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arXiv · 1904.02959

Nonlinear Optical Properties and Self-Kerr Effect of Rydberg Excitons in Cu$_2$O

Sylwia Zielińska-Raczyńska·Gerard Czajkowski·Karol Karpiński·David Ziemkiewicz
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Abstract

We show how to compute the nonlinear optical functions (absorption, reflection, and transmission) for a medium with Rydberg excitons, including the effect of the coherence between the electron-hole pair and the electromagnetic field. Using the Real Density Matrix Approach the analytical expressions for nonlinear optical functions are obtained and numerical calculations for Cu$_2$0 crystal are performed. We report a good agreement with recently published experimental data. Propagation of the electromagnetic waves in Rydberg excitons media with nonliner effect is also discussed and the possibility of obtainig self-phase modulation due to Kerr nonlinearity is investigated.

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Sylwia Zielińska-Raczyńska, Gerard Czajkowski, Karol Karpiński, David Ziemkiewicz. 2019-04-05. Nonlinear Optical Properties and Self-Kerr Effect of Rydberg Excitons in Cu$_2$O. https://doi.org/10.1103/physrevb.99.245206

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