Passive Q-switched fiber laser in C-and S band region using silver nanoparticles as a saturable absorber / Nur E’Zzati Ruslan
This research aims to investigate the feasibility of silver-nanoparticles as a saturable absorber (SA) to passively generate Q-switched pulses in C- and S- bands. Previously, passive Q-switched lasers is generated by employing nonlinear polarization rotation (NPR) and semiconductor saturable absorbe...
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my.um.stud.124942021-11-30T23:28:24Z Passive Q-switched fiber laser in C-and S band region using silver nanoparticles as a saturable absorber / Nur E’Zzati Ruslan Nur E’Zzati , Ruslan Q Science (General) QC Physics This research aims to investigate the feasibility of silver-nanoparticles as a saturable absorber (SA) to passively generate Q-switched pulses in C- and S- bands. Previously, passive Q-switched lasers is generated by employing nonlinear polarization rotation (NPR) and semiconductor saturable absorber mirrors (SESAMs). Recently, passive Q switched lasers can also be generated using 2D materials such as single-walled carbon nanotubes (SWCNT), graphene and transition metal dichalcogenides. The performance of silver-nanoparticles saturable absorber will be investigated at C- and S- band regions. Silver-nanoparticles saturable absorber was made into thin film to allow for easy integration into fiber laser cavity. The measured modulation depth and saturation intensity of the silver-nanoparticle SA are 31.6% and 0.54 MW/cm2, respectively. When inserted between fiber ferrules, the silver-nanoparticles SA generated a self-starting passive Q switched lasers operating in C- and S-bands. C-band Q-switched fiber laser has an increasing repetition rate from 19.4 – 74.1 kHz, while the pulsewidth decreased from 8.88 – 3.2 μs as pump power was increased. The laser also showed wavelength tunability from 1552.9 – 1580.2 nm. The repetition rate increased from 29 – 48 kHz, while the pulsewith decreased from 6.8 – 0.8 μs. The wavelength can be tuned from 1493nm to 1500nm. These results demonstrated that silver-nanoparticles is a new 2D material that can be utilized to generate passive Q-switched which can be utilized in various photonic application. 2019 Thesis NonPeerReviewed application/pdf http://studentsrepo.um.edu.my/12494/1/Nur_E%E2%80%99Zzati.pdf Nur E’Zzati , Ruslan (2019) Passive Q-switched fiber laser in C-and S band region using silver nanoparticles as a saturable absorber / Nur E’Zzati Ruslan. Masters thesis, Universiti Malaya. http://studentsrepo.um.edu.my/12494/ |
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Q Science (General) QC Physics Nur E’Zzati , Ruslan Passive Q-switched fiber laser in C-and S band region using silver nanoparticles as a saturable absorber / Nur E’Zzati Ruslan |
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This research aims to investigate the feasibility of silver-nanoparticles as a saturable absorber (SA) to passively generate Q-switched pulses in C- and S- bands. Previously, passive Q-switched lasers is generated by employing nonlinear polarization rotation (NPR) and semiconductor saturable absorber mirrors (SESAMs). Recently, passive Q switched lasers can also be generated using 2D materials such as single-walled carbon nanotubes (SWCNT), graphene and transition metal dichalcogenides. The performance of silver-nanoparticles saturable absorber will be investigated at C- and S- band regions. Silver-nanoparticles saturable absorber was made into thin film to allow for easy integration into fiber laser cavity. The measured modulation depth and saturation intensity of the silver-nanoparticle SA are 31.6% and 0.54 MW/cm2, respectively. When inserted between fiber ferrules, the silver-nanoparticles SA generated a self-starting passive Q switched lasers operating in C- and S-bands. C-band Q-switched fiber laser has an increasing repetition rate from 19.4 – 74.1 kHz, while the pulsewidth decreased from 8.88 – 3.2 μs as pump power was increased. The laser also showed wavelength tunability from 1552.9 – 1580.2 nm. The repetition rate increased from 29 – 48 kHz, while the pulsewith decreased from 6.8 – 0.8 μs. The wavelength can be tuned from 1493nm to 1500nm. These results demonstrated that silver-nanoparticles is a new 2D material that can be utilized to generate passive Q-switched which can be utilized in various photonic
application.
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Nur E’Zzati , Ruslan |
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Nur E’Zzati , Ruslan |
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Nur E’Zzati , Ruslan |
title |
Passive Q-switched fiber laser in C-and S band region using silver nanoparticles as a saturable absorber / Nur E’Zzati Ruslan |
title_short |
Passive Q-switched fiber laser in C-and S band region using silver nanoparticles as a saturable absorber / Nur E’Zzati Ruslan |
title_full |
Passive Q-switched fiber laser in C-and S band region using silver nanoparticles as a saturable absorber / Nur E’Zzati Ruslan |
title_fullStr |
Passive Q-switched fiber laser in C-and S band region using silver nanoparticles as a saturable absorber / Nur E’Zzati Ruslan |
title_full_unstemmed |
Passive Q-switched fiber laser in C-and S band region using silver nanoparticles as a saturable absorber / Nur E’Zzati Ruslan |
title_sort |
passive q-switched fiber laser in c-and s band region using silver nanoparticles as a saturable absorber / nur e’zzati ruslan |
publishDate |
2019 |
url |
http://studentsrepo.um.edu.my/12494/1/Nur_E%E2%80%99Zzati.pdf http://studentsrepo.um.edu.my/12494/ |
_version_ |
1738506617974947840 |
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13.2014675 |