Non-degenerate two wave mixing in R6G doped boric acid glass films

摘要

Two beam coupling has been studied in R6G doped boric acid glass films in the limit of a weak probe and a relatively strong pump. The results have been interpreted in terms of the four level description of a saturable absorber. Good agreement has been obtained between the experimental and the theoretical results. Estimated values of the non-linear parameters such as the complex refractive index, the saturation intensity and the response time of the optical nonlinearity have been obtained.