Abstract
With the excitation of a ps pulse laser we found both the optical bistability and the multi-order bistability in CdS: Cu+ crystals. The nonlinear response time is as fast as 150 ps, and the switching time of the second-order bistable loop approaches 80 ps. The technique of the degenerate four wave mixing (DFWM) has been used to investigate the optical nonlinearity related to the Cu+ impurity. The third-order nonlinear susceptibility of χ(3) was measured to be 9 × 10-9 esu.
| Original language | English |
|---|---|
| Pages (from-to) | 533-536 |
| Number of pages | 4 |
| Journal | Journal of Luminescence |
| Volume | 53 |
| Issue number | 1-6 |
| DOIs | |
| State | Published - Jul 1992 |
| Externally published | Yes |
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