Staff View: Sagnac-interferometer-based multiwavelength SOA fiber laser assisted by an intensity-dependent loss mechanism

Sagnac-interferometer-based multiwavelength SOA fiber laser assisted by an intensity-dependent loss mechanism

We demonstrate a Sagnac-interferometer-based multiwavelength fiber laser with an intensity-dependent loss (IDL) mechanism in the L-band region using a semiconductor optical amplifier (SOA) as the gain medium. The IDL mechanism flattens and stabilizes the multiwavelength spectrum. We also investigate...

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Main Authors:	Sulaiman A.H., David A.P., Ismail A., Abu Hassan N.N., Abdullah F., Jamaludin M.Z., Yusoff N.M.
Other Authors:	36810678100
Format:	Article
Published:	Optica Publishing Group (formerly OSA) 2025
Subjects:	Fiber amplifiers Fiber lasers Fiber optic sensors Interferometers Light polarization intermediate density lipoprotein A: semiconductors Band region Extinction ratios Intensity-dependent Laser-assisted Lasing lines Loss mechanisms Multi wavelength fiber laser Multiwavelength Sagnac interferometer adult amplifier article fiber human human experiment laser polarization rotation semiconductor Semiconductor optical amplifiers
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id	my.uniten.dspace-36817
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spelling	my.uniten.dspace-368172025-03-03T15:44:54Z Sagnac-interferometer-based multiwavelength SOA fiber laser assisted by an intensity-dependent loss mechanism Sulaiman A.H. David A.P. Ismail A. Abu Hassan N.N. Abdullah F. Jamaludin M.Z. Yusoff N.M. 36810678100 57958805300 36023817800 58889557200 56613644500 58071849900 56036869700 Fiber amplifiers Fiber lasers Fiber optic sensors Interferometers Light polarization intermediate density lipoprotein A: semiconductors Band region Extinction ratios Intensity-dependent Laser-assisted Lasing lines Loss mechanisms Multi wavelength fiber laser Multiwavelength Sagnac interferometer adult amplifier article fiber human human experiment laser polarization rotation semiconductor Semiconductor optical amplifiers We demonstrate a Sagnac-interferometer-based multiwavelength fiber laser with an intensity-dependent loss (IDL) mechanism in the L-band region using a semiconductor optical amplifier (SOA) as the gain medium. The IDL mechanism flattens and stabilizes the multiwavelength spectrum. We also investigate the effect of rotation angles of polarization controllers (PCs) at different polarization devices on multiwavelength performance. At best settings, 31 lasing lines within 3 dB uniformity were generated with an extinction ratio (ER) of 17 dB. Adjusting the half-wave plate of PC1 and PC2 from 0? to 90? shifted the multiwavelength output by 0.01 nm and 0.072 nm, respectively. PC2 adjustment also affects the multiwavelength flatness as compared to PC1. Furthermore, the number of lasing lines and the ER were directly influenced by the SOA current. ? 2024 Optica Publishing Group. Final 2025-03-03T07:44:54Z 2025-03-03T07:44:54Z 2024 Article 10.1364/AO.506145 2-s2.0-85185201176 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85185201176&doi=10.1364%2fAO.506145&partnerID=40&md5=4757d8b72e6219391181f9a7ddba036a https://irepository.uniten.edu.my/handle/123456789/36817 63 5 1241 1246 Optica Publishing Group (formerly OSA) Scopus
institution	Universiti Tenaga Nasional
building	UNITEN Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Tenaga Nasional
content_source	UNITEN Institutional Repository
url_provider	http://dspace.uniten.edu.my/
topic	Fiber amplifiers Fiber lasers Fiber optic sensors Interferometers Light polarization intermediate density lipoprotein A: semiconductors Band region Extinction ratios Intensity-dependent Laser-assisted Lasing lines Loss mechanisms Multi wavelength fiber laser Multiwavelength Sagnac interferometer adult amplifier article fiber human human experiment laser polarization rotation semiconductor Semiconductor optical amplifiers
spellingShingle	Fiber amplifiers Fiber lasers Fiber optic sensors Interferometers Light polarization intermediate density lipoprotein A: semiconductors Band region Extinction ratios Intensity-dependent Laser-assisted Lasing lines Loss mechanisms Multi wavelength fiber laser Multiwavelength Sagnac interferometer adult amplifier article fiber human human experiment laser polarization rotation semiconductor Semiconductor optical amplifiers Sulaiman A.H. David A.P. Ismail A. Abu Hassan N.N. Abdullah F. Jamaludin M.Z. Yusoff N.M. Sagnac-interferometer-based multiwavelength SOA fiber laser assisted by an intensity-dependent loss mechanism
description	We demonstrate a Sagnac-interferometer-based multiwavelength fiber laser with an intensity-dependent loss (IDL) mechanism in the L-band region using a semiconductor optical amplifier (SOA) as the gain medium. The IDL mechanism flattens and stabilizes the multiwavelength spectrum. We also investigate the effect of rotation angles of polarization controllers (PCs) at different polarization devices on multiwavelength performance. At best settings, 31 lasing lines within 3 dB uniformity were generated with an extinction ratio (ER) of 17 dB. Adjusting the half-wave plate of PC1 and PC2 from 0? to 90? shifted the multiwavelength output by 0.01 nm and 0.072 nm, respectively. PC2 adjustment also affects the multiwavelength flatness as compared to PC1. Furthermore, the number of lasing lines and the ER were directly influenced by the SOA current. ? 2024 Optica Publishing Group.
author2	36810678100
author_facet	36810678100 Sulaiman A.H. David A.P. Ismail A. Abu Hassan N.N. Abdullah F. Jamaludin M.Z. Yusoff N.M.
format	Article
author	Sulaiman A.H. David A.P. Ismail A. Abu Hassan N.N. Abdullah F. Jamaludin M.Z. Yusoff N.M.
author_sort	Sulaiman A.H.
title	Sagnac-interferometer-based multiwavelength SOA fiber laser assisted by an intensity-dependent loss mechanism
title_short	Sagnac-interferometer-based multiwavelength SOA fiber laser assisted by an intensity-dependent loss mechanism
title_full	Sagnac-interferometer-based multiwavelength SOA fiber laser assisted by an intensity-dependent loss mechanism
title_fullStr	Sagnac-interferometer-based multiwavelength SOA fiber laser assisted by an intensity-dependent loss mechanism
title_full_unstemmed	Sagnac-interferometer-based multiwavelength SOA fiber laser assisted by an intensity-dependent loss mechanism
title_sort	sagnac-interferometer-based multiwavelength soa fiber laser assisted by an intensity-dependent loss mechanism
publisher	Optica Publishing Group (formerly OSA)
publishDate	2025
_version_	1825816033505574912
score	13.244109

Sagnac-interferometer-based multiwavelength SOA fiber laser assisted by an intensity-dependent loss mechanism

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