Generation of reflected second harmonic and insulator-metal transition in conducting polymer films
Aktsipetrov O. A., Vereta V. V., Dalkhin L. I., Levi M. D., Ermushev A. V., Petukhov A. V.
Second-harmonic generation upon the reflection of light from conducting polymer films has been observed for the first time. Significant changes are found to occur in the nonlinear-optics properties of the films near an insulator-metal transition.