Evanescent field interaction of 1550 nm pulsed laser with silver nanomaterial coated D-shape fiber

Muhammad, A. R. and Rusdi, M. F. and Jafry, A. A. A. and Markom, A. M. and Jusoh, Z. and Haris, H. and Harun, S. W. and Yupapin, P. (2021) Evanescent field interaction of 1550 nm pulsed laser with silver nanomaterial coated D-shape fiber. Infrared Physics & Technology, 119. ISSN 1350-4495, DOI https://doi.org/10.1016/j.infrared.2021.103920.

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The paper presents a newly developed fiber-based saturable absorber (SA) operating at 1550 nm waveband. The fiber-based-SA constructed from side-polished fiber called D-shape fiber and with deposited silver nanoparticles act as a nonlinear material for ultrafast laser generation. The interaction between silver nanoparticles and exposed oscillated laser light in cavity were due to evanescent wave (EW) field phenomenon with 1.44% of modulation depth recorded. Stable pulse train of similar to 1.00 MHz with 2.24 ps pulse width, 10.73 nJ pulse energy, 77.83 dB high signal to noise ratio and 11 mW output power at 1563.24 nm were achieved. Our findings suggests that the properties owned by silver-coated D-shaped fiber via EW can be a great alternative towards conventional film saturable absorber.

Item Type: Article
Funders: Ministry of Education of Malaysia with Fundamental Research Grant Scheme (FRGS) Project [Grant No: FP068-2019A], Fundamental Research Grant Scheme for Research Acculturation of Early Career Researchers [Grant No: 600-IRMI/FRGSRACER 5/3 (107/2019)]
Uncontrolled Keywords: Nanosecond pulse laser; D-shape fiber; Erbium doped fiber
Subjects: Q Science > QC Physics
R Medicine > RE Ophthalmology > Optometry. Opticians. Eyeglasses
Divisions: Faculty of Engineering > Department of Electrical Engineering
Depositing User: Ms Zaharah Ramly
Date Deposited: 18 Jul 2022 07:22
Last Modified: 18 Jul 2022 07:22
URI: http://eprints.um.edu.my/id/eprint/33879

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