Stable multiwavelength erbium-doped random fiber laser

Multiwavelength fiber lasers which consist of equally-spaced frequency components have found many applications and that includes as light sources for optical communication systems. One of the techniques available to generate such multiple wavelengths is random fiber lasers. Despite simplicity in str...

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Main Author: Saleh, Suhairie
Format: Thesis
Language:English
English
English
Published: 2019
Subjects:
Online Access:http://eprints.uthm.edu.my/672/1/24p%20SUHAIRE%20SALEH.pdf
http://eprints.uthm.edu.my/672/2/SUHAIRE%20SALEH%20COPYRIGHT%20DECLARATION.pdf
http://eprints.uthm.edu.my/672/3/SUHAIRE%20SALEH%20WATERMARK.pdf
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spelling my-uthm-ep.6722021-08-19T05:56:18Z Stable multiwavelength erbium-doped random fiber laser 2019-06 Saleh, Suhairie TK5101-6720 Telecommunication. Including telegraphy, telephone, radio, radar, television Multiwavelength fiber lasers which consist of equally-spaced frequency components have found many applications and that includes as light sources for optical communication systems. One of the techniques available to generate such multiple wavelengths is random fiber lasers. Despite simplicity in structure due to the avoidance of mirrors in random fiber lasers, the number of comb lines generated is rather limited with only four comb lines are generated within 3 dB flatness at the 60 mW pump power. In optical communication systems, such a limitation in the comb lines could be a hindrance for the attainment of high-speed data communication due to the lack of light sources. Aspired to solve the problems and bring random multiwavelength to new heights, performances of multiwavelength random fiber lasers are improved in this thesis work. Based on the random Rayleigh scattered feedback of a 25 km long single-mode optical fiber, multiwavelength lasers are successfully generated. The linear cavity in which one end is formed by a mirror and the other end by the random Rayleigh scattered feedback is able to generate 27 laser lines within 3 dB flatness at the pump power of 350 mW. In addition, the laser lines generated are also stable with power fluctuations less than 0.6 dB over an hour duration. All in all, the study in this work is found to be effective in elevating the performances of multiwavelength random fiber lasers to further heights. 2019-06 Thesis http://eprints.uthm.edu.my/672/ http://eprints.uthm.edu.my/672/1/24p%20SUHAIRE%20SALEH.pdf text en public http://eprints.uthm.edu.my/672/2/SUHAIRE%20SALEH%20COPYRIGHT%20DECLARATION.pdf text en validuser http://eprints.uthm.edu.my/672/3/SUHAIRE%20SALEH%20WATERMARK.pdf text en validuser mphil masters Universiti Tun Hussein Onn Malaysia Fakulti Kejuruteraan Elektrik dan Elektronik
institution Universiti Tun Hussein Onn Malaysia
collection UTHM Institutional Repository
language English
English
English
topic TK5101-6720 Telecommunication
Including telegraphy, telephone, radio, radar, television
spellingShingle TK5101-6720 Telecommunication
Including telegraphy, telephone, radio, radar, television
Saleh, Suhairie
Stable multiwavelength erbium-doped random fiber laser
description Multiwavelength fiber lasers which consist of equally-spaced frequency components have found many applications and that includes as light sources for optical communication systems. One of the techniques available to generate such multiple wavelengths is random fiber lasers. Despite simplicity in structure due to the avoidance of mirrors in random fiber lasers, the number of comb lines generated is rather limited with only four comb lines are generated within 3 dB flatness at the 60 mW pump power. In optical communication systems, such a limitation in the comb lines could be a hindrance for the attainment of high-speed data communication due to the lack of light sources. Aspired to solve the problems and bring random multiwavelength to new heights, performances of multiwavelength random fiber lasers are improved in this thesis work. Based on the random Rayleigh scattered feedback of a 25 km long single-mode optical fiber, multiwavelength lasers are successfully generated. The linear cavity in which one end is formed by a mirror and the other end by the random Rayleigh scattered feedback is able to generate 27 laser lines within 3 dB flatness at the pump power of 350 mW. In addition, the laser lines generated are also stable with power fluctuations less than 0.6 dB over an hour duration. All in all, the study in this work is found to be effective in elevating the performances of multiwavelength random fiber lasers to further heights.
format Thesis
qualification_name Master of Philosophy (M.Phil.)
qualification_level Master's degree
author Saleh, Suhairie
author_facet Saleh, Suhairie
author_sort Saleh, Suhairie
title Stable multiwavelength erbium-doped random fiber laser
title_short Stable multiwavelength erbium-doped random fiber laser
title_full Stable multiwavelength erbium-doped random fiber laser
title_fullStr Stable multiwavelength erbium-doped random fiber laser
title_full_unstemmed Stable multiwavelength erbium-doped random fiber laser
title_sort stable multiwavelength erbium-doped random fiber laser
granting_institution Universiti Tun Hussein Onn Malaysia
granting_department Fakulti Kejuruteraan Elektrik dan Elektronik
publishDate 2019
url http://eprints.uthm.edu.my/672/1/24p%20SUHAIRE%20SALEH.pdf
http://eprints.uthm.edu.my/672/2/SUHAIRE%20SALEH%20COPYRIGHT%20DECLARATION.pdf
http://eprints.uthm.edu.my/672/3/SUHAIRE%20SALEH%20WATERMARK.pdf
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