Polariton spin whirls

P. Cilibrizzi; H. Sigurdsson; T. C. H. Liew; H. Ohadi; S. Wilkinson; A. Askitopoulos; I. A. Shelykh; P. G. Lagoudakis

doi:10.1103/PhysRevB.92.155308

Polariton spin whirls

P. Cilibrizzi, H. Sigurdsson, T. C. H. Liew, H. Ohadi, S. Wilkinson, A. Askitopoulos, I. A. Shelykh, P. G. Lagoudakis

Research output: Contribution to journal › Article › peer-review

17 Citations (Scopus)

Abstract

We report on the observation of spin whirls in a radially expanding polariton condensate formed under nonresonant optical excitation. Real space imaging of polarization- and time-resolved photoluminescence reveals a spiralling polarization pattern in the plane of the microcavity. Simulations of the spatiotemporal dynamics of a spinor condensate reveal the crucial role of polariton interactions with a spinor exciton reservoir. Harnessing spin-dependent interactions between the exciton reservoir and polariton condensates allows for the manipulation of spin currents and the realization of dynamic collective spin effects in solid-state systems.

Original language	English
Article number	155308
Journal	Physical Review B
Volume	92
Issue number	15
DOIs	https://doi.org/10.1103/PhysRevB.92.155308
Publication status	Published - 15 Oct 2015

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.92.155308

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title = "Polariton spin whirls",

abstract = "We report on the observation of spin whirls in a radially expanding polariton condensate formed under nonresonant optical excitation. Real space imaging of polarization- and time-resolved photoluminescence reveals a spiralling polarization pattern in the plane of the microcavity. Simulations of the spatiotemporal dynamics of a spinor condensate reveal the crucial role of polariton interactions with a spinor exciton reservoir. Harnessing spin-dependent interactions between the exciton reservoir and polariton condensates allows for the manipulation of spin currents and the realization of dynamic collective spin effects in solid-state systems.",

author = "P. Cilibrizzi and H. Sigurdsson and Liew, {T. C. H.} and H. Ohadi and S. Wilkinson and A. Askitopoulos and Shelykh, {I. A.} and Lagoudakis, {P. G.}",

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AU - Cilibrizzi, P.

AU - Sigurdsson, H.

AU - Liew, T. C. H.

AU - Ohadi, H.

AU - Wilkinson, S.

AU - Askitopoulos, A.

AU - Shelykh, I. A.

AU - Lagoudakis, P. G.

PY - 2015/10/15

Y1 - 2015/10/15

N2 - We report on the observation of spin whirls in a radially expanding polariton condensate formed under nonresonant optical excitation. Real space imaging of polarization- and time-resolved photoluminescence reveals a spiralling polarization pattern in the plane of the microcavity. Simulations of the spatiotemporal dynamics of a spinor condensate reveal the crucial role of polariton interactions with a spinor exciton reservoir. Harnessing spin-dependent interactions between the exciton reservoir and polariton condensates allows for the manipulation of spin currents and the realization of dynamic collective spin effects in solid-state systems.

AB - We report on the observation of spin whirls in a radially expanding polariton condensate formed under nonresonant optical excitation. Real space imaging of polarization- and time-resolved photoluminescence reveals a spiralling polarization pattern in the plane of the microcavity. Simulations of the spatiotemporal dynamics of a spinor condensate reveal the crucial role of polariton interactions with a spinor exciton reservoir. Harnessing spin-dependent interactions between the exciton reservoir and polariton condensates allows for the manipulation of spin currents and the realization of dynamic collective spin effects in solid-state systems.

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JO - Physical Review B

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Polariton spin whirls

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ASJC Scopus subject areas

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