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The generation of dual-wavelength fiber lasers and their applications / Amirah binti Abd. Latif

This thesis describes the methods and processes of generating tunable single wavelength and dual-wavelength fiber lasers by using two different types of gain media. They are erbium doped fiber (EDF) and semiconductor optical amplifier (SOA) with each of them working as near to homogeneous and inhomo...

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Main Author: Amirah, Abd. Latif
Format: Thesis
Published: 2013
Subjects:
Q Science (General)
QC Physics
Online Access:http://studentsrepo.um.edu.my/4186/4/Thesis_Amirah_binti_Abd_Latif.pdf
http://studentsrepo.um.edu.my/4186/
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spelling my.um.stud.41862017-03-29T03:39:24Z The generation of dual-wavelength fiber lasers and their applications / Amirah binti Abd. Latif Amirah, Abd. Latif Q Science (General) QC Physics This thesis describes the methods and processes of generating tunable single wavelength and dual-wavelength fiber lasers by using two different types of gain media. They are erbium doped fiber (EDF) and semiconductor optical amplifier (SOA) with each of them working as near to homogeneous and inhomogeneous broadening transition gain media respectively. Various single wavelength and dual-wavelength fiber lasers (DWFLs) designs using different selective elements namely tunable banpass filter (TBF), compression and tensile strain FBGs (CTS-FBGs) and arrayed waveguide grating (AWG) are also discussed and compared in the thesis in terms of their output power, side mode suppression ratio (SMSR) and tunability. To generate single wavelength fiber lasers is not a problem compared to the generation of dual-wavelength fiber laser in a homogeneous gain medium. Therefore, cavity loss control method, as a new and novel approach is proposed to overcome the mode competition issue faced by EDF for generation of balanced dual-wavelength output. The generation of DWFL by using SOA is also presented in the thesis which is free from mode competition issue, which however fairs badly in terms of output power performance. This is presented as an alternative way of generating the DWFL. The DWFLs have a lot of applications in various fields including fiber sensors and communications.In this study, new designs of DWFLs for various applications are presented. They are the generation of single longitudinal mode fiber laser for potential application in iii Terahertz ray, the generation of DWFL for wavelength conversion, the generation of DWFL for a minute shifts temperature sensor and also the generation of DWFL for microwaves generation. This is achievable due to a high stability and high quality of the fiber laser in terms of output powers and high value of SMSR. 2013 Thesis NonPeerReviewed application/pdf http://studentsrepo.um.edu.my/4186/4/Thesis_Amirah_binti_Abd_Latif.pdf Amirah, Abd. Latif (2013) The generation of dual-wavelength fiber lasers and their applications / Amirah binti Abd. Latif. PhD thesis, University of Malaya. http://studentsrepo.um.edu.my/4186/
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Student Repository
url_provider http://studentsrepo.um.edu.my/
topic Q Science (General)
QC Physics
spellingShingle Q Science (General)
QC Physics
Amirah, Abd. Latif
The generation of dual-wavelength fiber lasers and their applications / Amirah binti Abd. Latif
description This thesis describes the methods and processes of generating tunable single wavelength and dual-wavelength fiber lasers by using two different types of gain media. They are erbium doped fiber (EDF) and semiconductor optical amplifier (SOA) with each of them working as near to homogeneous and inhomogeneous broadening transition gain media respectively. Various single wavelength and dual-wavelength fiber lasers (DWFLs) designs using different selective elements namely tunable banpass filter (TBF), compression and tensile strain FBGs (CTS-FBGs) and arrayed waveguide grating (AWG) are also discussed and compared in the thesis in terms of their output power, side mode suppression ratio (SMSR) and tunability. To generate single wavelength fiber lasers is not a problem compared to the generation of dual-wavelength fiber laser in a homogeneous gain medium. Therefore, cavity loss control method, as a new and novel approach is proposed to overcome the mode competition issue faced by EDF for generation of balanced dual-wavelength output. The generation of DWFL by using SOA is also presented in the thesis which is free from mode competition issue, which however fairs badly in terms of output power performance. This is presented as an alternative way of generating the DWFL. The DWFLs have a lot of applications in various fields including fiber sensors and communications.In this study, new designs of DWFLs for various applications are presented. They are the generation of single longitudinal mode fiber laser for potential application in iii Terahertz ray, the generation of DWFL for wavelength conversion, the generation of DWFL for a minute shifts temperature sensor and also the generation of DWFL for microwaves generation. This is achievable due to a high stability and high quality of the fiber laser in terms of output powers and high value of SMSR.
format Thesis
author Amirah, Abd. Latif
author_facet Amirah, Abd. Latif
author_sort Amirah, Abd. Latif
title The generation of dual-wavelength fiber lasers and their applications / Amirah binti Abd. Latif
title_short The generation of dual-wavelength fiber lasers and their applications / Amirah binti Abd. Latif
title_full The generation of dual-wavelength fiber lasers and their applications / Amirah binti Abd. Latif
title_fullStr The generation of dual-wavelength fiber lasers and their applications / Amirah binti Abd. Latif
title_full_unstemmed The generation of dual-wavelength fiber lasers and their applications / Amirah binti Abd. Latif
title_sort generation of dual-wavelength fiber lasers and their applications / amirah binti abd. latif
publishDate 2013
url http://studentsrepo.um.edu.my/4186/4/Thesis_Amirah_binti_Abd_Latif.pdf
http://studentsrepo.um.edu.my/4186/
_version_ 1738505648519249920
score 13.211869

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