A Photonic 1 × 4 Power Splitter Based on Multimode Interference in Silicon–Gallium-Nitride Slot Waveguide Structures

In this paper, a design for a 1 × 4 optical power splitter based on the multimode interference (MMI) coupler in a silicon (Si)–gallium nitride (GaN) slot waveguide structure is presented—to our knowledge, for the first time. Si and GaN were found as suitable materials for the slot waveguide structur...

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Detalles Bibliográficos
Autores principales: Malka, Dror, Danan, Yossef, Ramon, Yehonatan, Zalevsky, Zeev
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2016
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5456935/
https://www.ncbi.nlm.nih.gov/pubmed/28773638
http://dx.doi.org/10.3390/ma9070516
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author Malka, Dror
Danan, Yossef
Ramon, Yehonatan
Zalevsky, Zeev
author_facet Malka, Dror
Danan, Yossef
Ramon, Yehonatan
Zalevsky, Zeev
author_sort Malka, Dror
collection PubMed
description In this paper, a design for a 1 × 4 optical power splitter based on the multimode interference (MMI) coupler in a silicon (Si)–gallium nitride (GaN) slot waveguide structure is presented—to our knowledge, for the first time. Si and GaN were found as suitable materials for the slot waveguide structure. Numerical optimizations were carried out on the device parameters using the full vectorial-beam propagation method (FV-BPM). Simulation results show that the proposed device can be useful to divide optical signal energy uniformly in the C-band range (1530–1565 nm) into four output ports with low insertion losses (0.07 dB).
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spelling pubmed-54569352017-07-28 A Photonic 1 × 4 Power Splitter Based on Multimode Interference in Silicon–Gallium-Nitride Slot Waveguide Structures Malka, Dror Danan, Yossef Ramon, Yehonatan Zalevsky, Zeev Materials (Basel) Article In this paper, a design for a 1 × 4 optical power splitter based on the multimode interference (MMI) coupler in a silicon (Si)–gallium nitride (GaN) slot waveguide structure is presented—to our knowledge, for the first time. Si and GaN were found as suitable materials for the slot waveguide structure. Numerical optimizations were carried out on the device parameters using the full vectorial-beam propagation method (FV-BPM). Simulation results show that the proposed device can be useful to divide optical signal energy uniformly in the C-band range (1530–1565 nm) into four output ports with low insertion losses (0.07 dB). MDPI 2016-06-25 /pmc/articles/PMC5456935/ /pubmed/28773638 http://dx.doi.org/10.3390/ma9070516 Text en © 2016 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC-BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Malka, Dror
Danan, Yossef
Ramon, Yehonatan
Zalevsky, Zeev
A Photonic 1 × 4 Power Splitter Based on Multimode Interference in Silicon–Gallium-Nitride Slot Waveguide Structures
title A Photonic 1 × 4 Power Splitter Based on Multimode Interference in Silicon–Gallium-Nitride Slot Waveguide Structures
title_full A Photonic 1 × 4 Power Splitter Based on Multimode Interference in Silicon–Gallium-Nitride Slot Waveguide Structures
title_fullStr A Photonic 1 × 4 Power Splitter Based on Multimode Interference in Silicon–Gallium-Nitride Slot Waveguide Structures
title_full_unstemmed A Photonic 1 × 4 Power Splitter Based on Multimode Interference in Silicon–Gallium-Nitride Slot Waveguide Structures
title_short A Photonic 1 × 4 Power Splitter Based on Multimode Interference in Silicon–Gallium-Nitride Slot Waveguide Structures
title_sort photonic 1 × 4 power splitter based on multimode interference in silicon–gallium-nitride slot waveguide structures
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5456935/
https://www.ncbi.nlm.nih.gov/pubmed/28773638
http://dx.doi.org/10.3390/ma9070516
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