Dual-wavelength nano-engineered Thulium-doped fiber laser via bending of singlemode-multimode-singlemode fiber structure

Zulkifli, A.Z. and Latiff, A.A. and Paul, M.C. and Yasin, M. and Ahmad, Harith and Harun, Sulaiman Wadi (2016) Dual-wavelength nano-engineered Thulium-doped fiber laser via bending of singlemode-multimode-singlemode fiber structure. Optical Fiber Technology, 32. pp. 96-101. ISSN 1068-5200

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Official URL: http://dx.doi.org/10.1016/j.yofte.2016.10.003

Abstract

In this paper, a dual-wavelength fiber laser (DWFL) using nano-engineered Thulium-doped fiber as a gain medium with a bent singlemode-multimode-singlemode fiber structure (SMS) is demonstrated. The SMS structure is packaged systematically using Cr-39 polymer plates to provide linear bending via applied load. Experimental results have proved that the bent SMS is capable to provide highly effective wavelength filter and wavelengths stabilizer by balancing the net cavity gain between the two wavelengths. The DWFL provides very narrow spacing of 0.9 nm, narrow 3 dB spectral linewidth of ∼0.07 nm and SNR of ∼42 dB. Based on stability test, very small mode hopping is observed at the two wavelengths having deviations of ±0 nm and ±0.04 nm respectively. In conjunction, the DWFL provides very stable relative wavelength spacing with a deviation of ±0.04 nm.

Item Type: Article
Uncontrolled Keywords: Singlemode-multimode-singlemode fiber; Dual-wavelength fiber laser; Thulium-doped fiber; Nano-engineered; Cr-39 plastic polymer; Mach-Zehnder interferometer
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Faculty of Science > Dept of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 07 Sep 2017 07:58
Last Modified: 09 Oct 2018 03:28
URI: http://eprints.um.edu.my/id/eprint/17746

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