Compact L-band switchable dual wavelength SOA based on linear cavity fiber laser

Ahmad, Harith and Zainudin, F.M. and Azmi, Atiqah Nabieha and Thambiratnam, Kavintheran and Ismail, Mohammad Faizal and Aminah, Nanik Siti and Zulkifli, Mohd Zamani (2019) Compact L-band switchable dual wavelength SOA based on linear cavity fiber laser. Optik, 182. pp. 37-41. ISSN 0030-4026

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Official URL: https://doi.org/10.1016/j.ijleo.2019.01.003

Abstract

A semiconductor optical amplifier (SOA) based linear cavity L-band dual wavelength fiber laser (DWFL) with a switchable output is proposed and its operation demonstrated. The DWFL is configured as a linear cavity, with a 1 × 24 arrayed waveguide grating together with two optical switches providing channel spacing tunability. An L-band SOA, with a central operating wavelength of 1580 nm and an operation bandwidth of 1500–1640 nm serves as the gain medium of the proposed laser cavity. The DWFL is able to generate a dual-wavelength output, with the widest spacing obtained being 18.7 nm and the narrowest spacing being 0.8 nm. The generated output is highly stable, with only minor power fluctuations of less than 2 dB as well as having a signal-to-noise ratio of 42 dB. The proposed setup would have numerous uses, particularly for sensor applications.

Item Type: Article
Uncontrolled Keywords: SOA; Dual wavelength fiber laser; L-band; Fiber laser
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
Q Science > QD Chemistry
Divisions: Faculty of Science > Dept of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 23 Jan 2019 08:10
Last Modified: 23 Jan 2019 08:10
URI: http://eprints.um.edu.my/id/eprint/20136

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