Spin domains in one-dimensional conservative polariton solitons
M. Sich, L. E. Tapia-Rodriguez, H. Sigurdsson, P. M. Walker, E., Clarke, I. A. Shelykh, B. Royall, E. S. Sedov, A. V. Kavokin, D. V. Skryabin,, M. S. Skolnick, D. N. Krizhanovskii
TL;DR
This paper demonstrates the formation of stable orthogonally polarized domains within high-density polariton solitons in a microcavity wire, driven by spin-dependent interactions and modeled theoretically.
Contribution
It reveals the mechanism of spin domain formation in polariton solitons due to spin interactions and pump imbalance, supported by experimental and theoretical analysis.
Findings
Stable orthogonal polarization domains observed in polariton solitons
Spin interactions create an effective magnetic field influencing polarization
Experimental results agree with theoretical models
Abstract
We report stable orthogonally polarised domains in high-density polariton solitons propagating in a semiconductor microcavity wire. This effect arises from spin dependent polariton-polariton interactions and pump-induced imbalance of polariton spin populations. The interactions result in an effective magnetic field acting on polariton spin across the soliton profile, leading to the formation of polarisation domains. Our experimental findings are in excellent agreement with theoretical modelling taking into account these effects.
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