Ahmad, H. and Hassan, S. N. M. and Ahmad, F. and Zulkifli, M. Z. and Harun, S. W. (2016) Broadband tuning in a passively Q-switched erbium doped fiber laser (EDFL) via multiwall carbon nanotubes/polyvinyl alcohol (MWCNT/PVA) saturable absorber. Optics Communications, 365 . pp. 54-60. ISSN 0030-4018
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Abstract
An MWCNT/PVA-based Q-switched erbium-doped fiber laser (EDFL) that uses a tunable bandpass filter (TBPF) as the wavelength tuning and filtering mechanism to achieve a broadband tuning range is proposed and demonstrated. The tuning range of the generated Q-switched pulses covered a wide wavelength range of 50 nm, which spanned from 1519 nm to 1569 nm and corresponded to the S- and C-band regions. In addition, the lasing and Q-switching operations had low thresholds of 8.9 mW and 22.4 mW respectively. The highest pulse energy of 52.13 nJ was obtained at an output wavelength of 1569 nm, with a corresponding repetition rate of 26.53 kHz and pulse width of 6.10 μs, at the maximum power of 114.8 mW.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Bandpass filters, Carbon, Erbium, Fiber lasers, Multiwalled carbon nanotubes (MWCN), Pulse repetition rate, Saturable absorbers, Yarn, Broad bands, Erbium doped fiber laser, Filtering mechanism, MWCNT/PVA, Output wavelengths, Passively Q-switched, Switching operations, Tunable band-pass filters, Q switching |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | Electrical Engineering |
| ID Code: | 71627 |
| Deposited By: | Widya Wahid |
| Deposited On: | 20 Nov 2017 08:28 |
| Last Modified: | 20 Nov 2017 08:28 |
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