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Nonlinear propagation of light pulses and water waves under the influence of damping and forcing

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Defense Thèse de doctorat : Univ. Genève, 2019 - Sc. 5399 - 2019/10/18
Abstract This work reports results on the relationship between the nonlinear propagation of optical pulses and of water waves. What unites these two phenomena is that the envelope of the electric field of the light pulse, and of the water wave, can both be described by the same propagation equation: the nonlinear Schrödinger equation (NLSE). In the practical context of rogue waves on the ocean the optical system can serve as a table-top experiment. On a more fundamental level, the comparison allows cross-fertilization of insights. For water waves, the influence of viscous damping is examined with respect to the dispersion relation and the mass conservation. In addition, the effect of wind forcing on water waves is examined, specifically with respect to the spectral shift. Finally, triggering of optical filamentation by a turbulent atmosphere is demonstrated.
Keywords NonlinearityDynamical systemWater wavesViscosityWindFemto-second lasersFilamentation
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URN: urn:nbn:ch:unige-1271046
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Thesis (12.6 MB) - public document Free access
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Research group Groupe Kasparian
Projects FNS: 200021- 155970
FNS: 200020-175697
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EELTINK, Debbie. Nonlinear propagation of light pulses and water waves under the influence of damping and forcing. Université de Genève. Thèse, 2019. doi: 10.13097/archive-ouverte/unige:127104 https://archive-ouverte.unige.ch/unige:127104

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Deposited on : 2019-11-27

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