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Related papers: Magnetooptical Properties of Rydberg Excitons - Ce…

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We show how to compute the electrooptical functions (absorption, reflection, and transmission) when Rydberg Excitons appear, including the effect of the coherence between the electron-hole pair and the electromagnetic field. With the use of…

Mesoscale and Nanoscale Physics · Physics 2016-07-27 Sylwia Zielińska-Raczyńska , David Ziemkiewicz , Gerard Czajkowski

We show how to compute the optical functions when Rydberg Excitons appear, including the effect of the coherence between the electron-hole pair and the electromagnetic field. We use the Real Density Matrix Approach (RDMA), which, combined…

Mesoscale and Nanoscale Physics · Physics 2016-03-02 Sylwia Zielińska-Raczyńska , Gerard Czajkowski , David Ziemkiewicz

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…

Mesoscale and Nanoscale Physics · Physics 2019-07-03 Sylwia Zielińska-Raczyńska , Gerard Czajkowski , Karol Karpiński , David Ziemkiewicz

Combining the microscopic calculation of superlattice minibands and the macroscopic real density matrix approach one can obtain electric susceptibilities of the superlattice system irradiated by an electromagnetical wave. It is shown how to…

We present the analytical method enables one to compute the optical functions i.e., reflectivity, transmission and absorption including the excitonic effects for a semiconductor crystal exposed to a uniform electric field for energy region…

Mesoscale and Nanoscale Physics · Physics 2018-04-25 Sylwia Zielińska-Raczyńska , David Ziemkiewicz , Gerard Czajkowski

We propose a scheme for calculation of optical functions of a semiconductor with Rydberg excitons, for a wide interval of dimensions. We start with 2-dimensional structure, then going to thin films and ending on 3-dimensional bulk crystals.…

Mesoscale and Nanoscale Physics · Physics 2020-05-13 David Ziemkiewicz , Karol Karpiński , Sylwia Zielińska-Raczyńska , Gerard Czajkowski

We theoretically investigate exciton-polaritons in a two-dimensional (2D) semiconductor heterostructure, where a static magnetic field is applied perpendicular to the plane. To explore the interplay between magnetic field and a strong…

Mesoscale and Nanoscale Physics · Physics 2024-12-12 Emma Laird , Francesca M. Marchetti , Dmitry K. Efimkin , Meera M. Parish , Jesper Levinsen

We present theoretical approach that allows for calculation of optical functions for Cu$_2$O Quantum Well (QW) with Rydberg excitons in an external magnetic field of an arbitrary field strength. Both Faraday and Voigt configurations are…

Mesoscale and Nanoscale Physics · Physics 2021-01-27 David Ziemkiewicz , Gerard Czajkowski , Karol Karpiński , Sylwia Zielińska-Raczyńska

We show how to calculate the optical functions of a nanoplatelet, taking into account the effect of a dielectric confinement on excitonic states. Real density matrix approach is employed to obtain analytical and semi-analytical relations…

We present theoretical results of the calculations of optical functions for Cu$_2$O quantum well (QW) with Rydberg excitons in an external homogeneous electric field of an arbitrary field strength. Two configurations of an external electric…

Mesoscale and Nanoscale Physics · Physics 2021-09-01 David Ziemkiewicz , Gerard Czajkowski , Karol Karpiński , Sylwia Zielińska - Raczyńska

Excitons in diluted magnetic semiconductors represent excellent probes for studying the magnetic properties of these materials. Various magneto-optical effects, which depend sensitively on the exchange interaction of the excitons with the…

Magneto-optic behaviour is a specific, non-reciprocal example of gyrotropic behaviour. When coupled to photo-induced Faraday rotation it is possible to discriminate this effect from the background of other nonlinear effects Non-reciprocal…

Soft Condensed Matter · Physics 2007-05-23 Allan D. Boardman , Larry Velasco , Peter Egan

Excitons, composite electron-hole quasiparticles, are known to play an important role in optoelectronic phenomena in many semiconducting materials. Recent experiments and theory indicate that the band-gap optics of the newly discovered…

Mesoscale and Nanoscale Physics · Physics 2015-09-02 Yuri N. Gartstein , Xiao Li , Chuanwei Zhang

We report on significant enhancement of the magnetooptical effects in gyrotropic systems of a metallic film perforated by subwavelength hole arrays and a uniform dielectric film magnetized perpendicular to its plane. Calculations, based on…

Materials Science · Physics 2015-06-25 V. I. Belotelov , L. L. Doskolovich , A. K. Zvezdin

The magneto-optical response of monolayer transition metal dichalcogenides (TMDs), including excitonic effects, is studied using a nanoribbon geometry. We compute the diagonal optical conductivity and the Hall conductivity. Comparing the…

Mesoscale and Nanoscale Physics · Physics 2019-07-24 J. Have , N. M. R. Peres , T. G. Pedersen

A combined scattering mechanism involving the states of free electron-hole pairs (exciton continuum) and discrete excitons as intermediate states in the multi-phonon Raman scattering leads to (1) a strong increase of the scattering…

Condensed Matter · Physics 2009-10-28 I. G. Lang , A. V. Prokhorov , M. Cardona , V. I. Belitsky , A. Cantarero , S. T. Pavlov

Basing on recent reliable measurements of the life- and coherence time of Cu$_2$O Rydberg excitons, we present an analytical method which enables to describe the experimental results. The real-density matrix approach (RDMA) is applied to…

Mesoscale and Nanoscale Physics · Physics 2025-06-25 Karol Karpinski , Gerard Czajkowski

Manifestation of chiral excitons on surfaces of topological insulator thin film with magnetically induced energy gap in the surface spectrum in magnetooptical Kerr and Faraday effects is analyzes. Excitonic contribution to a surface optical…

Mesoscale and Nanoscale Physics · Physics 2013-08-14 D. K. Efimkin , Yu. E. Lozovik

The magnetic field dependence of photoabsorption provides direct insights into the band structure of semiconductors. It is perhaps surprising that there is a large discrepancy between electron, hole, and reduced mass reported in the recent…

Mesoscale and Nanoscale Physics · Physics 2025-01-22 Jack N. Engdahl , Harley D. Scammell , Dmitry K. Efimkin , Oleg P. Sushkov

We explore the electrodynamic coupling between a plane wave and an infinite two-dimensional periodic lattice of magneto-electric point scatterers, deriving a semi-analytical theory with consistent treatment of radiation damping,…

Optics · Physics 2013-12-16 Per Lunnemann , Ivana Sersic , A. Femius Koenderink
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