Ultra-stable and ultra-wideband wavelength-tunable actively mode-locked short-cavity fiber ring laser using a bismuth-based highly nonlinear erbium-doped fiber


We demonstrate an actively mode-locked short-cavity laser employing a 151cm-long bismuth-oxide-based highly nonlinear erbium-doped fiber. Stable 10GHz short pulses are obtained with an 87nm tuning range. An 8m-long cavity realizes better stability against external perturbation. 


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