Ahmad, H. and Nizamani, B. and Samion, M. Z. and Zulkifli, M. Z. (2024) Switchable dual- and Single-Wavelength mode-locked bismuth-doped fiber lasers at O-band. Optical Fiber Technology, 88. p. 104009. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2024.104009.
Full text not available from this repository.Abstract
In this work, we have demonstrated the switchable and tunable operation of mode-locked pulses at O-band. A 40 m silica-based bismuth-doped fiber (BDF) was used to provide a high gain with low losses in the O-band regime. The carbon nanotube (CNT) was used as a mode-locker, whereas the dual- and single-wavelength mode-locked pulses were achieved by including a tunable Mach-Zehnder filter (TMZF) to the BDF laser cavity. The laser operation was switched between dual- and single-wavelength operation by tuning the TMZF wavelength knob within the ring cavity. The operating wavelengths were at 1308.2 and 1328.5 nm for dual-wavelength modelocked pulses. At the same time, the single wavelength mode-locked laser was tuned at three different operating wavelengths of 1316.3, 1328.5, and 1321.4 nm, with the 3-dB bandwidths of 3.3, 3.1 and 4.6 nm, and pulse durations of 790, 810 and 570 fs, respectively. The mode-locked laser remained stable from pump powers of 607 to 715 mW.
| Item Type: | Article |
|---|---|
| Funders: | Ministry of Education, Malaysia, Universiti Malaya (BKS002-2023); (IIRG001A-2023) |
| Uncontrolled Keywords: | Bismuth-doped fiber; Dual-wavelength mode-locked laser; O -band; Saturable absorber |
| Subjects: | Q Science > Q Science (General) Q Science > QC Physics |
| Divisions: | Faculty of Science > Department of Physics Deputy Vice Chancellor (Research & Innovation) Office > Photonics Research Centre |
| Depositing User: | Ms. Juhaida Abd Rahim |
| Date Deposited: | 17 Feb 2025 02:51 |
| Last Modified: | 17 Feb 2025 02:51 |
| URI: | http://eprints.um.edu.my/id/eprint/47418 |
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