Abstract
New phenomena were 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. 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 is discussed.
| Original language | English |
|---|---|
| Pages (from-to) | 297-304 |
| Number of pages | 8 |
| Journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 1352 |
| State | Published - 1990 |
| Event | First International School on Laser Surface Microprocessing - Tashkent, USSR Duration: Oct 30 1989 → Nov 3 1989 |
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