A T-branch diplexer based on directional couplers and resonant cavities in photonic crystal

A T-branch diplexer based on directional couplers and resonant cavities in photonic crystal

In this paper a T-branch optical diplexer in two dimensional (2D) photonic crystal (PhC) to select two telecommunication wavelengths 1493.6nm and1553nm is investigated. In our design directional couplers (DC) and resonant cavity (RC) are utilized. A square lattice of silicon (Si) rods in air is used...

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Main Authors: Labbani Amel, MoumenisImene, Bounaas Faiza
Format: Article
Language:English
Published: EDP Sciences 2019-01-01
Series:MATEC Web of Conferences
Online Access:https://www.matec-conferences.org/articles/matecconf/pdf/2019/41/matecconf_cscc2019_02002.pdf
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spelling doaj-3d610b6e002847bf910fe655f65d83b12021-02-02T07:04:53ZengEDP SciencesMATEC Web of Conferences2261-236X2019-01-012920200210.1051/matecconf/201929202002matecconf_cscc2019_02002A T-branch diplexer based on directional couplers and resonant cavities in photonic crystalLabbani Amel0MoumenisImene1Bounaas Faiza21Laboratory of Hyperfrequency and Semiconductors (L.H.S), Department of Electronics, Faculty of Technology and Sciences, University of Mentouri brothers Constantine 11Laboratory of Hyperfrequency and Semiconductors (L.H.S), Department of Electronics, Faculty of Technology and Sciences, University of Mentouri brothers Constantine 11Laboratory of Hyperfrequency and Semiconductors (L.H.S), Department of Electronics, Faculty of Technology and Sciences, University of Mentouri brothers Constantine 1In this paper a T-branch optical diplexer in two dimensional (2D) photonic crystal (PhC) to select two telecommunication wavelengths 1493.6nm and1553nm is investigated. In our design directional couplers (DC) and resonant cavity (RC) are utilized. A square lattice of silicon (Si) rods in air is used as fundamental structure. The coupling regions consist of three entire rows of decreased Si rods. Plane wave expansion method (PWE) and finite difference time domain (FDTD) method are utilized to analyze and simulate the characteristics of the designed device. The average transmission efficiency of our proposed diplexer is about 99.75%. High quality factor and extremely small crosstalk were achieved. The total size of the suggested design is 272.214 μm2, which is very suitable for nanotechnology based demultiplexing applications.https://www.matec-conferences.org/articles/matecconf/pdf/2019/41/matecconf_cscc2019_02002.pdf
collection DOAJ
language English
format Article
sources DOAJ
author Labbani Amel
MoumenisImene
Bounaas Faiza
spellingShingle Labbani Amel
MoumenisImene
Bounaas Faiza
A T-branch diplexer based on directional couplers and resonant cavities in photonic crystal
MATEC Web of Conferences
author_facet Labbani Amel
MoumenisImene
Bounaas Faiza
author_sort Labbani Amel
title A T-branch diplexer based on directional couplers and resonant cavities in photonic crystal
title_short A T-branch diplexer based on directional couplers and resonant cavities in photonic crystal
title_full A T-branch diplexer based on directional couplers and resonant cavities in photonic crystal
title_fullStr A T-branch diplexer based on directional couplers and resonant cavities in photonic crystal
title_full_unstemmed A T-branch diplexer based on directional couplers and resonant cavities in photonic crystal
title_sort t-branch diplexer based on directional couplers and resonant cavities in photonic crystal
publisher EDP Sciences
series MATEC Web of Conferences
issn 2261-236X
publishDate 2019-01-01
description In this paper a T-branch optical diplexer in two dimensional (2D) photonic crystal (PhC) to select two telecommunication wavelengths 1493.6nm and1553nm is investigated. In our design directional couplers (DC) and resonant cavity (RC) are utilized. A square lattice of silicon (Si) rods in air is used as fundamental structure. The coupling regions consist of three entire rows of decreased Si rods. Plane wave expansion method (PWE) and finite difference time domain (FDTD) method are utilized to analyze and simulate the characteristics of the designed device. The average transmission efficiency of our proposed diplexer is about 99.75%. High quality factor and extremely small crosstalk were achieved. The total size of the suggested design is 272.214 μm2, which is very suitable for nanotechnology based demultiplexing applications.
url https://www.matec-conferences.org/articles/matecconf/pdf/2019/41/matecconf_cscc2019_02002.pdf
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AT moumenisimene tbranchdiplexerbasedondirectionalcouplersandresonantcavitiesinphotoniccrystal
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