Compact Silicon Photonic Grating Coupler With Dual-Taper Partial Overlay Spot-Size Converter

A compact silicon photonic grating coupler enabling fiber-to-chip light coupling at a minimized footprint is proposed. The proposed coupler, which is partially overlaid at the tapered region, downsizes the effective length of the spot-size converter to 60 <italic>&#x03BC;</italic>m w...

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Main Authors: Md. Asaduzzaman, Masuduzzaman Bakaul, Stan Skafidas, Md. Rezwanul Haque Khandokar
Format: Article
Language:English
Published: IEEE 2017-01-01
Series:IEEE Photonics Journal
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Online Access:https://ieeexplore.ieee.org/document/7876822/
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author Md. Asaduzzaman
Masuduzzaman Bakaul
Stan Skafidas
Md. Rezwanul Haque Khandokar
author_facet Md. Asaduzzaman
Masuduzzaman Bakaul
Stan Skafidas
Md. Rezwanul Haque Khandokar
author_sort Md. Asaduzzaman
collection DOAJ
description A compact silicon photonic grating coupler enabling fiber-to-chip light coupling at a minimized footprint is proposed. The proposed coupler, which is partially overlaid at the tapered region, downsizes the effective length of the spot-size converter to 60 <italic>&#x03BC;</italic>m while reducing the lateral height and width adiabatically to 220 nm and 320 nm, respectively. The incorporation of such a coupler in a photonic integrated circuit requires a total physical length and width of 75 <italic>&#x03BC;</italic>m and 14 <italic>&#x03BC;</italic>m, respectively, to enable effective interfacing with single mode fiber. The coupling efficiency and bandwidth of the structure at the light wavelength of 1550 nm are quantified as 68&#x0025; and 67 nm, respectively, which outperform most recent demonstrations.
format Article
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institution Matheson Library
issn 1943-0655
language English
publishDate 2017-01-01
publisher IEEE
record_format Article
series IEEE Photonics Journal
spelling doaj-art-98c39c6e8c7247a589a189a60b067b092025-07-01T23:01:17ZengIEEEIEEE Photonics Journal1943-06552017-01-01921710.1109/JPHOT.2017.26763407876822Compact Silicon Photonic Grating Coupler With Dual-Taper Partial Overlay Spot-Size ConverterMd. Asaduzzaman0Masuduzzaman Bakaul1Stan Skafidas2Md. Rezwanul Haque Khandokar3Department of Electrical and Electronic Engineering, University of Melbourne, Parkville, Vic, AustraliaDepartment of Electrical and Electronic Engineering, University of Melbourne, Parkville, Vic, AustraliaDepartment of Electrical and Electronic Engineering, University of Melbourne, Parkville, Vic, AustraliaDepartment of Electrical and Electronic Engineering, University of Melbourne, Parkville, Vic, AustraliaA compact silicon photonic grating coupler enabling fiber-to-chip light coupling at a minimized footprint is proposed. The proposed coupler, which is partially overlaid at the tapered region, downsizes the effective length of the spot-size converter to 60 <italic>&#x03BC;</italic>m while reducing the lateral height and width adiabatically to 220 nm and 320 nm, respectively. The incorporation of such a coupler in a photonic integrated circuit requires a total physical length and width of 75 <italic>&#x03BC;</italic>m and 14 <italic>&#x03BC;</italic>m, respectively, to enable effective interfacing with single mode fiber. The coupling efficiency and bandwidth of the structure at the light wavelength of 1550 nm are quantified as 68&#x0025; and 67 nm, respectively, which outperform most recent demonstrations.https://ieeexplore.ieee.org/document/7876822/Grating couplerphotonic integrated circuitssilicon photonics
spellingShingle Md. Asaduzzaman
Masuduzzaman Bakaul
Stan Skafidas
Md. Rezwanul Haque Khandokar
Compact Silicon Photonic Grating Coupler With Dual-Taper Partial Overlay Spot-Size Converter
IEEE Photonics Journal
Grating coupler
photonic integrated circuits
silicon photonics
title Compact Silicon Photonic Grating Coupler With Dual-Taper Partial Overlay Spot-Size Converter
title_full Compact Silicon Photonic Grating Coupler With Dual-Taper Partial Overlay Spot-Size Converter
title_fullStr Compact Silicon Photonic Grating Coupler With Dual-Taper Partial Overlay Spot-Size Converter
title_full_unstemmed Compact Silicon Photonic Grating Coupler With Dual-Taper Partial Overlay Spot-Size Converter
title_short Compact Silicon Photonic Grating Coupler With Dual-Taper Partial Overlay Spot-Size Converter
title_sort compact silicon photonic grating coupler with dual taper partial overlay spot size converter
topic Grating coupler
photonic integrated circuits
silicon photonics
url https://ieeexplore.ieee.org/document/7876822/
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AT stanskafidas compactsiliconphotonicgratingcouplerwithdualtaperpartialoverlayspotsizeconverter
AT mdrezwanulhaquekhandokar compactsiliconphotonicgratingcouplerwithdualtaperpartialoverlayspotsizeconverter