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Chiral emission induced by optical Zeeman ...
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Document type :
Article dans une revue scientifique
DOI :
10.1103/PhysRevResearch.3.043161
Title :
Chiral emission induced by optical Zeeman effect in polariton micropillars
Author(s) :
Real, B. [Auteur]
Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523 [PhLAM]
Zambon, N. Carlon [Auteur]
Centre de Nanosciences et de Nanotechnologies [C2N]
St-Jean, P. [Auteur]
Centre de Nanosciences et de Nanotechnologies [C2N]
Sagnes, I. [Auteur]
Centre de Nanosciences et de Nanotechnologies [C2N]
Lemaître, A. [Auteur]
Centre de Nanosciences et de Nanotechnologies [C2N]
Gratiet, L. Le [Auteur]
Centre de Nanosciences et de Nanotechnologies [C2N]
Harouri, A. [Auteur]
Centre de Nanosciences et de Nanotechnologies [C2N]
Ravets, S. [Auteur]
Centre de Nanosciences et de Nanotechnologies [C2N]
Bloch, J. [Auteur]
Centre de Nanosciences et de Nanotechnologies [C2N]
Amo, A. [Auteur]
Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523 [PhLAM]
Journal title :
Physical Review Research
Pages :
043161
Publisher :
American Physical Society
Publication date :
2021-12
HAL domain(s) :
Physique [physics]
Physique [physics]/Matière Condensée [cond-mat]/Systèmes mésoscopiques et effet Hall quantique [cond-mat.mes-hall]
English abstract : [en]
The low sensitivity of photons to external magnetic fields is one of the major challenges for the engineering of photonic lattices with broken time-reversal symmetry. Here we show that time-reversal symmetry can be broken ...
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The low sensitivity of photons to external magnetic fields is one of the major challenges for the engineering of photonic lattices with broken time-reversal symmetry. Here we show that time-reversal symmetry can be broken for microcavity polaritons in the absence of any external magnetic field thanks to polarization dependent polariton interactions. Circularly polarized excitation of carriers in a micropillar induces a Zeeman-like energy splitting between polaritons of opposite polarizations. In combination with optical spin-orbit coupling inherent to semiconductor microstructures, the interaction induced Zeeman splitting results in emission of vortical beams with a well-defined chirality. Our experimental findings can be extended to lattices of coupled micropillars opening the possibility of controling optically the topological properties of polariton Chern insulators.Show less >
Language :
Anglais
Peer reviewed article :
Oui
Audience :
Internationale
Popular science :
Non
Collections :
  • Laboratoire de Physique des Lasers, Atomes et Molécules (PhLAM) - UMR 8523
Source :
Harvested from HAL
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  • http://arxiv.org/pdf/2107.11131
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