Figure 2.

The optical Kerr coefficient of probe beam (in units ofm) with pump beam on-resonance. (a) The optical Kerr coefficient and nonlinear absorption as functions of probe-exciton detuning Δs in the case λ=0. (b) The optical Kerr coefficient and nonlinear absorption as functions of probe-exciton detuning Δs in the case λ = 2 GHz.

Li and Zhu Nanoscale Research Letters 2012 7:660   doi:10.1186/1556-276X-7-660
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