Schematic diagram of the -scan measurements.
Normalized open-aperature -scan transmittance of InN as measured using femtosecond pulses at with excitation intensity of . The circles represent the experimental data. The solid line is the theoretical fit to the data.
Normalized -scan transmittance of InN as measured at different wavelengths. The solid lines are the theoretical fits of the data.
The nonlinear optical absorption cross section as a function of the frequency. The circles represent the experimental data. The solid line is calculated from the band-filling model.
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