Pulse train stability in passively Mode-locked Erbium-doped fiber laser with a nonlinear polarization rotation

Nur Ameelia Abdul Kadir, Nurul Alina Afifi Norizan, Azura Hamzah


A nonlinear polarization rotation technique-based mode-locked erbium-doped fiber laser has been experimentally demonstrated using a 0.75 m long highly concentrated erbium-doped fiber as the gain medium. With unintentional polarization dependent loss induced by twisting single-mode fiber in an intracavity polarization controller, the optical output of the laser shifts from continuous wavelength to modelocked soliton pulse. A stable and cleaner pulse with a repetition rate of 15.32 MHz laser wavelengths and a pulse energy of 0.496 nJ with optical signal-to noise ratio of more than 33 dB are successfully obtained using a simple ring cavity.


Mode locking laser, Nonlinear polarization rotation, Polarization dependent isolator, Erbium-doped, Ring cavity

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DOI: http://doi.org/10.11591/ijeecs.v15.i3.pp1212-1216


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The Indonesian Journal of Electrical Engineering and Computer Science (IJEECS)
p-ISSN: 2502-4752, e-ISSN: 2502-4760
This journal is published by the Institute of Advanced Engineering and Science (IAES) in collaboration with Intelektual Pustaka Media Utama (IPMU).

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