Single-longitudinal-mode operation in tunable novel zirconia-yttria-alumina-erbium-doped fiber laser

Ahmad, Harith and Thambiratnam, K. and Paul, M.C. and Harun, Sulaiman Wadi (2014) Single-longitudinal-mode operation in tunable novel zirconia-yttria-alumina-erbium-doped fiber laser. Laser Physics, 24 (8). pp. 1-6. ISSN 1054-660X, DOI

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A tunable, single-longitudinal-mode (SLM) fiber laser based on a short length, highly doped zirconia–erbium doped fiber (Zr-EDF) is proposed and demonstrated. The Zr-EDF is a novel fiber with an erbium ion concentration of 4320 ppm wt − 1 and an absorption rate of approximately 22.0 dB m − 1 at 978 nm, while at the same time being highly compatible with conventional silica-based optical fibers. The Zr-EDF is used as the gain medium in the laser cavity, while a tunable C-band fiber Bragg grating is used to adjust the operating wavelength of the system, providing an operating wavelength range of between 1533.8 nm to 1545.0 nm. Two short erbium-doped fibers, with active ion concentrations of 900 ppm wt − 1, serve as saturable absorbers, and allow for an SLM output with a narrow laser linewidth of only 0.2 MHz. The proposed system has multiple applications as a tunable SLM laser for communications and sensing purposes.

Item Type: Article
Uncontrolled Keywords: Zirconia–erbium doped fibers; Single-longitudinal mode; Fiber laser
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
Divisions: Faculty of Science
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 23 Oct 2015 07:36
Last Modified: 08 Apr 2019 06:21

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