Journal ArticleDOI
Resonant interaction between excitons and intense coherent light
TLDR
In this paper, the authors derived a set of nonlinear wave-equations for the field and exciton amplitude and the exciton occupation number for both pulse propagation and giant polaritons in crystals.Abstract:
Starting from a Hamiltonian which describes the interaction of the many-electron system of a crystal with the quantized light field, we derive a set of nonlinear wave-equations for the field and exciton amplitude and the exciton occupation number. Our treatment comprises both Frenkel and Wannier excitons. Our equations form a sound basis for treating both pulse-propagation phenomena and giant polaritons in crystals.read more
Citations
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a Quantum-Mechanical Theory of the Contribution of Excitons to the Complex Dielectric Constant of Crystals.
TL;DR: In this article, it was shown that the ordinary semiclassical theory of the absorption of light by exciton states is not completely satisfactory (in contrast to the case of absorption due to interband transitions).
Journal ArticleDOI
Theory of Optical Bistability of Excitons
J. Goll,Hermann Haken +1 more
TL;DR: In this article, the saturation behavior of excitons driven by an impinging electromagnetic plane wave is investigated, and the nonlinear absorption coefficient and nonlinear refractive index are determined.
Journal ArticleDOI
Nonlinear Exciton Transmission in CdS Non‐Homogeneous and Non‐Stationary Model Calculations
Hoang Xuan Nguyen,R. Zimmermann +1 more
TL;DR: In this paper, the transmission of a thin semiconductor platelet is studied by solving Maxwell's equation together with a rate equation for the exciton concentration, and the concentration induced exciton broadening serves as nonlinear mechanism.
Journal ArticleDOI
Coherent exciton-phonon pulse propagation in one dimension
W. Weidlich,W. Heudorfer +1 more
TL;DR: In this article, the propagation of an exciton-phonon pulse on a linear molecular chain arising by the nonlinear interaction between the excitons and the coherent distortions of the chain was treated.
Journal ArticleDOI
Coherent States and Envelope Kinklike Exciton-Photon Coupled Modes in Nonlinear Frenkel Excitons Interacting with Radiation Fields
TL;DR: In this article, the coherence and nonlinearity properties of the exciton-rf system were studied by taking the atomic polarization, the atomic population difference and the electric field as a set of variables.
References
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Journal ArticleDOI
Coherence in Spontaneous Radiation Processes
TL;DR: In this article, the authors considered a radiating gas as a single quantum-mechanical system, and the energy levels corresponding to certain correlations between individual molecules were described, where spontaneous emission of radiation in a transition between two such levels leads to the emission of coherent radiation.
Journal ArticleDOI
Theory of the Contribution of Excitons to the Complex Dielectric Constant of Crystals
TL;DR: In this paper, it was shown that the ordinary semiclassical theory of the absorption of light by exciton states is not completely satisfactory (in contrast to the case of absorption due to interband transitions).
a Quantum-Mechanical Theory of the Contribution of Excitons to the Complex Dielectric Constant of Crystals.
TL;DR: In this article, it was shown that the ordinary semiclassical theory of the absorption of light by exciton states is not completely satisfactory (in contrast to the case of absorption due to interband transitions).
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