【摘 要】
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A simple scheme of switchable dual-wavelength passively mode-locked fiber laser is demonstrated.The laser can be fiexibly switched among different mode-locked s
【机 构】
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State Key Laboratory Luminescent Materials and Devices, and Institute of Optical Communication Mater
论文部分内容阅读
A simple scheme of switchable dual-wavelength passively mode-locked fiber laser is demonstrated.The laser can be fiexibly switched among different mode-locked states simply by tuning the cavity loss while keeping all the other cavity parameters fixed.As the cavity loss increases,the mode-locked fiber laser operates at the long-wavelength,dual-wavelength,and short-wavelength states,successively.In addition,these states can be conveniently switched without losing the mode-locked operation and the switching process is reversible as the cavity loss decreases.The mechanism is qualitatively explained by the balance between the fiber gain and the cavity loss.
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