Ramlan, N. A. A. and Yusoff, R. A. M. and Kasim, N. and Zulkipli, N. F. and Rosol, A. H. A. and Jafry, A. A. A. and Zakaria, Rozalina (2023) Investigation of passively Q-switched and mode-locked operation using Cu nanoparticles doped Indium Selenide as saturable absorber at 1.5-mu m region. Optical Fiber Technology, 77. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2023.103260.
Full text not available from this repository.Abstract
A reliable Q-switched and mode-locked operation at the 1.5-mu m region has been demonstrated using copper nanoparticles (Cu NPs)-doped Indium Selenide (In2Se3). The Cu NPs were produced using pulsed laser ablation (PLA) in a PVA solution before mixed it with In2Se3 solution. Then, the Cu/In2Se3 solution was dry casted into a petri dish and peeled off from the petri dish after it was completely dry to form a free-standing (without sub-strate) Cu/In2Se3 film as a saturable absorber since this technique offers simplicity and is easy to integrate into the laser cavity. Q-switched pulses were generated at the operating wavelength of 1561.9 nm with a threshold pump power of 24.13 mW. A short pulse width of 2.54 mu s, with a repetition rate of 122.60 kHz, attained a maximum pump power of 125.63 mW. The highest pulse energy obtained is 145.84 nJ, with an output power maximum of 17.88 mW on average. A soliton was generated as 100 m SMF integrated into the EDF laser cavity with the center of a wavelength of 1562.2 nm, a pulse width of 3.59 ps, and a peak power of 1.68 kW. These results prove that Cu/In2Se3 shows excellent potential as a SA material that operates in the 1.5-mu m region.
| Item Type: | Article |
|---|---|
| Funders: | Q.J130000.2406.09G95; Universiti Teknologi Malaysia, UTM |
| Uncontrolled Keywords: | Q-switched; Mode-locked; Saturable absorber; Copper; Indium selenide |
| Subjects: | Q Science > QC Physics T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | Faculty of Science > Department of Physics Deputy Vice Chancellor (Research & Innovation) Office > Photonics Research Centre |
| Depositing User: | Ms Zaharah Ramly |
| Date Deposited: | 13 Jun 2024 01:19 |
| Last Modified: | 13 Jun 2024 01:19 |
| URI: | http://eprints.um.edu.my/id/eprint/38606 |
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