Dr. Ewa Weinert-Raczka Profile

Dr. Ewa Weinert-Raczka

Assistant Professor at Szczecin Univ of Technology

SPIE Involvement:

Author

Publications (5)

Proceedings Article | 15 March 2019 Paper

Analysis of the space-charge field in photorefractive multiple quantum well structures under a moving gratings for a variable trapping coefficient

Blazej Jablonski, Andrzej Ziółkowski, Marek Wichtowski, Ewa Weinert-Rączka

Proceedings Volume 11045, 110450Q (2019) https://doi.org/10.1117/12.2520352

KEYWORDS: Electrons, Quantum wells, Gallium arsenide, Two wave mixing, Absorption, Phase shifts, Numerical analysis, Electron transport

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Proceedings Article | 6 October 2005 Paper

Nonlinear response of photorefractive multiple quantum well layer

Andrzej Ziółkowski, Ewa Weinert-Rączka

Proceedings Volume 5949, 59491W (2005) https://doi.org/10.1117/12.626102

KEYWORDS: Quantum wells, Diffusion, Gaussian beams, Neodymium, Nonlinear response, Nonlinear optics, Waveguides, Beam propagation method, Solids, Electro optical modeling

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Proceedings Article | 5 October 2005 Paper

Discrete solitons in optically induced lattice in photorefractive media with a quadratic electrooptic effect

Grzegorz Staroń, Ewa Weinert-Rączka

Proceedings Volume 5949, 59490Q (2005) https://doi.org/10.1117/12.623334

KEYWORDS: Waveguides, Beam propagation method, Refractive index, Solitons, Wave propagation, Electro optics, Nonlinear optics, Light wave propagation, Neodymium, Diffraction

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Proceedings Article | 5 October 2005 Paper

The influence of nonlinear electron transport on photorefractive properties of semi-insulating multiple quantum well structure

Ewa Weinert-Raczka, Marek Wichtowski

Proceedings Volume 5949, 594904 (2005) https://doi.org/10.1117/12.626095

KEYWORDS: Electron transport, Quantum wells, Diffusion, Performance modeling, Dielectric relaxation, Electro optical modeling, Photorefraction, Bismuth, Rhodium, Absorption

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Proceedings Article | 25 August 1994 Paper

Directional coupler with optically induced grating

Ewa Weinert-Raczka

Proceedings Volume 2212, (1994) https://doi.org/10.1117/12.185123

KEYWORDS: Waveguides, Wave propagation, Liquid crystals, Directional couplers, Diffraction gratings, Dielectrics, Switching, Quantum wells, Diffusion, Absorption

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