Optically induced Dc magnetization in a Kerr medium with dissipation

R. Zawodny; G. Wagniere

doi:10.1117/12.240514

20 May 1996 Optically induced dc magnetization in a Kerr medium with dissipation

R. Zawodny, G. Wagniere

Proceedings Volume 2800, Nonlinear Optical Interactions and Wave Dynamics; (1996) https://doi.org/10.1117/12.240514
Event: International Conference on Coherent and Nonlinear Optics, 1995, St. Petersburg, Russian Federation

Abstract

The static magnetization induced by an elliptically polarized optical beam in a medium with dissipation is discussed for a classical and quantized optical field in a coherent state. Exact analytical formulas that describe the dc magnetization linearly and quadratically dependent on the intensity of the optical beam with the classical field are derived for crystals and nonlinear isotropic Kerr media with dissipation. For both magnetizations the hermitian operators are also defined and then used to calculate their expectation values induced by a quantized field propagating in a Kerr medium with dissipation, which in practice is represented by an isotropic medium and by crystals with symmetries 6m2 and 6/mmm. The positive and negative role of dissipation is shown explicitly in a fully quantitative way from the exact analytical solutions. Damping of the optical wave propagating in the medium with dissipation increases the dc magnetizations. The dissipation parts of the second- and fourth-order nonlinear magneto-electric susceptibilities influencing this magnetized process decrease the dc magnetizations and even, as in the case of the nonmagnetic crystals with the symmetries 3, 3, 32, 3m and 3m, lead to the appearance of dc magnetization perpendicularly directed with respect to the light propagation direction. Because optically induced dc magnetizations depend on the Stokes parameters, their space derivatives are also derived for the medium with dissipation.

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R. Zawodny and G. Wagniere "Optically induced dc magnetization in a Kerr medium with dissipation", Proc. SPIE 2800, Nonlinear Optical Interactions and Wave Dynamics, (20 May 1996); https://doi.org/10.1117/12.240514

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KEYWORDS

Crystals

Nonlinear crystals

Geometrical optics

Magnetism

Nonlinear optics

Wave propagation

Absorption

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