Jisha, C. P. ; Kuriakose, V. C. ; Porsezian, K. ; Kalithasan, B. (2008) Modulational instability of optical beams in photorefractive media due to two-wave or parametric four-wave mixing effects Journal of Optics A: Pure and Applied Optics, 10 (11). p. 115101. ISSN 1464-4258
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Official URL: http://iopscience.iop.org/1464-4258/10/11/115101
Related URL: http://dx.doi.org/10.1088/1464-4258/10/11/115101
Abstract
Modulational instability in a photorefractive medium is studied in the presence of two-wave mixing. We then propose and derive a model for forward four-wave mixing in the photorefractive medium and investigate the modulational instability induced by four-wave mixing effects. By using the standard linear stability analysis the instability gain is obtained. In both cases, the geometry is such that the effect of self-phase-modulation self-focusing is suppressed and only the holographic focusing nonlinearity is acting.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Institute of Physics. |
| ID Code: | 97658 |
| Deposited On: | 14 May 2013 11:13 |
| Last Modified: | 14 May 2013 11:13 |
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