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We investigate exciton-polariton condensation under magnetic field in a single high-quality semiconductor micropillar cavity. We observe successive polariton condensation of each spin component for two distinct threshold powers. Pronounced…

Mesoscale and Nanoscale Physics · Physics 2014-09-18 C. Sturm , D. Solnyshkov , O. Krebs , A. Lemaître , I. Sagnes , E. Galopin , A. Amo , G. Malpuech , J. Bloch

We show that the condensation of exciton-polaritons in semiconductor microcavities in an applied magnetic field manifests itself in the quenching of the Zeeman splitting of an elliptically polarized condensate. The circular polarization…

Mesoscale and Nanoscale Physics · Physics 2011-01-13 T. C. H. Liew , Yuri G. Rubo , I. A. Shelykh , A. V. Kavokin

We investigate the spin polarization of localized exciton-polariton condensates. We demonstrate the presence of an effective magnetic field leading to the formation of elliptically polarized condensates. We show that this synthetic field…

Mesoscale and Nanoscale Physics · Physics 2023-03-29 R. Mirek , M. Furman , M. Król , B. Seredyński , K. Łempicka-Mirek , K. Tyszka , W. Pacuski , M. Matuszewski , J. Szczytko , B. Piętka

The suppression of Zeeman energy splitting due to spin-dependent interactions within a Bose-Einstein condensate (the spin Meissner effect) was predicted to occur up to a certain value of magnetic field strength. We report a clear…

We investigate, theoretically and numerically, the spin dynamics of a two-component exciton-polariton condensate created and sustained by non-resonant spin-polarized optical pumping of a semiconductor microcavity. Using the open-dissipative…

Quantum Gases · Physics 2015-08-26 G. Li , T. C. H. Liew , O. A. Egorov , E. A. Ostrovskaya

We theoretically investigate the interplay between Zeeman splitting and TE-TM-induced spin-flip tunneling in coupled exciton-polariton condensates systems and its impact on the spin-Meissner effect. We demonstrate that although a single…

Mesoscale and Nanoscale Physics · Physics 2025-05-21 I. Yu. Chestnov , A. Kudlis , A. V. Nalitov , I. A. Shelykh

An exciton-polariton microcavity that incorporates magnetic ions can exhibit a spontaneous self-trapping phenomenon which is an analog of the classical polaron effect. We investigate in detail the full model of a polariton condensate that…

Quantum Gases · Physics 2018-11-14 Paweł Miętki , Michał Matuszewski

We demonstrate theoretically the spontaneous formation of a stochastic polarization in exciton-polariton Bose-Einstein condensates in planar microcavities under pulsed excitation. Below the threshold pumping intensity (dependent on the…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 D. Read , P. J. Membry , T. C. H. Liew , Yuri G. Rubo , A. V. Kavokin

We develop a theory of spin fluctuations of exciton-polaritons in a semiconductor microcavity under the non-resonant unpolarized pumping. It is shown that the corresponding spin noise is sensitive to the scattering rates in the system,…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 M. M. Glazov , M. A. Semina , E. Ya. Sherman , A. V. Kavokin

The observation of spin-related phenomena of microcavity polaritons has been limited due to weak Zeeman effect of non-magnetic semiconductors. We demonstrate that the incorporation of magnetic ions into quantum wells placed in a…

Mesoscale and Nanoscale Physics · Physics 2017-03-01 R. Mirek , M. Król , K. Lekenta , J. -G. Rousset , M. Nawrocki , M. Kulczykowski , M. Matuszewski , J. Szczytko , W. Pacuski , B. Piętka

Bose-Einstein condensates of exciton-polaritons are known for their fascinating coherent and polarization properties. The spin state of the condensate is reflected in polarization of the exciton-polariton emission, with temporal…

We study the magneto-photoluminescence of an optically trapped exciton-polariton condensate in a planar semiconductor microcavity with multiple In0.08Ga0.92As quantum wells. Extremely high condensate coherence time and continuous control…

Mesoscale and Nanoscale Physics · Physics 2024-08-14 Krzysztof Sawicki , Dmitriy Dovzhenko , Yuan Wang , Helgi Sigurðsson , Pavlos G. Lagoudakis

We present a theoretical model that allows us to describe the polariton dynamics in a semiconductor microcavity at large densities, for the case of non-resonant excitation. Exciton-polariton scattering from a thermalized exciton reservoir…

Condensed Matter · Physics 2009-11-07 D. Porras , C. Ciuti , J. J. Baumberg , C. Tejedor

The wavefunction of a collection of identical quantum particles of integer spin (bosons) is even under exchange of the coordinates of any two of them. This symmetrization rule of quantum mechanics leads to stimulation of the scattering rate…

Condensed Matter · Physics 2007-05-23 F. Tassone , R. Huang , Y. Yamamoto

We have observed the effect of pseudo magnetic field originating from the polaritonic analog of spin-orbit coupling (TE$-$TM splitting) on a polariton condensate in a ring-shaped microcavity. The effect gives rise to a stable four-leaf…

Spin transitions are studied theoretically and experimentally in a resonantly excited system of cavity polaritons in a magnetic field. Weak pair interactions in this boson system make possible fast and massive spin flips occurring at…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 S. S. Gavrilov , A. V. Sekretenko , N. A. Gippius , C. Schneider , S. Höfling , M. Kamp , A. Forchel , V. D. Kulakovskii

We investigate the optical orientation, polarization pinning, and depolarization of optically confined semiconductor exciton-polariton condensates. We perform a complete mapping of the condensate polarization as a function of incident…

Mesoscale and Nanoscale Physics · Physics 2020-09-23 Ivan Gnusov , Helgi Sigurdsson , Stepan Baryshev , Timur Ermatov , Alexis Askitopoulos , Pavlos G. Lagoudakis

A simple model, describing the dynamics of the non-equilibrium pseudospin of a homogeneous Bose-Einstein condensate of exciton polaritons, has been formulated. It explains the suppression of spin splitting of a non-equilibrium polariton…

Mesoscale and Nanoscale Physics · Physics 2013-05-30 V. L. Korenev

We observe a spontaneous parity breaking bifurcation to a ferromagnetic state in a spatially trapped exciton-polariton condensate. At a critical bifurcation density under nonresonant excitation, the whole condensate spontaneously magnetizes…

The non-local dielectric response theory is extended to describe oblique reflection of light from quantum wells subjected to the magnetic field. This allows us to calculate the dispersion and polarization of the exciton-polariton modes in…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 D. D. Solnyshkov , M. M. Glazov , I. A. Shelykh , A. V. Kavokin , E. L. Ivchenko , G. Malpuech
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