Propagation dynamics of chirped Pearcey-Gaussian beam in fractional Schrödinger equation under Gaussian potential

Gao, Ru; Ren, Shumin; Guo, Teng; Wang, Pengxiang; Yan, Xiaona

doi:10.1016/j.ijleo.2022.168661

Cited by 6 publications

(2 citation statements)

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“…Where the spacing △x between the samples of the field values is calculated from equation (2). △x = L⧸N (2) ′′ L ′′ being the length of the computational region along the x-axis .the variable of the DF T (the transverse wavenumber) K x,m is given by equation (3).…”

Section: Theoretical Backgroundmentioning

confidence: 99%

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Optimized Optical Splitter Demultiplexing basedon light Beam Incidence on a CorrugatedInterface and Beam Propagation Method (BPM)

Aboshosha,

Eltokhy,

Nagy

et al. 2024

Preprint

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In this research, we investigate the segregation of Gaussian light beam wavelengths using corrugated triangular wave-index interfaces with the beam propagation method (BPM). We present a novel approach for optical wavelength demultiplexing (DEMUX) utilizing the Goos-Haenchen (GH) shift and continuous refraction at the interface. By exploiting wavelength-dependent lateral shifts (GH shifts), reflected beams achieve spatial beam separation. Light beams exhibit distinctive "turning points" in the medium, resulting in spatially separated "back-refracted" beams. Meta-heuristics were employed to optimize operational parameters for this demultiplexing optical splitter, enabling its application in "corrugated triangular wave-index integrated-optics" structures within optical fiber networks. Artificial Intelligence (AI) in conjunction with an Ant Colony (AC) was utilized for optimal beam incidence. Findings suggest improved demultiplexer performance with three media compared to two media for 2 and multi-wavelength demultiplexing, highlighting a significant academic contribution of this study.

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Section: Theoretical Backgroundmentioning

confidence: 99%

“…This deviation, known as non-specular shifts, has been studied by researchers from the early 20th century to the present day [2]. Various practical applications built on these shifts have proven to be highly intriguing [3].…”

mentioning

confidence: 99%