Fractional thermal transport and twisted light induced by an optical two-wave mixing in single-wall carbon nanotubes

Photothermally-activated energy transfer effects were analyzed by a vectorial two-wave mixing technique. Single-wall carbon nanotubes in thin film form were experimentally evaluated by nanosecond pulses at 532 nm wavelength. Significant changes in the heat conduction derived by equivalent incident energy from single-beam and two-wave optical interactions in the sample were promoted by different participation of quantum and nonlinear optical phenomena. Fractional analysis was carried out for studying the thermal behavior exhibited by the sample in a nonlinear regime. The fractional dynamics in the thermal transport was employed for describing the interferometric effects that correspond to optical phase-changes induced in nanoscale systems. This report can be a base for future research related to twisted light and photothermally-controlled functions. [Display omitted] •Fractional dynamics in thermal transport induced by interferometry was analyzed.•Changes in heat conduction by single- and two-beam optical interactions were promoted.•Optical phase-changes for generation of twisted light were considered.•Different participation of quantum and nonlinear optical phenomena were contemplated.