Design and performance analysis of rare-earth doped fibres with modified silica host

In this study, design and characterization processes of rare- earth doped fibres with modified Silica host have been investigated. A Ga co-doped Erbium doped fibre was fabricated and its performance was analysed concentrating on absorption spectrum, ASE spectra and fluorescence lifetime. Then the fa...

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Main Author: Dissanayake, Kasun Prabuddha Wasantha
Format: Thesis
Published: 2015
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spelling my-mmu-ep.63712016-10-19T09:55:24Z Design and performance analysis of rare-earth doped fibres with modified silica host 2015-10 Dissanayake, Kasun Prabuddha Wasantha TK5101-6720 Telecommunication. Including telegraphy, telephone, radio, radar, television In this study, design and characterization processes of rare- earth doped fibres with modified Silica host have been investigated. A Ga co-doped Erbium doped fibre was fabricated and its performance was analysed concentrating on absorption spectrum, ASE spectra and fluorescence lifetime. Then the fabricated Ga co-doped EDF was incorporated in an EDFA operated in the Conventional Erbium Window. A 980 nm backward pumping scheme was used to characterize the amplifier. Design phase of the EDF was carried out based on the spectroscopic data of commercially fabricated “Leikki” EDF. An Al co-doped Thulium doped fibre was designed giving preference to concentration of modifying oxides and waveguide parameters. The fabricated Al co-doped TDF was characterized for fluorescence lifetime, absorption and emission spectra. Design considerations of two TDFAs are also discussed in this study. Gain and noise figure characteristics of an Al co-doped TDFA were numerically simulated for two optical communication bands. Short wavelength band (S band) and New band (Ultra long wavelength band above 1600 nm) were considered in this context. 2015-10 Thesis http://shdl.mmu.edu.my/6371/ http://library.mmu.edu.my/diglib/onlinedb/dig_lib.php masters Multimedia University Faculty of Engineering
institution Multimedia University
collection MMU Institutional Repository
topic TK5101-6720 Telecommunication
Including telegraphy, telephone, radio, radar, television
spellingShingle TK5101-6720 Telecommunication
Including telegraphy, telephone, radio, radar, television
Dissanayake, Kasun Prabuddha Wasantha
Design and performance analysis of rare-earth doped fibres with modified silica host
description In this study, design and characterization processes of rare- earth doped fibres with modified Silica host have been investigated. A Ga co-doped Erbium doped fibre was fabricated and its performance was analysed concentrating on absorption spectrum, ASE spectra and fluorescence lifetime. Then the fabricated Ga co-doped EDF was incorporated in an EDFA operated in the Conventional Erbium Window. A 980 nm backward pumping scheme was used to characterize the amplifier. Design phase of the EDF was carried out based on the spectroscopic data of commercially fabricated “Leikki” EDF. An Al co-doped Thulium doped fibre was designed giving preference to concentration of modifying oxides and waveguide parameters. The fabricated Al co-doped TDF was characterized for fluorescence lifetime, absorption and emission spectra. Design considerations of two TDFAs are also discussed in this study. Gain and noise figure characteristics of an Al co-doped TDFA were numerically simulated for two optical communication bands. Short wavelength band (S band) and New band (Ultra long wavelength band above 1600 nm) were considered in this context.
format Thesis
qualification_level Master's degree
author Dissanayake, Kasun Prabuddha Wasantha
author_facet Dissanayake, Kasun Prabuddha Wasantha
author_sort Dissanayake, Kasun Prabuddha Wasantha
title Design and performance analysis of rare-earth doped fibres with modified silica host
title_short Design and performance analysis of rare-earth doped fibres with modified silica host
title_full Design and performance analysis of rare-earth doped fibres with modified silica host
title_fullStr Design and performance analysis of rare-earth doped fibres with modified silica host
title_full_unstemmed Design and performance analysis of rare-earth doped fibres with modified silica host
title_sort design and performance analysis of rare-earth doped fibres with modified silica host
granting_institution Multimedia University
granting_department Faculty of Engineering
publishDate 2015
_version_ 1747829636524408832