Electrically tunable momentum space polarization singularities in liquid crystal microcavities

Authors: Oliwa, Przemysław, Kapuściński, Piotr, Popławska, Maria, Muszyński, Marcin, Król, Mateusz, Morawiak, Przemysław, Mazur, Rafał, Piecek, Wiktor, Kula, Przemysław, Bardyszewski, Witold, Piętka, Barbara, Sigurðsson, Helgi, Szczytko, Jacek

Subject Terms: Physics - Optics

Access URL: http://arxiv.org/abs/2502.07430

Discrete chiral ballistic polariton laser

Authors: Werner, Zuzanna, Frączak, Andrzej, Daníelsson, Valtýr Kári, Szczytko, Jacek, Piętka, Barbara, Sigurðsson, Helgi

Subject Terms: Condensed Matter - Mesoscale and Nanoscale Physics, Physics - Optics

Access URL: http://arxiv.org/abs/2502.02816

Optically trapped exciton-polariton condensates in a perovskite microcavity

Authors: Zaremba, Maciej, Kędziora, Mateusz, Stańco, Laura, Piskorski, Krzysztof, Kosiel, Kamil, Szerling, Anna, Mazur, Rafał, Piecek, Wiktor, Opala, Andrzej, Sigurðsson, Helgi, Piętka, Barbara

Subject Terms: Physics - Optics, Condensed Matter - Mesoscale and Nanoscale Physics

Access URL: http://arxiv.org/abs/2501.16861

Quantum fluid dimers of hyperbolic exciton-polariton condensates

Authors: Georgakilas, Ioannis, Gianfrate, Antonio, Trypogeorgos, Dimitrios, Sigurðsson, Helgi, Riminucci, Fabrizio, Baldwin, Kirk W., Pfeiffer, Loren N., De Giorgi, Milena, Ballarini, Dario, Sanvitto, Daniele

Subject Terms: Physics - Optics, Condensed Matter - Quantum Gases

Access URL: http://arxiv.org/abs/2412.14147

Quantum Fluids of Light in 2D Artificial Reconfigurable Aperiodic Crystals with Tailored Coupling

Authors: Alyatkin, Sergey, Sitnik, Kirill, Daníelsson, Valtýr Kári, Kartashov, Yaroslav V., Töpfer, Julian D., Sigurðsson, Helgi, Lagoudakis, Pavlos G.

Subject Terms: Condensed Matter - Quantum Gases, Physics - Optics

Access URL: http://arxiv.org/abs/2409.16801

Non-Hermitian polariton-photon coupling in a perovskite open microcavity

Authors: Kędziora, Mateusz, Król, Mateusz, Kapuściński, Piotr, Sigurðsson, Helgi, Mazur, Rafał, Piecek, Wiktor, Szczytko, Jacek, Matuszewski, Michał, Opala, Andrzej, Piętka, Barbara

Subject Terms: Condensed Matter - Mesoscale and Nanoscale Physics, Physics - Optics

Access URL: http://arxiv.org/abs/2408.11663

Dirac exciton-polariton condensates in photonic crystal gratings

Authors: Sigurðsson, Helgi, Nguyen, Hai Chau, Nguyen, Hai Son

Subject Terms: Condensed Matter - Mesoscale and Nanoscale Physics, Physics - Optics

Access URL: http://arxiv.org/abs/2310.08423

Occupancy-driven Zeeman suppression and inversion in trapped polariton condensates

Authors: Sawicki, Krzysztof, Dovzhenko, Dmitriy, Wang, Yuan, Sigurðsson, Helgi, Lagoudakis, Pavlos G.

Subject Terms: Condensed Matter - Mesoscale and Nanoscale Physics, Physics - Optics, Quantum Physics

Access URL: http://arxiv.org/abs/2308.05351

Directional planar antennae in polariton condensates

Authors: Aristov, Denis, Baryshev, Stepan, Töpfer, Julian D., Sigurðsson, Helgi, Lagoudakis, Pavlos G.

Subject Terms: Condensed Matter - Mesoscale and Nanoscale Physics, Condensed Matter - Quantum Gases, Physics - Optics

Access URL: http://arxiv.org/abs/2305.19682

Optically driven spin precession in polariton condensates

Authors: Gnusov, Ivan, Baryshev, Stepan, Sigurðsson, Helgi, Sitnik, Kirill, Töpfer, Julian, Alyatkin, Sergey, Lagoudakis, Pavlos G.

