Cover Image

Study of four wave mixing in a highly nonlinear media and their applications / Noor Azura Binti Awang

This thesis presents a comprehensive study of the four wave mixing (FWM) effect in the highly nonlinear fibre (HNLF) and semiconductor optical amplifier (SOA); and their applications. The nonlinearity parameters such as zero-dispersion wavelength (ZDW), chromatic dispersion (CD) and nonlinear coe...

Full description

Saved in:
Bibliographic Details
Main Author: Awang, Noor Azura
Format: Thesis
Published: 2012
Subjects:
Q Science (General)
Online Access:http://studentsrepo.um.edu.my/4453/1/NOOR_AZURA_AWANG_THESIS_2012.pdf
http://studentsrepo.um.edu.my/4453/
Tags: Add Tag
No Tags, Be the first to tag this record!
id my.um.stud.4453
record_format eprints
spelling my.um.stud.44532014-10-09T01:24:19Z Study of four wave mixing in a highly nonlinear media and their applications / Noor Azura Binti Awang Awang, Noor Azura Q Science (General) This thesis presents a comprehensive study of the four wave mixing (FWM) effect in the highly nonlinear fibre (HNLF) and semiconductor optical amplifier (SOA); and their applications. The nonlinearity parameters such as zero-dispersion wavelength (ZDW), chromatic dispersion (CD) and nonlinear coefficient of HNLF has successfully investigated by using several FWM techniques. Results from all techniques have been achieved approximately similar to the manufacturer specification. This technique is then employed for the measurement of the FWM power and FWM efficiency in a SOA, in addition to the gain performance, which is measured using conventional methods. Based on these parameters, a good agreement between experiments and numerical has been obtained. This characterization is important for nonlinear application such as wavelength conversion, fibre optic parametric amplifier (FOPA) and multiwavelength fibre laser. Wavelength conversion is a key for wavelength division multiplexed (WDM) networks. Wavelength converter based on HNLF and SOA are promising candidates for implementing wavelength conversion. This thesis presents a thorough investigation of new configurations of the wavelength converter generation by using degenerate case and nondegenerate case of FWM effect in nonlinear media. Most of wavelength conversion configuration used self-constructed dual-wavelength fibre laser as a signal and pump sources due to compact size as well as compatible with current telecommunications system. The dualwavelength fibre laser used in this thesis is more cost effective and inexpensive as compared to the tunable laser sources (TLS). It allows for a smooth wavelength tuning over a wide range and has high performance stability. In the case of a two independent laser sources from TLS, an effective wavelength conversion is achieved by using a lower pump power and signal in HNLF iii | ABSTRACT via the FWM effect. This configuration obtained a higher and flat of conversion efficiency and a Signal-to-Noise Ratio (SNR) over 20 nm and can provide an effective means of wavelength conversion for telecommunication applications. However, despite the high conversion efficiency, this configuration suffers from both higher cost as well as a smaller wavelength conversion band. The other application reported in this thesis is fibre optical based parametric amplifier (FOPA). The novelty of this configuration used is a ring cavity as opposed to the commonly used method of linear cavity. This configuration reduces the required pump power for the amplifications of the signal and also the generation of the idlers. The last application reported in this thesis is a stable multiwavelength fibre laser utilizing the FWM effect in HNLF is proposed and demonstrated. The multi-wavelength fibre is based on the ring cavity configuration, and utilizes a low power erbium doped fibre amplifier (EDFA) as a gain medium to generate 11 lines in the range of 1582 nm to 1600 nm and a SNR of 43 dB. 2012 Thesis NonPeerReviewed application/pdf http://studentsrepo.um.edu.my/4453/1/NOOR_AZURA_AWANG_THESIS_2012.pdf Awang, Noor Azura (2012) Study of four wave mixing in a highly nonlinear media and their applications / Noor Azura Binti Awang. PhD thesis, University Malaya. http://studentsrepo.um.edu.my/4453/
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)
spellingShingle Q Science (General)
Awang, Noor Azura
Study of four wave mixing in a highly nonlinear media and their applications / Noor Azura Binti Awang
description This thesis presents a comprehensive study of the four wave mixing (FWM) effect in the highly nonlinear fibre (HNLF) and semiconductor optical amplifier (SOA); and their applications. The nonlinearity parameters such as zero-dispersion wavelength (ZDW), chromatic dispersion (CD) and nonlinear coefficient of HNLF has successfully investigated by using several FWM techniques. Results from all techniques have been achieved approximately similar to the manufacturer specification. This technique is then employed for the measurement of the FWM power and FWM efficiency in a SOA, in addition to the gain performance, which is measured using conventional methods. Based on these parameters, a good agreement between experiments and numerical has been obtained. This characterization is important for nonlinear application such as wavelength conversion, fibre optic parametric amplifier (FOPA) and multiwavelength fibre laser. Wavelength conversion is a key for wavelength division multiplexed (WDM) networks. Wavelength converter based on HNLF and SOA are promising candidates for implementing wavelength conversion. This thesis presents a thorough investigation of new configurations of the wavelength converter generation by using degenerate case and nondegenerate case of FWM effect in nonlinear media. Most of wavelength conversion configuration used self-constructed dual-wavelength fibre laser as a signal and pump sources due to compact size as well as compatible with current telecommunications system. The dualwavelength fibre laser used in this thesis is more cost effective and inexpensive as compared to the tunable laser sources (TLS). It allows for a smooth wavelength tuning over a wide range and has high performance stability. In the case of a two independent laser sources from TLS, an effective wavelength conversion is achieved by using a lower pump power and signal in HNLF iii | ABSTRACT via the FWM effect. This configuration obtained a higher and flat of conversion efficiency and a Signal-to-Noise Ratio (SNR) over 20 nm and can provide an effective means of wavelength conversion for telecommunication applications. However, despite the high conversion efficiency, this configuration suffers from both higher cost as well as a smaller wavelength conversion band. The other application reported in this thesis is fibre optical based parametric amplifier (FOPA). The novelty of this configuration used is a ring cavity as opposed to the commonly used method of linear cavity. This configuration reduces the required pump power for the amplifications of the signal and also the generation of the idlers. The last application reported in this thesis is a stable multiwavelength fibre laser utilizing the FWM effect in HNLF is proposed and demonstrated. The multi-wavelength fibre is based on the ring cavity configuration, and utilizes a low power erbium doped fibre amplifier (EDFA) as a gain medium to generate 11 lines in the range of 1582 nm to 1600 nm and a SNR of 43 dB.
format Thesis
author Awang, Noor Azura
author_facet Awang, Noor Azura
author_sort Awang, Noor Azura
title Study of four wave mixing in a highly nonlinear media and their applications / Noor Azura Binti Awang
title_short Study of four wave mixing in a highly nonlinear media and their applications / Noor Azura Binti Awang
title_full Study of four wave mixing in a highly nonlinear media and their applications / Noor Azura Binti Awang
title_fullStr Study of four wave mixing in a highly nonlinear media and their applications / Noor Azura Binti Awang
title_full_unstemmed Study of four wave mixing in a highly nonlinear media and their applications / Noor Azura Binti Awang
title_sort study of four wave mixing in a highly nonlinear media and their applications / noor azura binti awang
publishDate 2012
url http://studentsrepo.um.edu.my/4453/1/NOOR_AZURA_AWANG_THESIS_2012.pdf
http://studentsrepo.um.edu.my/4453/
_version_ 1738505676503646208
score 13.211869

Similar Items