Citation
Abstract
A tunable passively Q-switched erbium-doped fiber laser with ultranarrow linewidth is proposed and demonstrated. With the single wall carbon nanotubes (SWCNTs) as the passive Q-switch, the ultranarrow linewidth laser operation is realized based on spectral filtering effect. Using an ultranarrow tunable bandpass filter (UNTBF). The Q-switched laser spectrum is tunable from 1525 to 1561 nm, covering a wavelength range of 36 nm. At 1545 nm, the highest repetition rate of ~38 kHz and the lowest pulse width of 1.15 μs are obtained, with the corresponding pulse energy of approximately 0.18 nJ. The linewidth measurement using self-heterodyne technique yields a linewidth value of 17.5 kHz, which may be the narrowest linewidth for a Q-switched fiber laser to the best of our knowledge.
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Additional Metadata
| Item Type: | Article |
|---|---|
| Divisions: | Faculty of Science |
| DOI Number: | https://doi.org/10.1016/j.rinp.2020.102949 |
| Publisher: | Elsevier BV |
| Keywords: | Ultra-narrow linewidth; Tunable wavelength; Passively Q-switched and erbium; Doped fiber laser |
| Depositing User: | Nurul Ainie Mokhtar |
| Date Deposited: | 19 Oct 2022 01:26 |
| Last Modified: | 19 Oct 2022 01:26 |
| Altmetrics: | http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/j.rinp.2020.102949 |
| URI: | http://psasir.upm.edu.my/id/eprint/86407 |
| Statistic Details: | View Download Statistic |
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