25 October 2016 Passively harmonic mode-locked pulses in thulium-doped fiber laser based on nonlinear polarization rotation
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Abstract
A simple approach to generate passively harmonic mode-locked pulse trains in thulium-doped fiber laser based on nonlinear polarization rotation is proposed and demonstrated. Three different ways of mode-locked techniques have been employed in our structure to generate passively high-order harmonic mode-locked pulse trains; 128th-order passively harmonic mode-locked pulse train is achieved in the experiment and the repetition rate is 406.8 MHz. With the increase of the pump power, multiwavelength output can be tuned. A segment of dispersion compensation fiber is used to compensate the dispersion in the cavity; thus, the single pulse width is compressed from 617 to 48 ps.
© 2016 Society of Photo-Optical Instrumentation Engineers (SPIE)
Qingsong Jia, Qingsong Jia, Tianshu Wang, Tianshu Wang, Wanzhuo Ma, Wanzhuo Ma, Peng Liu, Peng Liu, Peng Zhang, Peng Zhang, Baoxue Bo, Baoxue Bo, Yan Zhang, Yan Zhang, } "Passively harmonic mode-locked pulses in thulium-doped fiber laser based on nonlinear polarization rotation," Optical Engineering 55(10), 106121 (25 October 2016). https://doi.org/10.1117/1.OE.55.10.106121 . Submission:
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