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Dual-wavelength Q-switched erbium-doped fiber laser using an SMF-MMF-SMF structure and graphene oxide

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Abstract

We have successfully demonstrated a stable dual-wavelength Q-switched erbium-doped fiber laser (EDFL) using a single mode fiber-multimode fiber-single mode fiber (SMF-MMF-SMF) structure-based filter. Using a graphene oxide (GO) saturable absorber (SA) to modulate the cavity loss, passive Q-switching of the dual-wavelength laser is achieved at 1 549.6 nm and 1 558.6 nm. The laser recorded the shortest pulse width of about 2.9 µs, the maximum pulse repetition rate of 65.27 kHz and the maximum average output power of 0.99 mW at pump power of 225.1 mW. The present laser has the maximum pulse energy of 15.17 nJ. A 2 SMF-MMF-SMF structure has been experimentally confirmed to be very promising as a wavelength filter.

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Authors and Affiliations

  1. Department of Physics, Faculty of Science, University of Malaya, Kuala Lumpur, 50603, Malaysia

    S. F. S. M. Noor

  2. Department of Communication Engineering, Al-Ma’moon University College, Baghdad, 700921, Iraq

    B. A. Ahmad

  3. Photonics Engineering Laboratory, Department of Electrical Engineering, University of Malaya, Kuala Lumpur, 50603, Malaysia

    A. H. A. Rosol & S. W. Harun

  4. Department of Engineering, Faculty of Advanced Technology and Multidiscipline, Airlangga University, Surabaya, Indonesia

    A. H. A. Rosol & R. Apsari

  5. Photonics Research Center, University of Malaya, Kuala Lumpur, 50603, Malaysia

    H. Ahmad

  6. Department of Physics, Faculty of Science and Technology, Airlangga University, Surabaya, Indonesia

    R. Apsari

Authors
  1. S. F. S. M. Noor
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  2. B. A. Ahmad
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  3. A. H. A. Rosol
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  4. H. Ahmad
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  5. R. Apsari
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  6. S. W. Harun
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Corresponding author

Correspondence to S. W. Harun.

Additional information

This work has been supported by the Airlangga University Grant Scheme (2022).

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The authors declare that there are no conflicts of interest related to this article.

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Noor, S.F.S.M., Ahmad, B.A., Rosol, A.H.A. et al. Dual-wavelength Q-switched erbium-doped fiber laser using an SMF-MMF-SMF structure and graphene oxide. Optoelectron. Lett. 18, 668–672 (2022). https://doi.org/10.1007/s11801-022-2097-3

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  • DOI: https://doi.org/10.1007/s11801-022-2097-3

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