4 October 2006 Repetition rate switching in a passively mode-locked fibre laser
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Proceedings Volume 6351, Passive Components and Fiber-based Devices III; 63513Z (2006) https://doi.org/10.1117/12.688967
Event: Asia-Pacific Optical Communications, 2006, Gwangju, South Korea
Abstract
Here we demonstrated a dispersion stretched passively mode-locked fiber laser. The laser was mode-locked by nonlinear polarization rotation (NPR) technical. Both dispersion managed soliton and noise-like pulses were observed in the experiment. Harmonic mode-locked noise-like pulses were observed. By changing the pump power or rotating the waveplates, noise-like pulse could split and always form equally spaced pulse train, thus the repetition rate of the output pulse could be switched among different orders of harmonic frequency. The experiment results were analyzed. We found that peak power clamping caused by NPR module led to pulse splitting, the pulse interaction through the Raman light drives the pulse to space equally.
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X. L. Tian, M. Tang, Y. D. Gong, P. Shum, "Repetition rate switching in a passively mode-locked fibre laser", Proc. SPIE 6351, Passive Components and Fiber-based Devices III, 63513Z (4 October 2006); doi: 10.1117/12.688967; https://doi.org/10.1117/12.688967
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