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(a) Temporal evolution of ΔI for pumping excitons with R polarisation and probing the different projections R, D, L and 
. (b) Schematic illustration of the exciton spin on the Bloch sphere. (c) Change of PC for a fixed time delay of 38 ps, R (H) readout projection in red (black) for varying the initialisation angle ϕ = 0 − 2π
θ = π/2. (d) Same as (c) but for initialisation angles ϕ = 0 θ = 0 − π.
