Mohd Zamani Zulkifli and Lau, K.Y. and Kbashi, H. and Moh. Yasin and Mahdi, M.A. (2018) A self-pulsing ring cavity ultra-long Raman fiber laser. Laser Physics, 28 (11).

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Abstract

Ultra-long Raman fiber lasers are of significant interest due to their application in the telecommunications industry. In this work we propose a self-pulsing ultra-long Raman fiber laser with a ring cavity configuration. A TrueWave® REACH fiber is deployed as the gain medium for the Raman fiber laser. Three laser cavities with different total cavity lengths are investigated; these generate pulse repetition rates of approximately 25 MHz, 14 MHz and 10 MHz for TrueWave® REACH fibers of lengths 28 km, 56 km and 76 km, respectively. With a similar pump power of 2.48 W a broader spectral bandwidth is observed for the shorter laser cavity. The highest signal-to-noise ratios of 46 dB and 47 dB are attained for laser cavities with 56 km and 76 km TrueWave® REACH fibers at pump powers of 1.62 W and 1.97 W, respectively. This work differs from previous works which mostly employed a linear laser cavity configuration and other gain media to obtain a self-pulsing Raman fiber laser. © 2018 Astro Ltd.

Item Type:	Article
Additional Information:	cited By 1
Uncontrolled Keywords:	Fiber lasers; Fibers; Laser resonators; Pulse repetition rate; Pumping (laser); Signal to noise ratio; Telecommunication industry, Cavity configuration; Cavity length; Pulsed fiber lasers; Raman fiber lasers; Ring cavities; Spectral bandwidth; Telecommunications industry; Ultra longs, Pulsed lasers
Divisions:	Artikel Ilmiah > SCOPUS INDEXED JOURNAL
Creators:	Creators NIM Mohd Zamani Zulkifli UNSPECIFIED Lau, K.Y. UNSPECIFIED Kbashi, H. UNSPECIFIED Moh. Yasin UNSPECIFIED Mahdi, M.A. UNSPECIFIED
Depositing User:	Ika Rudianto
Last Modified:	31 Dec 2020 14:24
URI:	http://repository.unair.ac.id/id/eprint/102365
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