Publications
Nonlinear finite-difference time-domain method for exciton-polaritons: Application to saltatory conduction in polariton neurons
K. Dini, H. Sigurðsson, N. W. E. Seet, P. M. Walker, and T. C. H. Liew, Phys. Rev. B 110, 214303 (2024).
Predesigned perovskite crystal waveguides for room-temperature exciton–polariton condensation and edge lasing
Mateusz Kędziora, Andrzej Opala, Rosanna Mastria, Luisa De Marco, Mateusz Król, Karolina Łempicka-Mirek, Krzysztof Tyszka, Marek Ekielski, Marek Guziewicz, Karolina Bogdanowicz, Anna Szerling, Helgi Sigurðsson, Tomasz Czyszanowski, Jacek Szczytko, Michał Matuszewski, Daniele Sanvitto & Barbara Piętka Nature Materials 23, 1515 (2024).
Antiferromagnetic Ising model in a triangular vortex lattice of quantum fluids of light
Sergey Alyatkin, Carles Milián, Yaroslav V. Kartashov, Kirill A. Sitnik, Ivan Gnusov, Julian D. Töpfer, Helgi Sigurðsson, and Pavlos G. Lagoudakis Science Advances 10,eadj1589 (2024).
Observation of spin precession resonance in a stirred quantum fluid of light
Ivan Gnusov, Stepan Baryshev, Helgi Sigurđsson, Kirill Sitnik, Julian D. Töpfer, Sergey Alyatkin, and Pavlos G. Lagoudakis, Optica 11, 1156 (2024).
Non-Hermitian polariton–photon coupling in a perovskite open microcavity
Mateusz Kędziora, Mateusz Król, Piotr Kapuściński , Helgi Sigurðsson, Rafał Mazur , Wiktor Piecek , Jacek Szczytko , Michał Matuszewski , Andrzej Opala and Barbara Piętka., Nanophotonics 13, 2491 (2024).
Dirac exciton-polariton condensates in photonic crystal gratings
Sigurðsson, H., Nguyen, H. C., & Nguyen, H. S., Nanophotonics 13, 3503 (2024).
All-optical triangular and honeycomb lattices of exciton–polaritons
Sergey Alyatkin, Helgi Sigurðsson, Yaroslav V. Kartashov, Ivan Gnusov, Kirill Sitnik, Julian D. Töpfer, Pavlos G. Lagoudakis Applied Physics Letters 124, 062105 (2024).
Occupancy-driven Zeeman suppression and inversion in trapped polariton condensates
Sawicki, K., Dovzhenko, D., Wang, Y., Cookson, T., Sigurðsson, H., & Lagoudakis, P. G., Physical Review B 109. 125307 (2024).
Reconfigurable quantum fluid molecules of bound states in the continuum
Gianfrate, A., Sigurðsson, H., Ardizzone, V., Nguyen, H. C., Riminucci, F., Efthymiou-Tsironi, M., Baldwin, K. W., Pfeiffer, L. N., Trypogeorgos, D., De Giorgi, M., Ballarini, D., Nguyen, H. S., & Sanvitto, D., Nature Physics, (2024).
Magneto-optical induced supermode switching in quantum fluids of light
Furman, M., Mirek, R., Król, M., Pacuski, W., Sigurðsson, H., Szczytko, J., & Piętka, B., Communication Physics, 6, 196 (2023).
Next-nearest-neighbor coupling with spinor polariton condensates
Dovzhenko, D., Aristov, D., Pickup, L., Sigurðsson, H., & Lagoudakis, P., Phys. Rev. B 108, L161301 (2023).