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JOURNALS // Zhurnal Vychislitel'noi Matematiki i Matematicheskoi Fiziki // Archive

Zh. Vychisl. Mat. Mat. Fiz., 2023 Volume 63, Number 6, Pages 1040–1058 (Mi zvmmf11578)

Mathematical physics

The method of optical paths for the numerical solution of integrated photonics problems

A. A. Belovab, Zh. O. Dombrovskayaa

a Moscow State University, 119991, Moscow, Russia
b Peoples’ Friendship University of Russia (RUDN University), 117198, Moscow, Russia

Abstract: A number of topical problems of integrated photonics are reduced to oblique incidence of radiation on a plane-parallel scatterer. For such problems, a method for integrating Maxwell’s equations along the direction of beam propagation is proposed. As a result, the original two-dimensional problem is reduced to a one-dimensional problem, and it is solved using recently proposed one-dimensional bicompact schemes. This significantly reduces the computational cost compared with the conventional two-dimensional finite difference and finite element methods. The proposed method is verified by solving test problems for which exact solutions are known.

Key words: Maxwell’s equations, bicompact schemes, stratified media, interface conditions, material dispersion.

UDC: 519.6

Received: 08.11.2022
Revised: 08.11.2022
Accepted: 02.03.2023

DOI: 10.31857/S0044466923060042


 English version:
Computational Mathematics and Mathematical Physics, 2023, 63:6, 1137–1154

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© Steklov Math. Inst. of RAS, 2024