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Authors: Catarina Monteiro 1 ; 2 ; Rosa P. Herrera 3 ; 4 ; Susana Silva 1 and Orlando Frazão 1

Affiliations: 1 INESC TEC—Institute for Systems and Computer Engineering, Technology and Science, Rua do Campo Alegre 687, 4150-179 Porto, Portugal ; 2 Department of Engineering Physics, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal ; 3 Department of Electrical, Electronic and Communication Engineering, Public University of Navarra, 31006 Pamplona, Spain ; 4 Institute of Smart Cities (ISC), Public University of Navarra, 31006 Pamplona, Spain

Keyword(s): Fiber Laser, Graphene Oxide, Saturable Absorption.

Abstract: The use of graphene oxide (GO) as a saturable absorber for short pulses generation in an Erbium-doped fiber laser was studied and demonstrated. The saturable absorber consisted of a thin GO film, with a high concentration of monolayer GO flakes, spray-coated on the end face of a ferrule-connected fiber. By including the saturable absorber in the laser cavity and controlling the intra-cavity polarization, the generation of short-pulsed light was achieved under mode-locking and Q-switching operations. Under mode-locking operation, it was observed a pulse train with a fundamental repetition rate of 1.48 MHz, with a working wavelength centered at 1564.4 nm. In the Q-switch operation, a pulse train with a 12.7 kHz repetition rate and a 14.3 µs pulse duration was attained for a 230-mA pump current. Further investigation showed a linear dependence of the repetition rate with the pump power, attaining frequencies between 12.7 and 14.4 kHz.

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Paper citation in several formats:
Monteiro, C.; P. Herrera, R.; Silva, S. and Frazão, O. (2023). Short Pulse Generation in Erbium-Doped Fiber Lasers Using Graphene Oxide as a Saturable Absorber. In Proceedings of the 11th International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS; ISBN 978-989-758-632-3; ISSN 2184-4364, SciTePress, pages 78-81. DOI: 10.5220/0011700400003408

@conference{photoptics23,
author={Catarina Monteiro. and Rosa {P. Herrera}. and Susana Silva. and Orlando Frazão.},
title={Short Pulse Generation in Erbium-Doped Fiber Lasers Using Graphene Oxide as a Saturable Absorber},
booktitle={Proceedings of the 11th International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS},
year={2023},
pages={78-81},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0011700400003408},
isbn={978-989-758-632-3},
issn={2184-4364},
}

TY - CONF

JO - Proceedings of the 11th International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS
TI - Short Pulse Generation in Erbium-Doped Fiber Lasers Using Graphene Oxide as a Saturable Absorber
SN - 978-989-758-632-3
IS - 2184-4364
AU - Monteiro, C.
AU - P. Herrera, R.
AU - Silva, S.
AU - Frazão, O.
PY - 2023
SP - 78
EP - 81
DO - 10.5220/0011700400003408
PB - SciTePress