What question did this study set out to answer?

The aim is to evaluate the performance of multilayer diffraction structures as optical spectral filters.

February 22, 2026Bulletin of the Russian Academy of Sciences Physics0 citations

Electrically Controlled Optical Spectral Filter for Dense Wavelength Division Multiplexing Communication Systems Based on Chirped Multilayer Diffraction Polymer-Dispersed Liquid Crystal Structures

DRD. S. Rastrygin DCD. M. Chubarov YAY. A. Altukhov

Key Points

The aim is to evaluate the performance of multilayer diffraction structures as optical spectral filters.
Developed a theoretical model for light diffraction on multilayer inhomogeneous structures.
Performed numerical simulations to assess diffraction characteristics of the structures.
Analyzed the effectiveness of polymer-dispersed liquid crystals in communication systems.
The structures demonstrate promising optical filtering capabilities.
Results can guide the advancement of spectral filters for communication technologies.

Abstract

We have presented a theoretical model of light diffraction on multilayer inhomogeneous holographic diffraction structures formed in polymer-dispersed nematic liquid crystals with a spatially varying period. Numerical simulation of the diffraction characteristics of such structures was performed to evaluate their performance as optical spectral filters for dense wavelength division multiplexing communication systems. The results obtained can serve as a basis for the further development of spectral filters.

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