Highly stable and tunable narrow-spacing dual-wavelength ytterbium-doped fiber using a microfiber Mach–Zehnder interferometer

Ahmad, Harith and Salim, M.A.M. and Azzuhri, Saaidal Razalli and Harun, Sulaiman Wadi (2016) Highly stable and tunable narrow-spacing dual-wavelength ytterbium-doped fiber using a microfiber Mach–Zehnder interferometer. Optical Engineering (OE), 55 (2). 026114. ISSN 0091-3286

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Official URL: http://dx.doi.org/10.1117/1.OE.55.2.026114

Abstract

We describe a successful demonstration of highly stable and narrowly spaced dual-wavelength output via an ytterbium-doped fiber laser. A microfiber-based Mach-Zehnder interferometer and a tunable bandpass filter were both placed into the laser ring cavity for the purpose of ensuring a stable and narrowly spaced dual-wavelength output. Experimental results comprised three sets of dual-wavelength lasing output with wavelength spacing of 0.06, 0.09, and 0.22 nm, respectively, and side-mode suppression ratio of ∼50 dBm. A subsequent stability test provided evidence that maximum power and wavelength fluctuation were less than 0.8 dB and 0.01 nm, respectively, and thus, the obtained output was considered to be highly stable in dual-wavelength operation. The proposed system offers advantages of flexibility in dual-wavelength laser generation in addition to excellent reliability.

Item Type: Article
Uncontrolled Keywords: Microfiber; Narrow spacing; Ytterbium-doped fiber laser
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Faculty of Science
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 11 Oct 2017 03:03
Last Modified: 12 Oct 2018 00:56
URI: http://eprints.um.edu.my/id/eprint/17955

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