The high harmonic generation by a single-wall carbon nanotube (CNT) due to the interaction with femtosecond laser pulses is investigated. The analysis utilizes the quantum kinetic equations for π-electrons with both intra-band and inter-band transitions. Nonperturbative approach using numerical solution of the quantum kinetic equations in the time domain has been developed and the density of the axial electric current in CNT has been calculated. The amplitude of this current and the conversion efficiency in dependence on the number of the high-order harmonics, the CNT type, the frequency and the intensity of the driving field have been investigated.
Bibliographical noteFunding Information:
The research was partially supported by the BMBF under Project No. BEL-001-01, INTAS under project No. 03-50-4409 and from the Belarus Foundation for Fundamental Research under Project Nos. F02-176 and F02R-047. A. M. Nemilentsau acknowledges the support from the World Federation of Scientists, Scholarship Programme.