Angular dependence of giant Zeeman effect for semimagnetic cavity polaritons

R. Mirek; M. Król; K. Lekenta; J. G. Rousset; M. Nawrocki; M. Kulczykowski; M. Matuszewski; J. Szczytko; W. Pacuski; B. Piȩtka

doi:10.1103/PhysRevB.95.085429

Angular dependence of giant Zeeman effect for semimagnetic cavity polaritons

R. Mirek, M. Król, K. Lekenta, J. G. Rousset, M. Nawrocki, M. Kulczykowski, M. Matuszewski, J. Szczytko, W. Pacuski, B. Piȩtka

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19 Citations (Scopus)

Abstract

The observation of spin-related phenomena of microcavity polaritons has been limited due to the weak Zeeman effect of nonmagnetic semiconductors. We demonstrate that the incorporation of magnetic ions into quantum wells placed in a nonmagnetic microcavity results in enhanced effects of magnetic field on exciton-polaritons. We show that in such a structure the Zeeman splitting of exciton-polaritons strongly depends on the photon-exciton detuning and polariton wave vector. Our experimental data are explained by a model where the impact of magnetic field on the lower polariton state is directly inherited from the excitonic component, and the coupling strength to the cavity photon is modified by an external magnetic field.

Original language	English
Article number	085429
Journal	Physical Review B
Volume	95
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevB.95.085429
Publication status	Published - 21 Feb 2017
Externally published	Yes

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title = "Angular dependence of giant Zeeman effect for semimagnetic cavity polaritons",

abstract = "The observation of spin-related phenomena of microcavity polaritons has been limited due to the weak Zeeman effect of nonmagnetic semiconductors. We demonstrate that the incorporation of magnetic ions into quantum wells placed in a nonmagnetic microcavity results in enhanced effects of magnetic field on exciton-polaritons. We show that in such a structure the Zeeman splitting of exciton-polaritons strongly depends on the photon-exciton detuning and polariton wave vector. Our experimental data are explained by a model where the impact of magnetic field on the lower polariton state is directly inherited from the excitonic component, and the coupling strength to the cavity photon is modified by an external magnetic field.",

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AU - Mirek, R.

AU - Król, M.

AU - Lekenta, K.

AU - Rousset, J. G.

AU - Nawrocki, M.

AU - Kulczykowski, M.

AU - Matuszewski, M.

AU - Szczytko, J.

AU - Pacuski, W.

AU - Piȩtka, B.

PY - 2017/2/21

Y1 - 2017/2/21

N2 - The observation of spin-related phenomena of microcavity polaritons has been limited due to the weak Zeeman effect of nonmagnetic semiconductors. We demonstrate that the incorporation of magnetic ions into quantum wells placed in a nonmagnetic microcavity results in enhanced effects of magnetic field on exciton-polaritons. We show that in such a structure the Zeeman splitting of exciton-polaritons strongly depends on the photon-exciton detuning and polariton wave vector. Our experimental data are explained by a model where the impact of magnetic field on the lower polariton state is directly inherited from the excitonic component, and the coupling strength to the cavity photon is modified by an external magnetic field.

AB - The observation of spin-related phenomena of microcavity polaritons has been limited due to the weak Zeeman effect of nonmagnetic semiconductors. We demonstrate that the incorporation of magnetic ions into quantum wells placed in a nonmagnetic microcavity results in enhanced effects of magnetic field on exciton-polaritons. We show that in such a structure the Zeeman splitting of exciton-polaritons strongly depends on the photon-exciton detuning and polariton wave vector. Our experimental data are explained by a model where the impact of magnetic field on the lower polariton state is directly inherited from the excitonic component, and the coupling strength to the cavity photon is modified by an external magnetic field.

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DO - 10.1103/PhysRevB.95.085429

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JF - Physical Review B

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Angular dependence of giant Zeeman effect for semimagnetic cavity polaritons

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