Subject Terms: Physics - Optics, Condensed Matter - Other Condensed Matter, Quantum Physics

Access URL: http://arxiv.org/abs/2305.03782

Polariton vortex Chern insulator

Authors: Harrison, Stella L., Nalitov, Anton, Lagoudakis, Pavlos G., Sigurðsson, Helgi

Subject Terms: Condensed Matter - Mesoscale and Nanoscale Physics, Condensed Matter - Quantum Gases

Access URL: http://arxiv.org/abs/2304.14998

Magneto-optical induced supermode switching in quantum fluids of light

Authors: Furman, Magdalena, Mirek, Rafał, Król, Mateusz, Pacuski, Wojciech, Sigurðsson, Helgi, Szczytko, Jacek, Piętka, Barbara

Source: Commun. Phys. 6, 196 (2023)

Subject Terms: Condensed Matter - Mesoscale and Nanoscale Physics, Physics - Optics

Access URL: http://arxiv.org/abs/2304.09159

Antiferromagnetic Ising model in a triangular vortex lattice of quantum fluids of light

Authors: Alyatkin, Sergey, Milián, Carles, Kartashov, Yaroslav V., Sitnik, Kirill A., Töpfer, Julian D., Sigurðsson, Helgi, Lagoudakis, Pavlos G.

Source: Sci. Adv. 10(34) eadj1589 (2024)

Subject Terms: Condensed Matter - Mesoscale and Nanoscale Physics, Condensed Matter - Quantum Gases, Physics - Optics

Access URL: http://arxiv.org/abs/2207.01850

Predesigned perovskite crystal waveguides for room-temperature exciton–polariton condensation and edge lasing

Authors: Kędziora, Mateusz, Opala, Andrzej, Mastria, Rosanna, De Marco, Luisa, Król, Mateusz, Łempicka-Mirek, Karolina, Tyszka, Krzysztof, Ekielski, Marek, Guziewicz, Marek, Bogdanowicz, Karolina, Szerling, Anna, Sigurðsson, Helgi, Czyszanowski, Tomasz, Szczytko, Jacek, Matuszewski, Michał, Sanvitto, Daniele, Piętka, Barbara

Source: Nature Materials; November 2024, Vol. 23 Issue: 11 p1515-1522, 8p

Dirac exciton–polariton condensates in photonic crystal gratings.

Authors: Sigurðsson, Helgi, Nguyen, Hai Chau, Nguyen, Hai Son

Source: Nanophotonics (21928606); Aug2024, Vol. 13 Issue 18, p3503-3518, 16p

Subject Terms: BOUND states, DISPERSION relations, PHOTONIC crystals, QUASIPARTICLES, CONDENSATION, POLARITONS

All-optical triangular and honeycomb lattices of exciton–polaritons.

Authors: Alyatkin, Sergey¹ (AUTHOR) s.alyatkin@skoltech.ru, Sigurðsson, Helgi^2,3 (AUTHOR), Kartashov, Yaroslav V.⁴ (AUTHOR), Gnusov, Ivan¹ (AUTHOR), Sitnik, Kirill¹ (AUTHOR), Töpfer, Julian D.¹ (AUTHOR), Lagoudakis, Pavlos G.¹ (AUTHOR)

Source: Applied Physics Letters. 2/5/2024, Vol. 124 Issue 6, p1-6. 6p.

Subject Terms: *POLARITONS, *LATTICE constants, *CONDENSED matter, *SPATIAL light modulators, *HONEYCOMB structures, *BLOCH'S theorem

The Scandinavian Sarcoma Group Central Register: 6, 000 patients after 25 years of monitoring of referral and treatment of extremity and trunk wall soft-tissue sarcoma

Authors: Trovik, Clement, Bauer, Henrik C F, Styring, Emelie, Sundby Hall, Kirsten, Vult Von Steyern, Fredrik, Eriksson, Sigvard, Johansson, Ingela, Sampo, Mika, Laitinen, Minna, Kalén, Anders, Jónsson, Halldór, Jebsen, Nina, Eriksson, Mikael, Tukiainen, Erkki, Wall, Najme, Zaikova, Olga, Sigurðsson, Helgi, Lehtinen, Tuula, Bjerkehagen, Bodil, Skorpil, Mikael, Egil Eide, Geir, Johansson, Elisabeth, Alvegard, Thor A

Source: Acta orthopaedica. 88(3):341-347

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100105953658.0x000001&indx=1&recIds=ETOCvdc_100105953658.0x000001

Reconfigurable quantum fluid molecules of bound states in the continuum

Authors: Gianfrate, Antonio, Sigurðsson, Helgi, Ardizzone, Vincenzo, Nguyen, Hai Chau, Riminucci, Fabrizio, Efthymiou-Tsironi, Maria, Baldwin, Kirk W., Pfeiffer, Loren N., Trypogeorgos, Dimitrios, De Giorgi, Milena, Ballarini, Dario, Nguyen, Hai Son, Sanvitto, Daniele

Source: Nature Physics; January 2024, Vol. 20 Issue: 1 p61-67, 7p

Jónas Hallgrimsson

Authors: Sigurðsson, Helgi (1815-1888) pastor, Iceland, painter, Sigurðsson, Helgi (1815-1888) præst, Island, maler

Availability: http://data.europeana.eu/aggregation/europeana/92023/images_billed_2010_okt_billeder_object31655

Versatile perovskites enable room-temperature topological polaritonics

Authors: Sigurðsson, Helgi, Piętka, Barbara

Source: Nature Nanotechnology; September 2024, Vol. 19 Issue: 9 p1239-1240, 2p