… Lines with a larger absorption cross section generated nonlinearity with a larger magnitude.
… that the same mechanism is responsible for the optical nonlinearity of each molecular gas. …

… To obtain further insight into the physical mechanism leading to the large MS NL coefficients…
10 − 11 cm 2 W − 1 [29], we observe an enhancement of two orders of magnitude in the MS. …

… the magnitude and sign of nonlinear refraction and nonlinear absorption [11,12]. The Z-scan
experiments … Since the dominant mechanism of TPP is RSA arising from excited state …

… mechanisms, saturation of linear absorption, reverse saturation of … We observed that
nonlinear refractive index of chemically produced samples is higher by one order of magnitude …

… In this chapter we discuss a number of mechanisms that result in nonlinear absorption (NLA)
or nonlinear refraction (NLR) or a combination of … Defining the magnitude and phase of E by …

… the magnitude of optical nonlinearity but also on its sign, the use of the Z-scan technique for
… 140 nm showed a transition in this variation of the two nonlinear mechanism contributions. …

… of the two compounds are systematically investigated and the mechanism is … nonlinear
refractive materials since they have significant nonlinear refraction with saturable absorption at …

… section, we would introduce the principles and mechanisms for enhancing nonlinearities in
… platform for nonlinear control over the light intensity and polarization with giant magnitude …

… parameters that account for saturation and decay mechanisms, respectively. The 1PA-induced
carrier … Our work explains the differences in sign and magnitude of graphene's nonlinear …

… efficiency, an order of magnitude higher than bulk GaAs or … the modulation mechanism
of reflectance via the absorption … In summary, we have designed and fabricated nonlinear …