A few-picosecond and high-peak-power passively mode-locked erbium-doped fibre laser based on zinc oxide polyvinyl alcohol film saturable absorber

Alani, Ibrahim A.M. and Lokman, Muhammad Quisar and Ahmed, Mahmoud Hazzaa M. and Al-Masoodi, Ahmed Hasan Hamood and Latiff, Anas Abdul and Harun, Sulaiman Wadi (2018) A few-picosecond and high-peak-power passively mode-locked erbium-doped fibre laser based on zinc oxide polyvinyl alcohol film saturable absorber. Laser Physics, 28 (7). 075105. ISSN 1054-660X

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Official URL: https://doi.org/10.1088/1555-6611/aabd24

Abstract

This paper demonstrates a few-picosecond and high-peak-power mode-locked fiber laser, using an erbium-doped fiber as a gain medium and zinc oxide (ZnO) element as a new passively saturable absorber (SA). The ZnO element was synthesized using a seeding solution and amended with a polyvinyl alcohol to form a film. The ZnO has been identified as an ideal SA due to its high nonlinear optical response, high sustainability to damage threshold, and fast recovery time. Self-started mode-locked laser pulses have been generated at a relatively low pump power of 42 mW with a fundamental repetition rate and pulse duration of 3.26 MHz and 2.60 ps, respectively. The proposed laser operates at 1599.5 nm with a 3 dB spectral bandwidth of 1.12 nm. A maximum output power, pulse energy, and peak power of about 6.91 mW, 2.12 nJ, and 0.82 kW, respectively, are obtained at a maximum pump power of 159 mW. From these findings, we confirm that the proposed laser can be viewed as a promising light source in the emerging optical communication system.

Item Type: Article
Uncontrolled Keywords: iber lasers; optical pulse generation; solitons
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 27 Sep 2019 00:53
Last Modified: 27 Sep 2019 00:53
URI: http://eprints.um.edu.my/id/eprint/22591

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