Theoretical and experimental studies on a Q-switching operation in an erbium-doped fiber laser using vanadium oxide as saturable absorber

Nady, Ahmed and Latiff, Anas Abdul and Numan, Arshid and Raymond Ooi, Chong Heng and Harun, Sulaiman Wadi (2018) Theoretical and experimental studies on a Q-switching operation in an erbium-doped fiber laser using vanadium oxide as saturable absorber. Laser Physics, 28 (8). 085106. ISSN 1054-660X

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Official URL: https://doi.org/10.1088/1555-6611/aac715

Abstract

We introduce theoretical analysis for a passively Q-switching operation in an erbium-doped fiber laser (EDFL) with a saturable absorber (SA). Peak power, repetition rate, and pulse duration have been calculated as functions of pump power and cavity length. The simulation results are compared with the passively Q-switched EDFL demonstrated using vanadium oxide (V2O5) as SA. The nonlinear saturable absorption of the V2O5-SA is characterized by a modulation depth of 7% with a saturation intensity of 71 MW cm-2. This is the first demonstration of a fiber laser based on a V2O5-SA that introduces new opportunity for photonic applications. The introduced theoretical model could be highly useful for understanding and improving Q-switched EDFLs based on a SA.

Item Type: Article
Uncontrolled Keywords: fiber laser; passive saturable absorber; Q-switching
Subjects: Q Science > Q Science (General)
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: 08 May 2019 08:13
Last Modified: 08 May 2019 08:13
URI: http://eprints.um.edu.my/id/eprint/21178

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