Multilevel asymmetric coupler MAC polarization beam splitter for Si photonics technology

In this work, we present a new design of an integrated optical polarization beam splitter using the Multilevel Asymmetric Coupler MAC structure. The proposed structure is using CMOS compatible Si/SiO2 technology. The structure is tested using the Finite Difference Time Domain FDTD technique and show...

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Main Authors: Salwa El-Sabban, Diaa Khalil
Format: Article
Language:English
Published: Elsevier 2024-05-01
Series:Results in Optics
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2666950124000348
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author Salwa El-Sabban
Diaa Khalil
author_facet Salwa El-Sabban
Diaa Khalil
author_sort Salwa El-Sabban
collection DOAJ
description In this work, we present a new design of an integrated optical polarization beam splitter using the Multilevel Asymmetric Coupler MAC structure. The proposed structure is using CMOS compatible Si/SiO2 technology. The structure is tested using the Finite Difference Time Domain FDTD technique and showed a very good performance. The compromise between the structure footprint on Si and its performance is also investigated. The structure can offer an Extinction Ratio ER greater than 40 dB with a length of 5 µm. It can also be designed with a smaller length of only 2 µm but in this case its ER will be only 20 dB. It has a bandwidth of about 60 nm in which the insertion loss is less than 0.003 dB for the TE wave and less than 0.2 dB for the TM wave.
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spelling doaj.art-5aab7e6e3e12432e93147589c353560b2024-04-11T04:42:04ZengElsevierResults in Optics2666-95012024-05-0115100637Multilevel asymmetric coupler MAC polarization beam splitter for Si photonics technologySalwa El-Sabban0Diaa Khalil1Helwan University, Faculty of Engineering, Electronics and Communication Engineering Department, 1 Sherif St., Helwan, Cairo 11792, Egypt; Corresponding author.Ain Shams University, Faculty of Engineering, Electronics and Communication Engineering Department, 1 Elsarayat St., Abbassia, Cairo 11517, EgyptIn this work, we present a new design of an integrated optical polarization beam splitter using the Multilevel Asymmetric Coupler MAC structure. The proposed structure is using CMOS compatible Si/SiO2 technology. The structure is tested using the Finite Difference Time Domain FDTD technique and showed a very good performance. The compromise between the structure footprint on Si and its performance is also investigated. The structure can offer an Extinction Ratio ER greater than 40 dB with a length of 5 µm. It can also be designed with a smaller length of only 2 µm but in this case its ER will be only 20 dB. It has a bandwidth of about 60 nm in which the insertion loss is less than 0.003 dB for the TE wave and less than 0.2 dB for the TM wave.http://www.sciencedirect.com/science/article/pii/S2666950124000348Integrated opticsPolarization beam splitterSilicon photonicsAsymmetric directional coupler
spellingShingle Salwa El-Sabban
Diaa Khalil
Multilevel asymmetric coupler MAC polarization beam splitter for Si photonics technology
Results in Optics
Integrated optics
Polarization beam splitter
Silicon photonics
Asymmetric directional coupler
title Multilevel asymmetric coupler MAC polarization beam splitter for Si photonics technology
title_full Multilevel asymmetric coupler MAC polarization beam splitter for Si photonics technology
title_fullStr Multilevel asymmetric coupler MAC polarization beam splitter for Si photonics technology
title_full_unstemmed Multilevel asymmetric coupler MAC polarization beam splitter for Si photonics technology
title_short Multilevel asymmetric coupler MAC polarization beam splitter for Si photonics technology
title_sort multilevel asymmetric coupler mac polarization beam splitter for si photonics technology
topic Integrated optics
Polarization beam splitter
Silicon photonics
Asymmetric directional coupler
url http://www.sciencedirect.com/science/article/pii/S2666950124000348
work_keys_str_mv AT salwaelsabban multilevelasymmetriccouplermacpolarizationbeamsplitterforsiphotonicstechnology
AT diaakhalil multilevelasymmetriccouplermacpolarizationbeamsplitterforsiphotonicstechnology