Comprehensive study on the parameters affecting the line-width and stability of SOA-based SLM random fiber laser
Shawki, H.A.; Kotb, Hussein; Khalil, Diaa;
Abstract
We report several techniques affecting line-width and long-term stability of single longitudinal mode (SLM) random fiber laser (RFL) based on Rayleigh backscattering in a standard single mode fiber as distributed mirrors, and a semiconductor optical amplifier (SOA) as the gain medium. Three parameters were investigated; single mode fiber (SMF) length, the optical filter bandwidth, and the type of the cavity reflecting mirror. Line-width of the laser was measured at three values of SMF length; 100 m, 1 km, and 2 km. Impact of the optical filter bandwidth on the laser line-width was studied. Finally, long-term stability was characterized for two types of reflecting mirrors; a silver coated mirror, and a Faraday rotating mirror (FRM).
Other data
| Title | Comprehensive study on the parameters affecting the line-width and stability of SOA-based SLM random fiber laser | Authors | Shawki, H.A.; Kotb, Hussein ; Khalil, Diaa | Keywords | Random fiber laser; Narrow line-width; Semiconductor optical amplifier; Single longitudinal mode; Rayleigh Backscattering; Optical filter; Faraday rotating mirror; RAYLEIGH-SCATTERING; DOPED FIBER; RING LASER | Issue Date | 2020 | Publisher | SPIE-INT SOC OPTICAL ENGINEERING | Journal | Proceedings of SPIE - The International Society for Optical Engineering | ISBN | 9781510632837 | ISSN | 1996756X 0277786X | DOI | 10.1117/12.2542661 | Scopus ID | 2-s2.0-85083716891 | Web of science ID | WOS:000549756000049 |
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