An Optical Wavelength Measurement Technique Using Erbium-Doped Fiber Attenuation

The widespread deployment of optical fiber with its attractive technologies such as dense wavelength division multiplexing (DWDM) is helping to satisfy the apparently insatiable demand for bandwidth in the telecommunication systems.However,the adoption of the technology in the optical communication...

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Main Author:	Affandi, Norhayati
Format:	Thesis
Language:	English English
Published:	2003
Subjects:	Erbium - Isotopes Optical fibers
Online Access:	http://psasir.upm.edu.my/id/eprint/176/1/549506_t_fk_2003_68.pdf
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spelling	my-upm-ir.1762013-05-27T06:46:15Z An Optical Wavelength Measurement Technique Using Erbium-Doped Fiber Attenuation 2003-10 Affandi, Norhayati The widespread deployment of optical fiber with its attractive technologies such as dense wavelength division multiplexing (DWDM) is helping to satisfy the apparently insatiable demand for bandwidth in the telecommunication systems.However,the adoption of the technology in the optical communications systems,requires the establishment of traceable measurement facilities,which are capable of providing the information about the performance of the system. Information of particular parameter of interest, such as channel wavelength,can be obtained by either using an external or inline or built-in wavelength determination system.Currently,there are a number of techniques including bandpass filter technique, and interferometric fringe-counting techniques have been used in the system to measure the wavelength accurately.In this thesis,a new approach for measuring optical signal wavelength using optical fiber power loss phenomenon is introduced. In this technique a relationship between input signal at one particular wavelength and attenuated signal in optical fiber is used.A wavelength dependent attenuator made of erbium-doped fiber has been used as the main component or element to develop and be applied for the wavelength determining system.The variation of the optical power loss of erbium-doped fiber with the wavelength of an input signal is utilized for wavelength discrimination.This research demonstrates some of the methods that can be used to exploit the erbium-doped fiber for measuring optical signal wavelength accurately.Results of the study showed that by changing parameter such as value of attenuation element,erbium-doped fiber length, ion concentration,or the erbium-doped fiber material type,or changing the attenuation element setup, the signal measurement could be as accurate as ± 2 nm and produce a wavelength range as wide as 45 nm. Erbium - Isotopes Optical fibers 2003-10 Thesis http://psasir.upm.edu.my/id/eprint/176/ http://psasir.upm.edu.my/id/eprint/176/1/549506_t_fk_2003_68.pdf application/pdf en public masters Universiti Putra Malaysia Erbium - Isotopes Optical fibers Faculty of Engineering English
institution	Universiti Putra Malaysia
collection	PSAS Institutional Repository
language	English English
topic	Erbium - Isotopes Optical fibers
spellingShingle	Erbium - Isotopes Optical fibers Affandi, Norhayati An Optical Wavelength Measurement Technique Using Erbium-Doped Fiber Attenuation
description	The widespread deployment of optical fiber with its attractive technologies such as dense wavelength division multiplexing (DWDM) is helping to satisfy the apparently insatiable demand for bandwidth in the telecommunication systems.However,the adoption of the technology in the optical communications systems,requires the establishment of traceable measurement facilities,which are capable of providing the information about the performance of the system. Information of particular parameter of interest, such as channel wavelength,can be obtained by either using an external or inline or built-in wavelength determination system.Currently,there are a number of techniques including bandpass filter technique, and interferometric fringe-counting techniques have been used in the system to measure the wavelength accurately.In this thesis,a new approach for measuring optical signal wavelength using optical fiber power loss phenomenon is introduced. In this technique a relationship between input signal at one particular wavelength and attenuated signal in optical fiber is used.A wavelength dependent attenuator made of erbium-doped fiber has been used as the main component or element to develop and be applied for the wavelength determining system.The variation of the optical power loss of erbium-doped fiber with the wavelength of an input signal is utilized for wavelength discrimination.This research demonstrates some of the methods that can be used to exploit the erbium-doped fiber for measuring optical signal wavelength accurately.Results of the study showed that by changing parameter such as value of attenuation element,erbium-doped fiber length, ion concentration,or the erbium-doped fiber material type,or changing the attenuation element setup, the signal measurement could be as accurate as ± 2 nm and produce a wavelength range as wide as 45 nm.
format	Thesis
qualification_level	Master's degree
author	Affandi, Norhayati
author_facet	Affandi, Norhayati
author_sort	Affandi, Norhayati
title	An Optical Wavelength Measurement Technique Using Erbium-Doped Fiber Attenuation
title_short	An Optical Wavelength Measurement Technique Using Erbium-Doped Fiber Attenuation
title_full	An Optical Wavelength Measurement Technique Using Erbium-Doped Fiber Attenuation
title_fullStr	An Optical Wavelength Measurement Technique Using Erbium-Doped Fiber Attenuation
title_full_unstemmed	An Optical Wavelength Measurement Technique Using Erbium-Doped Fiber Attenuation
title_sort	optical wavelength measurement technique using erbium-doped fiber attenuation
granting_institution	Universiti Putra Malaysia
granting_department	Faculty of Engineering
publishDate	2003
url	http://psasir.upm.edu.my/id/eprint/176/1/549506_t_fk_2003_68.pdf
_version_	1747810166851502080

An Optical Wavelength Measurement Technique Using Erbium-Doped Fiber Attenuation

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