G. Krishnan, S. Q. A. Talib, A. A. Aminuddin Jafry, S. W. Harun, M. S. Abd Aziz, and M. Abdullah, “Q-switched Erbium-doped Fiber Laser Utilising a Saturable Absorber Based on Brass Nanoparticles”, JOIT, vol. 2024, Sep. 2024.