Periodic intensity variations on the pulse-train of a passively mode-locked fiber ring laser

We investigate the evolvement of the periodic intensity variations of the pulse-train in a fiber ring laser mode-locked by the nonlinear polarization rotation technique. It is found that the phenomenon of such intensity fluctuations is related to the orientation of the polarization controllers when...

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Bibliographic Details
Published in:Optics communications 2010-10, Vol.283 (19), p.3798-3802
Main Authors: Yang, Lingzhen, Zhu, Jianfeng, Qiao, Zhanduo, Yan, Xiyue, Wang, Yuncai
Format: Article
Language:English
Subjects:
Controllers
Exact sciences and technology
Fiber laser
Fiber lasers
Fibers
Fluctuation
Fundamental areas of phenomenology (including applications)
Holes
Laser optical systems: design and operation
Lasers
Mode-locked
Modulation, tuning, and mode locking
Nonlinear optics
Nonlinear polarization rotation
Nonlinearity
Optical solitons
nonlinear guided waves
Optics
Physics
Polarization
Pumps
Ring lasers
Soliton
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Summary:We investigate the evolvement of the periodic intensity variations of the pulse-train in a fiber ring laser mode-locked by the nonlinear polarization rotation technique. It is found that the phenomenon of such intensity fluctuations is related to the orientation of the polarization controllers when the pump power is fixed. The numerical results show that the mechanism of the periodic intensity variations is caused by the interaction of the nonlinear polarization rotation and the passive polarizer in the cavity.
ISSN:0030-4018
1873-0310
DOI:10.1016/j.optcom.2010.05.036