Table 1. Third-Order NLO Measurement Values of Prepared CQDs.

third-order NLO parameters	values
laser beam wavelength (λ)	532 nm
linear absorption coefficient (α)	9.902
linear refractive index (n0)	1.2348
nonlinear absorption coefficient (β)	2.513 × 10–4 cm/W
nonlinear refractive index (n2)	1.012 × 10–8 cm2/W
real part of the third-order susceptibility [Re(χ)(3)]	3.917 × 10–7 esu
imaginary part of the third-order susceptibility [Im(χ)3]	4.120 × 10–8 esu
third-order nonlinear optical susceptibility [χ(3)]	3.939 × 10–7 esu