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Tunable passively Q-switched erbium-doped fiber laser with Chitosan/MoS2 saturable absorber

Chitosan, an organic polymer derived from the outer skeletons of crustacean and in the cell wall of fungi is explored as polymer host to develop thin film saturable absorber (SA). As a polymer, Chitosan shows high thermal stability as well as significant transmission characteristics. The highly tran...

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Main Authors: Ahmad, Harith, Aidit, Siti Nabila, Ooi, Shok Ing, Tiu, Zian Cheak
Format: Article
Published: Elsevier 2018
Subjects:
Q Science (General)
QC Physics
Online Access:http://eprints.um.edu.my/22667/
https://doi.org/10.1016/j.optlastec.2018.01.032
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spelling my.um.eprints.226672019-10-07T02:10:56Z http://eprints.um.edu.my/22667/ Tunable passively Q-switched erbium-doped fiber laser with Chitosan/MoS2 saturable absorber Ahmad, Harith Aidit, Siti Nabila Ooi, Shok Ing Tiu, Zian Cheak Q Science (General) QC Physics Chitosan, an organic polymer derived from the outer skeletons of crustacean and in the cell wall of fungi is explored as polymer host to develop thin film saturable absorber (SA). As a polymer, Chitosan shows high thermal stability as well as significant transmission characteristics. The highly transparent polymer serves as a good host for SA materials, and a composite Chitosan/MoS2 thin film is demonstrated to successfully generate stable Q-switched lasing output at operating wavelength of 1561.5 nm. At maximum pump power of 280.5 mW, the generated pulse exhibits maximum pulse repetition rate and pulse energy of 79.4 kHz and 43.69 nJ respectively as well as minimum pulse width of 1.02 μs. The overall efficiency of the laser cavity with the Chitosan/MoS2 thin film SA is approximately 0.93%. These results reflect the outstanding performance of Chitosan/MoS2 SA as compared to other MoS2 SA prepared using mechanical exfoliation and optical deposition technique. Moreover, the Chitosan polymer is shown to be a highly potential host in the SA fabrication process due to its promising performance which is comparable to PVA. Elsevier 2018 Article PeerReviewed Ahmad, Harith and Aidit, Siti Nabila and Ooi, Shok Ing and Tiu, Zian Cheak (2018) Tunable passively Q-switched erbium-doped fiber laser with Chitosan/MoS2 saturable absorber. Optics & Laser Technology, 103. pp. 199-205. ISSN 0030-3992 https://doi.org/10.1016/j.optlastec.2018.01.032 doi:10.1016/j.optlastec.2018.01.032
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic Q Science (General)
QC Physics
spellingShingle Q Science (General)
QC Physics
Ahmad, Harith
Aidit, Siti Nabila
Ooi, Shok Ing
Tiu, Zian Cheak
Tunable passively Q-switched erbium-doped fiber laser with Chitosan/MoS2 saturable absorber
description Chitosan, an organic polymer derived from the outer skeletons of crustacean and in the cell wall of fungi is explored as polymer host to develop thin film saturable absorber (SA). As a polymer, Chitosan shows high thermal stability as well as significant transmission characteristics. The highly transparent polymer serves as a good host for SA materials, and a composite Chitosan/MoS2 thin film is demonstrated to successfully generate stable Q-switched lasing output at operating wavelength of 1561.5 nm. At maximum pump power of 280.5 mW, the generated pulse exhibits maximum pulse repetition rate and pulse energy of 79.4 kHz and 43.69 nJ respectively as well as minimum pulse width of 1.02 μs. The overall efficiency of the laser cavity with the Chitosan/MoS2 thin film SA is approximately 0.93%. These results reflect the outstanding performance of Chitosan/MoS2 SA as compared to other MoS2 SA prepared using mechanical exfoliation and optical deposition technique. Moreover, the Chitosan polymer is shown to be a highly potential host in the SA fabrication process due to its promising performance which is comparable to PVA.
format Article
author Ahmad, Harith
Aidit, Siti Nabila
Ooi, Shok Ing
Tiu, Zian Cheak
author_facet Ahmad, Harith
Aidit, Siti Nabila
Ooi, Shok Ing
Tiu, Zian Cheak
author_sort Ahmad, Harith
title Tunable passively Q-switched erbium-doped fiber laser with Chitosan/MoS2 saturable absorber
title_short Tunable passively Q-switched erbium-doped fiber laser with Chitosan/MoS2 saturable absorber
title_full Tunable passively Q-switched erbium-doped fiber laser with Chitosan/MoS2 saturable absorber
title_fullStr Tunable passively Q-switched erbium-doped fiber laser with Chitosan/MoS2 saturable absorber
title_full_unstemmed Tunable passively Q-switched erbium-doped fiber laser with Chitosan/MoS2 saturable absorber
title_sort tunable passively q-switched erbium-doped fiber laser with chitosan/mos2 saturable absorber
publisher Elsevier
publishDate 2018
url http://eprints.um.edu.my/22667/
https://doi.org/10.1016/j.optlastec.2018.01.032
_version_ 1648736175534374912
score 13.211869

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