Nonlinear optical processes in one-dimensional polymers

Xiao-shen Li; Duo-Liang Lin; Thomas F. George

doi:10.1117/12.23732

1 October 1990 Nonlinear optical processes in one-dimensional polymers

Xiao-shen Li, Duo-Liang Lin, Thomas F. George

Proceedings Volume 1352, 1st Intl School on Laser Surface Microprocessing; (1990) https://doi.org/10.1117/12.23732
Event: International School on Laser Surface Microprocessing, 1989, Tashkent, Uzbekistan

Abstract

New phenomena are observed theoretically in nonlinear optical responses of polydiacetylene-toluene sulfonate (PTS) irradiated by a strong laser beam. Within a two-level model of PTS the transient behavior of the induced susceptibility is investigated. Optical nutation is found and the optical Stark blue shift and bleaching are also found in qualitative agreement with experiments. In the steady state a new type of optical tristability mediated by phonons is found. A possible mechanism responsible for this tristability is discussed. 1 .

Citation Download Citation

Xiao-shen Li, Duo-Liang Lin, and Thomas F. George "Nonlinear optical processes in one-dimensional polymers", Proc. SPIE 1352, 1st Intl School on Laser Surface Microprocessing, (1 October 1990); https://doi.org/10.1117/12.23732

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