Switchable semiconductor optical fiber laser incorporating AWG and broadband FBG with high SMSR

Ahmad, Harith and Zulkifli, Mohd Zamani and Thambiratnam, Kavintheran and Latiff, Anas Abdul and Harun, Sulaiman Wadi (2009) Switchable semiconductor optical fiber laser incorporating AWG and broadband FBG with high SMSR. Laser Physics Letters, 6 (7). pp. 539-543. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.200910024.

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Official URL: https://doi.org/10.1002/lapl.200910024

Abstract

In this paper we propose and demonstrate a switchable wavelength fiber laser (SWFL) using a semiconductor optical amplifier (SOA) together with an arrayed waveguide grating (AWG). The proposed SOA-based SWFL is capable of generating up to 14 lasing channels from 1530.1 nm to 1534.9 nm at a channel spacing of 0.8 nm (100 GHz) and a bandwidth of 11.8 and 10.2 nm respectively. The EDFA-based SWFL has a higher peak power at -5 dBm, while to SOA-based SWFL has a peak power of only -10 dBm. However, the SOA-based SWFL exhibits a much better SMSR of between 10 to 20 dB as compared to the SMSR of the EDFA-based SWFL due to the inhomogeneous broadening properties of the SOA.

Item Type: Article
Funders: UNSPECIFIED
Uncontrolled Keywords: Arrayed waveguide; Fiber laser; Semiconductor optical amplifier; Switchable laser source
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Faculty of Science > Department of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 28 Nov 2018 08:05
Last Modified: 28 Nov 2018 08:05
URI: http://eprints.um.edu.my/id/eprint/19764

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