Helgi Sigurðsson
Helgi Sigurðsson
Other namesHelgi Sigurdsson
Faculty of Physics, University of Warsaw
Verified email at - Homepage
Cited by
Cited by
Spin order and phase transitions in chains of polariton condensates
H Ohadi, AJ Ramsay, H Sigurdsson, YVI Redondo, SI Tsintzos, ...
Physical Review Letters 119 (6), 067401, 2017
Synthetic band-structure engineering in polariton crystals with non-Hermitian topological phases
L Pickup, H Sigurdsson, J Ruostekoski, PG Lagoudakis
Nature communications 11 (1), 4431, 2020
Optical control of couplings in polariton condensate lattices
S Alyatkin, JD Töpfer, A Askitopoulos, H Sigurdsson, PG Lagoudakis
Physical Review Letters 124 (20), 207402, 2020
Observation of second-order meron polarization textures in optical microcavities
M Król, H Sigurdsson, K Rechcińska, P Oliwa, K Tyszka, W Bardyszewski, ...
Optica 8 (2), 255-261, 2021
Time-delay polaritonics
JD Töpfer, H Sigurdsson, L Pickup, PG Lagoudakis
Communications Physics 3 (1), 2, 2020
Engineering spatial coherence in lattices of polariton condensates
JD Töpfer, I Chatzopoulos, H Sigurdsson, T Cookson, YG Rubo, ...
Optica 8 (1), 106-113, 2021
Electrically tunable Berry curvature and strong light-matter coupling in liquid crystal microcavities with 2D perovskite
K Łempicka-Mirek, M Król, H Sigurdsson, A Wincukiewicz, P Morawiak, ...
Science advances 8 (40), eabq7533, 2022
Half-skyrmion spin textures in polariton microcavities
P Cilibrizzi, H Sigurdsson, TCH Liew, H Ohadi, A Askitopoulos, ...
Physical Review B 94 (4), 045315, 2016
Optically trapped polariton condensates as semiclassical time crystals
AV Nalitov, H Sigurdsson, S Morina, YS Krivosenko, IV Iorsh, YG Rubo, ...
Physical Review A 99 (3), 033830, 2019
Spontaneous and superfluid chiral edge states in exciton-polariton condensates
H Sigurdsson, G Li, TCH Liew
Physical Review B 96 (11), 115453, 2017
Quantum fluids of light in all-optical scatterer lattices
S Alyatkin, H Sigurdsson, A Askitopoulos, JD Töpfer, PG Lagoudakis
Nature Communications 12 (1), 5571, 2021
Information processing with topologically protected vortex memories in exciton-polariton condensates
H Sigurdsson, OA Egorov, X Ma, IA Shelykh, TCH Liew
Physical Review B 90 (1), 014504, 2014
Optically induced Aharonov-Bohm effect in mesoscopic rings
H Sigurdsson, OV Kibis, IA Shelykh
Physical Review B 90 (23), 235413, 2014
Quantum vortex formation in the “rotating bucket” experiment with polariton condensates
I Gnusov, S Harrison, S Alyatkin, K Sitnik, J Töpfer, H Sigurdsson, ...
Science Advances 9 (4), eadd1299, 2023
Spontaneous topological transitions in a honeycomb lattice of exciton-polariton condensates due to spin bifurcations
H Sigurdsson, YS Krivosenko, IV Iorsh, IA Shelykh, AV Nalitov
Physical Review B 100 (23), 235444, 2019
Aharonov-Bohm effect for excitons in a semiconductor quantum ring dressed by circularly polarized light
OV Kibis, H Sigurdsson, IA Shelykh
Physical Review B 91 (23), 235308, 2015
Geometric frustration in polygons of polariton condensates creating vortices of varying topological charge
T Cookson, K Kalinin, H Sigurdsson, JD Töpfer, S Alyatkin, M Silva, ...
Nature communications 12 (1), 2120, 2021
Probabilistic solving of -hard problems with bistable nonlinear optical networks
O Kyriienko, H Sigurdsson, TCH Liew
Physical Review B 99 (19), 195301, 2019
A driven-dissipative spin chain model based on exciton-polariton condensates
H Sigurdsson, AJ Ramsay, H Ohadi, YG Rubo, TCH Liew, JJ Baumberg, ...
Physical Review B 96 (15), 155403, 2017
Polariton spin whirls
P Cilibrizzi, H Sigurdsson, TCH Liew, H Ohadi, S Wilkinson, ...
Physical Review B 92 (15), 155308, 2015
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