[HTML][HTML] A Study of a Silicon Quasi-Periodic Segmented Waveguide

MTAB Segundo, JP Silva - Journal of Microwaves, Optoelectronics …, 2023 - SciELO Brasil
… This paper presents a study of a segmented waveguide where … core boundaries of the
waveguide. This phenomenon normally … Kevorkian, “Asymmetric directional coupler filters using …

[PDF][PDF] Simulating the effects of refractive index difference on the coupling efficiency of periodically segmented waveguide mode converter

Y Zheng, H He, L Jiang, J Duan - Optica Applicata, 2021 - bibliotekanauki.pl
… Efficient coupling of micro/nano-optical waveguides with single-mode fibers is the … of
periodically segmented waveguide (PSW) structure used for high-efficiency fiber-chip coupling are …

Segmented design and control in contra-directional coupler for large bandwidth tunability

L Tunesi, MA Mahdian, A Carena… - … and Materials XXI, 2024 - spiedigitallibrary.org
… photonic Grating-Assisted Contra-Directional Couplers. The proposed device has been …
two waveguide system, by adding a periodic perturbation of the waveguides widths we can …

Analysis of tilted subwavelength periodical waveguides: polarization effects

AJRF de Oliveira Barros… - … , Optics, Thin Films …, 2020 - spiedigitallibrary.org
… obtained when subwavelength waveguides are used on … analyze a tilted silicon-on-insulator
periodically segmented … “Coupling properties of directional couplers based on special …

Metamaterials in waveguide to fiber couplers

P Lourenço, A Fantoni, J Costa… - … and Simulation of …, 2022 - spiedigitallibrary.org
… is simulated through adequate numerical methods and its … With our proposed inverted taper
waveguide, we were able … the waveguide mode wavenumber and the periodic perturbation …

Mode Size Converter Based on Periodically Segmented Liquid Crystal Core Waveguide

V Sharma, A Sinha, MR Shenoy - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
… We have designed and fabricated a periodically segmented liquid crystal core waveguide
(LC-PSW) based mode size convertor using the 5CB nematic LC. The numerical and …

Polarization effects analysis in tilted subwavelength periodical waveguides

A dos Santos Reis… - … , Optics, Thin Films …, 2021 - spiedigitallibrary.org
Segmented periodic waveguides (SWG) have been … to numerically analyze a new type of
nanowire waveguide, based … , L., “Coupling properties of directional couplers based on special …

[HTML][HTML] Multifunctional on-chip directional coupler for spectral and polarimetric routing of Bloch surface wave

X Lei, R Wang, L Liu, C Xu, A Wu, Q Zhan - Nanophotonics, 2022 - degruyter.com
… between a truncated periodic dielectric multilayer and a … The segmented diagram of
coupling efficiency varying on w … Different with the directional coupling of SPPs or waveguides […

Design and optimization of a waveguide/fibre coupler in the visible range

P Lourenço, A Fantoni, J Costa… - … and Simulation of …, 2021 - spiedigitallibrary.org
… the waveguide mode wavenumber and the periodic perturbation introduced by the grating:
… of a waveguide/fibre coupler regarding its efficiency, through numerical methods. The …

[HTML][HTML] Grating couplers on silicon photonics: Design principles, emerging trends and practical issues

L Cheng, S Mao, Z Li, Y Han, HY Fu - Micromachines, 2020 - mdpi.com
… For the bi-directional propagation nature of perfectly … bi-directional coupling to two waveguides
[25,27] while others add reflective structure to enhance coupling for only one direction [21,…