dorsal/arxiv
View SchemaNew features of modulational instability of partially coherent light; importance of the incoherence spectrum
| Authors | D. Anderson, L. Helczynski, M. Lisak, V. Semenov |
|---|---|
| Categories | |
| ArXiv ID | physics/0309064 |
| URL | https://arxiv.org/abs/physics/0309064 |
| DOI | 10.1103/PhysRevE.69.025601 |
Abstract
It is shown that the properties of the modulational instability of partially coherent waves propagating in a nonlinear Kerr medium depend crucially on the profile of the incoherent field spectrum. Under certain conditions, the incoherence may even enhance, rather than suppress, the instability. In particular, it is found that the range of modulationally unstable wave numbers does not necessarily decrease monotonously with increasing degree of incoherence and that the modulational instability may still exist even when long wavelength perturbations are stable.
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"abstract": "It is shown that the properties of the modulational instability of partially\ncoherent waves propagating in a nonlinear Kerr medium depend crucially on the\nprofile of the incoherent field spectrum. Under certain conditions, the\nincoherence may even enhance, rather than suppress, the instability. In\nparticular, it is found that the range of modulationally unstable wave numbers\ndoes not necessarily decrease monotonously with increasing degree of\nincoherence and that the modulational instability may still exist even when\nlong wavelength perturbations are stable.",
"arxiv_id": "physics/0309064",
"authors": [
"D. Anderson",
"L. Helczynski",
"M. Lisak",
"V. Semenov"
],
"categories": [
"physics.optics",
"physics.gen-ph"
],
"doi": "10.1103/PhysRevE.69.025601",
"title": "New features of modulational instability of partially coherent light; importance of the incoherence spectrum",
"url": "https://arxiv.org/abs/physics/0309064"
},
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