Analysis of nonlinear parity-time symmetric four-layer Bragg grating

• Autorzy: Witoński Piotr , Mossakowska-Wyszyńska Agnieszka

Identyfikatory

DOI

10.37190/oa220301

• Języki publikacji: EN

Abstrakty

EN

The one dimensional PT (parity time) symmetric four-layer Bragg grating with gain and loss saturation effects is analyzed taking into account the evolution of the field amplitudes. The investigated structure has modulated real and imaginary parts of refractive index. The functional configurations of the Bragg grating have been considered, showing the behavior of this structure acting as a discrete device and as a component of an integrated circuit. The obtained characteristics illustrate the influence of the saturation effect on the intensity of the output wave at a given intensity of the incident plane wave for different values of gain and loss saturation intensities of the PT structure. The performed analysis shows the bistability of the structure and a strong influence of the incident wave intensity on the properties of light propagation nonreciprocity.

Słowa kluczowe

EN

integrated optics; nonlinear optics; Bragg grating; parity time

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2022
• Tom: Vol. 52, nr 3
• Strony: 329--344
• Opis fizyczny: Bibliogr. 19 poz., rys., tab.

Twórcy

autor

Witoński Piotr

• Institute of Microelectronics and Optoelectronics, Warsaw University of Technology, Koszykowa 75, 00-662 Warsaw, Poland

autor

Mossakowska-Wyszyńska Agnieszka

• Institute of Microelectronics and Optoelectronics, Warsaw University of Technology, Koszykowa 75, 00-662 Warsaw, Poland

Bibliografia

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