Passively Q-switched erbium-doped fiber laser based on Polyaniline Boron Nitride as saturable absorber
DOI:
https://doi.org/10.53655/joe.g6606yKeywords:
Polyacrylonitrile, Boron Nitride, C-Band, Q-switched, saturable absorber, Erbium, Fiber LaserAbstract
This study explores the experimental implementation of Polyaniline Boron Nitride (PANI-BN) as a saturable absorber (SA) to generate Q-switched pulses within a 1.5 μm erbium-doped fiber laser (EDFL) cavity. The research demonstrates successful and stable Q-switched operation by optimizing the loss and gain parameters within the laser cavity. The system operated with pump powers ranging from 92.7 mW to 212.1 mW, during which the repetition rate increased from 72.27 kHz to 93.9 kHz. Simultaneously, the pulse width decreased from 6.65 μs to 5.1 μs, highlighting the controlled dynamics of the system. The Q-switched EDFL system emitted at a central wavelength of 1530.2 nm, delivering peak pulse energies that ranged from 9.7 nJ to 976 nJ, and achieved a slope efficiency of 5.5% and a signal-to-noise ratio (SNR) of 57.6 dB. These results underscore the promising potential of PANI-BN as an efficient saturable absorber, offering significant advantages for enhancing the Q-switching performance in fiber laser cavities. This innovation opens the door for the development of more efficient, reliable fiber laser systems with wide-ranging applications in telecommunications, industrial, and scientific fields.
References
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H. Ali, N. Arsad, N. Zulkipli, A. Rosol, M. Yasin, and S. Harun, “Q-switching pulse generation in multiwavelength Brillouin erbium-doped fiber laser,” Optics Communications, vol. 534, p. 129 300, May 2023, ISSN: 0030-4018. DOI: 10.1016/j.optcom.2023.129300
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Copyright (c) 2025 Hasanain Naser, Norhana Arsad, Aeriyn D. Ahmad D. Ahmad, Nurul Izzah S. Wadi, Taj-Aldeen Naser Abdali

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