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Helgi Sigurðsson - Nýdoktor

Helgi Sigurðsson

–

Verkfræði- og náttúruvísindasvið

Helgi Sigurðsson

Nýdoktor

Nýdoktor

Aðsetur
VR-3 / V03-208
Sími
+354 773 5219
Tölvupóstur
helg [hjá] hi.is

Starfseining
Raunvísindastofnun

ORCID vefsíða
https://orcid.org/0000-0002-4156-4414

Útgefið efni

2022

Machine learning of phase transitions in nonlinear polariton latticesCommunications Physics
Solving the max-3-cut problem with coherent networksPhysical Review Applied
Screening nearest-neighbor interactions in networks of exciton-polariton condensates through spin orbit couplingPhysical Review B
Engineering Photon Statistics in a Spinor Polariton CondensatePhysical Review Letters

2021

Geometric frustration in polygons of polariton condensates creating vortices of varying topological chargeNature Communications
Quantum ﬂuids of light in all-optical scatterer latticesNature Communications
Polariton spin jets through optical controlPhysical Review B
Optically controlled polariton condensate moleculesPhysical Review B
Photonic Berry curvature in double liquid crystal microcavities with broken inversion symmetryPhysical Review B
Realizing Optical Persistent Spin Helix and Stern-Gerlach Deflection in an Anisotropic Liquid Crystal MicrocavityPhysical Review Letters
Quantum fluids of light in all-optical scatterer latticesNature Communications
Reservoir optics with exciton-polariton condensatesPhysical Review B
Quantum fluids of light in all-optical scatterer latticesNature Communications
All-Optical Linear-Polarization Engineering in Single and Coupled Exciton-Polariton CondensatesPhysical Review Applied
Minor embedding with Stuart-Landau oscillator networksarXiv
Realizing optical persistent spin helix and stern-gerlach deflection in an anisotropic liquid crystal microcavityPhysical Review Letters
Geometric frustration in polygons of polariton condensates creating vortices of varying topological chargeNature Communications
Polariton spin jets through optical controlPhysical Review B
Optically controlled polariton condensate moleculesPhysical Review B
Observation of second-order meron polarization textures in optical microcavitiesOptica
Engineering spatial coherence in lattices of polariton condensatesOptica
Photonic Berry curvature in double liquid crystal microcavities with broken inversion symmetryPhysical Review B
All-Optical Linear-Polarization Engineering in Single and Coupled Exciton-Polariton CondensatesPhysical Review Applied

2020

Lotka-Volterra population dynamics in coherent and tunable oscillators of trapped polariton condensatesPhysical Review B
Time-delay polaritonicsCommunications Physics
Synchronization in optically trapped polariton Stuart-Landau networksPhysical Review B
Optical orientation, polarization pinning, and depolarization dynamics in optically confined polariton condensatesPhysical Review B
Synchronization in optically trapped polariton Stuart-Landau networksPhysical Review B
Optical orientation, polarization pinning, and depolarization dynamics in optically confined polariton condensatesPhysical Review B
Pseudo-spin destabilization in optically confined exciton-polariton condensatesOptics InfoBase Conference Papers
Optical Control of Couplings in Polariton Condensate LatticesPhysical Review Letters
Coherence Revivals of a Spinor Polariton Condensate from Self-induced Larmor Precession
Solving the max-3-cut problem using synchronized dissipative networks
Synthetic band-structure engineering in polariton crystals with non-Hermitian topological phasesNature Communications
Engineering photon statistics in a spinor polariton condensate
Hysteresis in linearly polarized nonresonantly driven exciton-polariton condensatesPhysical Review Research
Lotka-Volterra population dynamics in coherent and tunable oscillators of trapped polariton condensatesPhysical Review B
Hysteresis in linearly polarized nonresonantly driven exciton-polariton condensatesPhysical Review Research
Synthetic band-structure engineering in polariton crystals with non-Hermitian topological phasesNature Communications
Optical Control of Couplings in Polariton Condensate LatticesPhysical Review Letters
Optical orientation, polarization pinning, and depolarization dynamics in optically confined polariton condensatesPhysical Review B
Synchronization in optically trapped polariton Stuart-Landau networksPhysical Review B
Time-delay polaritonicsCommunications Physics

2019

Optical control of coupling in phase-locked polariton dyadsConference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)
Observation of inversion, hysteresis, and collapse of spin in optically trapped polariton condensatesPhysical Review B
Optical control of coupling in phase-locked polariton dyadsOptics InfoBase Conference Papers
Spontaneous topological transitions in a honeycomb lattice of exciton-polariton condensates due to spin bifurcationsPhysical Review B
Observation of inversion, hysteresis, and collapse of spin in optically trapped polariton condensatesPhysical Review B
Probabilistic solving of
NP
-hard problems with bistable nonlinear optical networks
Observation of inversion, hysteresis, and collapse of spin in optically trapped polariton condensates
Probabilistic solving of NP -hard problems with bistable nonlinear optical networksPhysical Review B
Spontaneous topological transitions in a honeycomb lattice of exciton-polariton condensates due to spin bifurcationsPhysical Review B
Optically trapped polariton condensates as semiclassical time crystalsPhysical Review A
All-to-All Intramodal Condensate Coupling by Multifrequency Excitation of PolaritonsACS Photonics
Amplification of nonlinear polariton pulses in waveguidesOptics Express
Probabilistic solving of NP-hard problems with bistable nonlinear optical networksPhysical Review B

2018

Parity bifurcations in trapped multistable phase locked exciton-polariton condensatesPhysical Review B
Spin Domains in One-Dimensional Conservative Polariton SolitonsACS Photonics
Transition from Propagating Polariton Solitons to a Standing Wave Condensate Induced by InteractionsPhysical Review Letters
Parity bifurcations in trapped multistable phase locked exciton-polariton condensatesPhysical Review B

2017

Electrical and optical switching in the bistable regime of an electrically injected polariton laserPhys. Rev. B
Driven-dissipative spin chain model based on exciton-polariton condensatesPhys. Rev. B
Spin Order and Phase Transitions in Chains of Polariton CondensatesPhys. Rev. Lett.
Spontaneous and superfluid chiral edge states in exciton-polariton condensatesPhys. Rev. B
Parity solitons in nonresonantly driven-dissipative condensate channelsPhys. Rev. B

2016

Half-skyrmion spin textures in polariton microcavitiesPhys. Rev. B

2015

Switching waves in multilevel incoherently driven polariton condensatesPhysical Review B - Condensed Matter and Materials Physics
Polariton spin whirlsPhysical Review B - Condensed Matter and Materials Physics
Aharonov-Bohm effect induced by circularly polarized lightSuperlattices and Microstructures
Aharonov-Bohm effect for excitons in a semiconductor quantum ring dressed by circularly polarized lightPhysical Review B - Condensed Matter and Materials Physics

2014

Optically induced Aharonov-Bohm effect in mesoscopic ringsPhysical Review B - Condensed Matter and Materials Physics
Vortices in spinor cold exciton condensates with spin-orbit interactionPhysical Review B - Condensed Matter and Materials Physics
Information processing with topologically protected vortex memories in exciton-polariton condensatesPhysical Review B - Condensed Matter and Materials Physics

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