Dualwavelength fiber laser

A Dual-wavelength erbium doped fiber laser (EDFL) is presented. The gain interest in recent decades due to their inherent characteristics such as narrow linewidth, high optical power. Generation of dual-wavelengths is realizable through Erbium Ytterbium Doped Fiber Amplifier (EYDFA) gain in the lase...

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Main Author:	Abdi, Mohamed Khalif
Format:	Thesis
Language:	English English English
Published:	2021
Subjects:	TA1501-1820 Applied optics Photonics
Online Access:	http://eprints.uthm.edu.my/6994/1/24p%20MOHAMED%20KHALIF%20ABDI.pdf http://eprints.uthm.edu.my/6994/2/MOHAMED%20KHALIF%20ABDI%20COPYRIGHT%20DECLARATION.pdf http://eprints.uthm.edu.my/6994/3/MOHAMED%20KHALIF%20ABDI%20WATERMARK.pdf
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id	my-uthm-ep.6994
record_format	uketd_dc
spelling	my-uthm-ep.69942022-04-26T07:01:24Z Dualwavelength fiber laser 2021 Abdi, Mohamed Khalif TA1501-1820 Applied optics. Photonics A Dual-wavelength erbium doped fiber laser (EDFL) is presented. The gain interest in recent decades due to their inherent characteristics such as narrow linewidth, high optical power. Generation of dual-wavelengths is realizable through Erbium Ytterbium Doped Fiber Amplifier (EYDFA) gain in the laser cavity. The lasing wavelength spacing is widely controlled in a range from 3 to 16.1 nm, which means the tunable can be achieved. The signal to noise ratio (OSNR) obtain as high as 60 dB. The fiber Bragg gratting FBG 1539.4 nm achieved and the output power of the EYDFA is fixed at 1 w. The Tunable BandPass Filter TBPF is put in the laser cavity. The laser FBG goes to port 1 then, TBPF will tune and passes to port 2. The FBG reflects only at the wavelength of 1539.4 nm and the rest passes through. The TBPF tuned from 1542.3 to 1555.5 nm. The TBPF is almost the same with FBG after thulium. The thulium function here is to stabilize and distribute energy from higher power to the low power. The minimum variation is 1.9 dB while the maximum is 2.87 dB. Hence, dual-wavelength fiber laser records the best performances with respect to the output power, the laser is found to be the most stable when applied enough power. 2021 Thesis http://eprints.uthm.edu.my/6994/ http://eprints.uthm.edu.my/6994/1/24p%20MOHAMED%20KHALIF%20ABDI.pdf text en public http://eprints.uthm.edu.my/6994/2/MOHAMED%20KHALIF%20ABDI%20COPYRIGHT%20DECLARATION.pdf text en staffonly http://eprints.uthm.edu.my/6994/3/MOHAMED%20KHALIF%20ABDI%20WATERMARK.pdf text en validuser mphil masters Universiti Tun Hussein Malaysia Fakulti Kejuruteraan Elektrik dan Elektronik
institution	Universiti Tun Hussein Onn Malaysia
collection	UTHM Institutional Repository
language	English English English
topic	TA1501-1820 Applied optics Photonics
spellingShingle	TA1501-1820 Applied optics Photonics Abdi, Mohamed Khalif Dualwavelength fiber laser
description	A Dual-wavelength erbium doped fiber laser (EDFL) is presented. The gain interest in recent decades due to their inherent characteristics such as narrow linewidth, high optical power. Generation of dual-wavelengths is realizable through Erbium Ytterbium Doped Fiber Amplifier (EYDFA) gain in the laser cavity. The lasing wavelength spacing is widely controlled in a range from 3 to 16.1 nm, which means the tunable can be achieved. The signal to noise ratio (OSNR) obtain as high as 60 dB. The fiber Bragg gratting FBG 1539.4 nm achieved and the output power of the EYDFA is fixed at 1 w. The Tunable BandPass Filter TBPF is put in the laser cavity. The laser FBG goes to port 1 then, TBPF will tune and passes to port 2. The FBG reflects only at the wavelength of 1539.4 nm and the rest passes through. The TBPF tuned from 1542.3 to 1555.5 nm. The TBPF is almost the same with FBG after thulium. The thulium function here is to stabilize and distribute energy from higher power to the low power. The minimum variation is 1.9 dB while the maximum is 2.87 dB. Hence, dual-wavelength fiber laser records the best performances with respect to the output power, the laser is found to be the most stable when applied enough power.
format	Thesis
qualification_name	Master of Philosophy (M.Phil.)
qualification_level	Master's degree
author	Abdi, Mohamed Khalif
author_facet	Abdi, Mohamed Khalif
author_sort	Abdi, Mohamed Khalif
title	Dualwavelength fiber laser
title_short	Dualwavelength fiber laser
title_full	Dualwavelength fiber laser
title_fullStr	Dualwavelength fiber laser
title_full_unstemmed	Dualwavelength fiber laser
title_sort	dualwavelength fiber laser
granting_institution	Universiti Tun Hussein Malaysia
granting_department	Fakulti Kejuruteraan Elektrik dan Elektronik
publishDate	2021
url	http://eprints.uthm.edu.my/6994/1/24p%20MOHAMED%20KHALIF%20ABDI.pdf http://eprints.uthm.edu.my/6994/2/MOHAMED%20KHALIF%20ABDI%20COPYRIGHT%20DECLARATION.pdf http://eprints.uthm.edu.my/6994/3/MOHAMED%20KHALIF%20ABDI%20WATERMARK.pdf
_version_	1747831105797488640

Dualwavelength fiber laser

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