5 August 2015 Transitions of various operation states in a dissipative soliton mode-locked fiber laser
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Abstract
Multiple-pulse generation is often achieved in a passively mode-locked fiber laser when the mode-locking mechanisms are overdriven. Under certain circumstances, passively harmonic mode-locking (HML) and bound state of multiple pulses can also be observed. In this paper, a three-state switchable dissipative soliton (DS) mode-locked fiber laser based on a semiconductor saturable absorber mirror (SESAM) has been experimentally demonstrated for the first time. With a pump power of ~175 mW, operation states of multiple pulses (two pulses), 2nd-order HML and bound state of two DSs were observed by only adjusting the polarization controller (PC) inside the cavity. At a higher pump power level (~276 mW), operation states of multiple pulses (three pulses), 3rd-order HML and bound state of three DSs were observed by changing the state of the PC. From the experimental results, it seems that there is a correlative relationship among the three operation states (N pulses/Nth-order HML/ bound state of N pulses) for the DS fiber laser and these states are switchable by only adjusting the cavity birefringence with a PC under the same pump power level.
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Xin Zou, Xin Zou, Ming Li, Ming Li, Jifang Qiu, Jifang Qiu, Jindan Shi, Jindan Shi, Jian Wu, Jian Wu, } "Transitions of various operation states in a dissipative soliton mode-locked fiber laser", Proc. SPIE 9619, 2015 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing, 961902 (5 August 2015); doi: 10.1117/12.2192642; https://doi.org/10.1117/12.2192642
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