Abstract

A nonlinear coherent coupling effect (NCCE) was observed in a degenerate femtosecond optical Kerr effect (OKE) measurement, which disturbed the analysis of the dynamics of the OKE response. The NCCE in the femtosecond OKE measurement was dependent on the pump power. To eliminate this unwanted influence of the NCCE, we proposed a two-color femtosecond OKE measurement method using supercontinuum, and the feasibility of this method has been demonstrated.

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