Cobalt oxide nanocubes thin film as saturable absorber for generating Q-switched fiber lasers at 1 and 1.5 µm in ring cavity configuration

We experimentally demonstrate Q-switched fiber lasers based on Ytterbium-doped fiber laser (YDFL) and Erbium-doped fiber laser (EDFL) cavity using cobalt oxide (Co3O4) nanocubes film as a saturable absorber (SA) to operate at 1043.64 nm and 1560.4 nm respectively. This material is embedded into poly...

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Main Authors: Al-Masoodi, Ahmed Hasan Hamood, Alani, Ibrahim A.M., Ahmed, Mahmoud Hazzaa M., Al-Masoodi, Abtisam Hasan Hamood, Alani, Ahmed A., Wang, Pengfei, Harun, Sulaiman Wadi
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Published: Elsevier 2018
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Online Access:http://eprints.um.edu.my/22532/
https://doi.org/10.1016/j.yofte.2018.07.013
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spelling my.um.eprints.225322019-09-24T07:07:17Z http://eprints.um.edu.my/22532/ Cobalt oxide nanocubes thin film as saturable absorber for generating Q-switched fiber lasers at 1 and 1.5 µm in ring cavity configuration Al-Masoodi, Ahmed Hasan Hamood Alani, Ibrahim A.M. Ahmed, Mahmoud Hazzaa M. Al-Masoodi, Abtisam Hasan Hamood Alani, Ahmed A. Wang, Pengfei Harun, Sulaiman Wadi Q Science (General) QC Physics TK Electrical engineering. Electronics Nuclear engineering We experimentally demonstrate Q-switched fiber lasers based on Ytterbium-doped fiber laser (YDFL) and Erbium-doped fiber laser (EDFL) cavity using cobalt oxide (Co3O4) nanocubes film as a saturable absorber (SA) to operate at 1043.64 nm and 1560.4 nm respectively. This material is embedded into polyethylene oxide (PEO) film to obtain a high nonlinear optical response that can be used for SA application. The Co3O4 nanocubes film was fabricated by a simple processing technique and it has a modulation depth of 4% and saturation intensity of 56 MW/cm2. By incorporating the Co3O4 nanocubes SA into the YDFL cavity, a stable Q-switched pulse train was generated with repetition rate increasing from 60.3 to 86.66 KHz, by increasing the pump power from 144.4 to 165.4 mW. At the pump power of 147.9 mW the pulse width and pulse energy are 4 µs and 154 nJ respectively. The EDFL generates a stable Q-switched pulses with repetition rate of 119.7 KHz, pulse width of 2.4 µs and pulse energy of 6 nJ at maximum pump power of 141 mW. This results propose that cobalt oxide could be a promising broadband SA for all fiber lasers wavelengths at 1 and 1.5 µm. Elsevier 2018 Article PeerReviewed Al-Masoodi, Ahmed Hasan Hamood and Alani, Ibrahim A.M. and Ahmed, Mahmoud Hazzaa M. and Al-Masoodi, Abtisam Hasan Hamood and Alani, Ahmed A. and Wang, Pengfei and Harun, Sulaiman Wadi (2018) Cobalt oxide nanocubes thin film as saturable absorber for generating Q-switched fiber lasers at 1 and 1.5 µm in ring cavity configuration. Optical Fiber Technology, 45. pp. 128-136. ISSN 1068-5200 https://doi.org/10.1016/j.yofte.2018.07.013 doi:10.1016/j.yofte.2018.07.013
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
TK Electrical engineering. Electronics Nuclear engineering
spellingShingle Q Science (General)
QC Physics
TK Electrical engineering. Electronics Nuclear engineering
Al-Masoodi, Ahmed Hasan Hamood
Alani, Ibrahim A.M.
Ahmed, Mahmoud Hazzaa M.
Al-Masoodi, Abtisam Hasan Hamood
Alani, Ahmed A.
Wang, Pengfei
Harun, Sulaiman Wadi
Cobalt oxide nanocubes thin film as saturable absorber for generating Q-switched fiber lasers at 1 and 1.5 µm in ring cavity configuration
description We experimentally demonstrate Q-switched fiber lasers based on Ytterbium-doped fiber laser (YDFL) and Erbium-doped fiber laser (EDFL) cavity using cobalt oxide (Co3O4) nanocubes film as a saturable absorber (SA) to operate at 1043.64 nm and 1560.4 nm respectively. This material is embedded into polyethylene oxide (PEO) film to obtain a high nonlinear optical response that can be used for SA application. The Co3O4 nanocubes film was fabricated by a simple processing technique and it has a modulation depth of 4% and saturation intensity of 56 MW/cm2. By incorporating the Co3O4 nanocubes SA into the YDFL cavity, a stable Q-switched pulse train was generated with repetition rate increasing from 60.3 to 86.66 KHz, by increasing the pump power from 144.4 to 165.4 mW. At the pump power of 147.9 mW the pulse width and pulse energy are 4 µs and 154 nJ respectively. The EDFL generates a stable Q-switched pulses with repetition rate of 119.7 KHz, pulse width of 2.4 µs and pulse energy of 6 nJ at maximum pump power of 141 mW. This results propose that cobalt oxide could be a promising broadband SA for all fiber lasers wavelengths at 1 and 1.5 µm.
format Article
author Al-Masoodi, Ahmed Hasan Hamood
Alani, Ibrahim A.M.
Ahmed, Mahmoud Hazzaa M.
Al-Masoodi, Abtisam Hasan Hamood
Alani, Ahmed A.
Wang, Pengfei
Harun, Sulaiman Wadi
author_facet Al-Masoodi, Ahmed Hasan Hamood
Alani, Ibrahim A.M.
Ahmed, Mahmoud Hazzaa M.
Al-Masoodi, Abtisam Hasan Hamood
Alani, Ahmed A.
Wang, Pengfei
Harun, Sulaiman Wadi
author_sort Al-Masoodi, Ahmed Hasan Hamood
title Cobalt oxide nanocubes thin film as saturable absorber for generating Q-switched fiber lasers at 1 and 1.5 µm in ring cavity configuration
title_short Cobalt oxide nanocubes thin film as saturable absorber for generating Q-switched fiber lasers at 1 and 1.5 µm in ring cavity configuration
title_full Cobalt oxide nanocubes thin film as saturable absorber for generating Q-switched fiber lasers at 1 and 1.5 µm in ring cavity configuration
title_fullStr Cobalt oxide nanocubes thin film as saturable absorber for generating Q-switched fiber lasers at 1 and 1.5 µm in ring cavity configuration
title_full_unstemmed Cobalt oxide nanocubes thin film as saturable absorber for generating Q-switched fiber lasers at 1 and 1.5 µm in ring cavity configuration
title_sort cobalt oxide nanocubes thin film as saturable absorber for generating q-switched fiber lasers at 1 and 1.5 µm in ring cavity configuration
publisher Elsevier
publishDate 2018
url http://eprints.um.edu.my/22532/
https://doi.org/10.1016/j.yofte.2018.07.013
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score 13.251813