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LIGHT and MATTER
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We present the theoretical framework and the approximations needed to numerically simulate the response of alkali metal atoms under multi-photon excitation.
We report theoretical results for the transition amplitudes of two-photon transitions induced in a one-active-electron atomic system by a LG10 beam. We identify the excitation pathways for…
We investigate the quantized states of a two-level Rb atom that is trapped by the optical dipole potential when the atom interacts with a helical optical tube light field.
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The Lagrangian & Hamiltonian of the classical EM field. Canonical Quantizaation of the EM field. Gauge invariance. The Coulomb and the Lorentz gauge. The minimal coupling Hamiltonian in the…
Semiclassical Theory of Light-Matter interaction: absorption, stimulated emission. Fermi's golden rule. The transition rate between bound atomic states (absorption, stimulated emission).…
Nonlinear polarization & nonlinear susceptibility. A classical model of the nonlinear susceptibility. Second-order nonlinear effects: (a) Second Harmonic Generation, (b) Sum-Frequency…