Abstract
We show that a control technique, based on feedback filtered at a Fourier plane, can stabilize the spatio-temporally disordered output of a nonlinear optical system. We demonstrate this in an experiment with a LCLV feedback system and in a theoretical model. We stabilize the system and select square and roll patterns. The technique is non-invasive in that the control signal becomes small when control is achieved. A combination of real- and Fourier-space filtering can stabilize patterns in any chosen region of the transverse space.
| Original language | English |
|---|---|
| Pages (from-to) | 177-182 |
| Number of pages | 6 |
| Journal | Journal of Optics B: Quantum and Semiclassical Optics |
| Volume | 1 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - 7 Dec 1998 |
Keywords
- control of chaos
- nonlinear optics
- pattern formation
- LCLV feedback system
- Fourier plane
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