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Proceedings Paper

Comprehensive study on the parameters affecting the line-width and stability of SOA-based SLM random fiber laser
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Paper 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).

Paper Details

Date Published: 21 February 2020
PDF: 8 pages
Proc. SPIE 11260, Fiber Lasers XVII: Technology and Systems, 1126028 (21 February 2020); doi: 10.1117/12.2542661
Show Author Affiliations
Heba A. Shawki, National Telecommunication Institute (Egypt)
Hussein E. Kotb, National Telecommunication Institute (Egypt)
Diaa Khalil, Ain Shams Univ. (Egypt)

Published in SPIE Proceedings Vol. 11260:
Fiber Lasers XVII: Technology and Systems
Liang Dong, Editor(s)

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