rev. B 100, 035306 (2019) arXiv:1809.00757

M. Klaas, O. A. Egorov, T. C. H. Liew, A. Nalitov, V. Marković, H. Suchomel, T. H. Harder, S. Betzold, E. A. Ostrovskaya, A. Kavokin, S. Klembt, S. Höfling, and C. Schneider, ‘Nonresonant spin selection methods and polarization control in exciton-polariton condensates‘, Phys. Rev. B 99, 115303 (2019)

2018

T. Gao, O. Egorov, E. Estrecho, K. Winkler, M. Kamp, C. Schneider, S. Höfling, A. G. Truscott, and E. A. Ostrovskaya, ‘Controlled ordering of topological charges in an exciton-polariton chain’, Phys. Rev. Lett. 121, 225302 (2018) arXiv:1807.02343

T. Gao, G. Li, E. Estrecho, T. C. H. Liew, D. Comber-Todd, A. Nalitov, M. Steger, K. West, L. Pfeiffer, D. Snoke, A. V. Kavokin, A. G. Truscott, and  E. A. Ostrovskaya, ‘Chiral modes at exceptional points in exciton-polariton quantum fluids‘, Phys. Rev. Lett. 120, 065301 (2018) arXiv:1705.09752

E. Estrecho, T. Gao, N. Bobrovska, M. D. Fraser, M. Steger, L. Pfeiffer, K. West, T. C. H. Liew, M. Matuszewski, D. W. Snoke, A. G. Truscott, and  E. A. Ostrovskaya, ‘Single-shot condensation of exciton polaritons and the hole burning effect‘, Nat. Commun. 9, 2944 (2018) open access

M. Waldherr , N. Lundt , M. Klaas, S. Betzold , M. Wurdack, V. Baumann, E. Estrecho, A. Nalitov, E. Cherotchenko, H. Cai, E. A. Ostrovskaya, A. Kavokin, S. Tongay, S. Klembt, S. Höfling, C. Schneider ‘Observation of bosonic condensation in an atomically thin crystal embedded in a hybrid MoSe2-GaAs microcavity‘, Nat. Commun. 9, 3286 (2018) open access

2017

C. Schneider, K. Winkler, M.D. Fraser, M. Kamp, Y. Yamamoto, E.A. Ostrovskaya, and S. Höfling, ‘Exciton-Polariton Trapping and Potential Landscape Engineering‘, Rep. Prog. Phys. 80, 016503 (2017)  arXiv:1510.07540

2016

E. Estrecho, T. Gao, S. Brodbeck, M. Kamp, C. Schneider, S. Höfling, A. G. Truscott, and E. A. Ostrovskaya, ‘Visualising Berry phase and diabolical points in a quantum exciton-polariton billiard‘, Scientific Reports 6, 37653 (2016)  arXiv:1607.05805

A. V. Yulin, A. S. Desyatnikov, and E. A. Ostrovskaya, ‘Spontaneous formation and synchronization of vortex modes in optically induced traps for exciton-polariton condensates‘, Phys. Rev. B 94, 134310 (2016)

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, ‘Talbot effect for exciton polaritons‘, Phys. Rev. Lett. 117, 097403 (2016) arXiv:1603.05056

E. A. Ostrovskaya and F. Nori, ‘Giant Rydberg Excitons: Probing Quantum Chaos’, Nature Materials, 15, 702 (2016)

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, C. Schneider, ‘Collective state transitions of exciton-polaritons loaded into a periodic potential‘, Phys. Rev. B 93, 121303(R) (2016) arXiv:1509.08820

G. Li, ‘Azimuthons and pattern formation in annularly confined exciton-polariton Bose-Einstein condensates‘, Phys. Rev. A 93, 013837 (2016) arXiv:1511.02539

2015

T. Gao, E. Estrecho, K.Y. Bliokh, T.C.H. Liew, M.D. Fraser, S. Brodbeck, M. Kamp, C. Schneider, S. Höfling, Y. Yamamoto, F. Nori, Y.S. Kivshar, A. Truscott, R. Dall, E.A. Ostrovskaya, ‘Observation of non-Hermitian degeneracies in a chaotic exciton-polariton billiard‘, Nature 526, 554–558 (2015), arXiv:1504.00978

G. Li, T. C. H. Liew, O. A. Egorov, E. A. Ostrovskaya, ‘Incoherent excitation and switching of spin states in exciton-polariton condensates‘, Physical Review B, 92, 064304 (2015), arXiv:1501.05355

G. Li, M. D. Fraser, A. I. Yakimenko, E. A. Ostrovskaya, ‘Stability of persistent currents in open-dissipative quantum fluids‘,  Physical Review B, 91, 184518 (2015), arXiv:1408.1568

T. C. H. Liew, O. A. Egorov, M. Matuszewski, O. Kyriienko, X. Ma, and E. A. Ostrovskaya, ‘Instability-induced formation and nonequilibrium dynamics of phase defects in polariton condensates‘, Physical Review B, 91, 085413 (2015), arXiv:1504.01848

C. J. Dedman, B. M. Henson, R. I. Khakimov, A. G. Truscott and R. G. Dall, ‘Precision temperature controlled filtered laminar air enclosure‘, Meas. Sci. Technol. 26 027002 (2015)

K. Winkler, J. Fischer, A. Schade, M. Amthor, R. Dall, J. Geßler, M.Emmerling, E. A. Ostrovskaya, M. Kamp, C. Schneider and S. Höfling, ‘A Polariton Condensate in a Photonic Crystal Potential Landscape‘, New Journal of Physics, 17, 023001 (2015)

2014

N. Bobrovska, E. A. Ostrovskaya, and M. Matuszewski, ‘Stability and spatial coherence of non-resonantly pumped exciton-polariton condensates‘, Physical Review B 90, 205304 (2014), arXiv:1408.2980

R. Dall, M. D. Fraser, A. S. Desyatnikov, G. Li, S. Brodbeck, M. Kamp, C. Schneider, S. Höfling, E. A. Ostrovskaya, ‘Creation of orbital angular momentum states with chiral polaritonic lenses‘,    Physical Review Letters 113, 200404 (2014), arXiv:1406.7390

O. Kyriienko, E. A. Ostrovskaya, O. A. Egorov, I. A. Shelykh, and T. C. H. Liew, ‘Bistability in microcavities with incoherent optical or electrical excitation‘, Physical Review B 90, 125407 (2014), arXiv:1310.4130

O. A. Egorov, A. Werner, T. C. H. Liew, E. A. Ostrovskaya, and F. Lederer, ‘Motion of patterns in polariton quantum fluids with spin-orbit interaction‘, Physical Review B 89, 235302 (2014).

L. A. Smirnov, D. A. Smirnova, E. A. Ostrovskaya, and Yu. S. Kivshar, ‘Dynamics and stability of dark solitons in exciton-polariton condensates‘, Physical Review B 89, 235310 (2014), arXiv:1404.1742

2013-12

E. A. Ostrovskaya, J. Abdullaev, M. D. Fraser, A. S. Desyatnikov, Y. S. Kivshar, ‘Self-localization of polariton condensates in periodic potentials‘, Physical Review Letters, 110, 170407 (2013), arXiv:1302.1724

E. A. Ostrovskaya, J. Abdullaev, A. S. Desyatnikov, M. D. Fraser, and Y. S. Kivshar, ‘Dissipative solitons and vortices in polariton Bose-Einstein condensates‘, Physical Review A, 86, 013636 (2012), arXiv:1205.1570