This paper proposes a mode-locked fber laser based on graphene-coated microfber.The total length of the fber laser resonant cavity is 31.34 m.Under the condition of stable output of bright-dark soliton pairs from the ...This paper proposes a mode-locked fber laser based on graphene-coated microfber.The total length of the fber laser resonant cavity is 31.34 m.Under the condition of stable output of bright-dark soliton pairs from the fber laser,dual-wavelength tuning is realized by adjusting the polarization controller(PC),and the wavelength tuning range is 11 nm.Furthermore,the efects of polarization states on bright-dark solitons are studied.It is demonstrated that the mode-locking state can be switched between conventional solitons and bright-dark solitons in the graphene mode-locked fber laser.Bright-dark soliton pairs with diferent shapes and nanosecond pulse width can be obtained by adjusting the PC and pump power.展开更多
基金supported by the National Natural Science Foundation of China(Grant Nos.62027825 and 62005024)the Natural Science Foundation of Jilin Province(No.20220101130JC)+1 种基金Jilin Province Young Scientifc and Technological Talents Supporting Project(QT202104)supported by the 111 Project of China(No.D21009).
文摘This paper proposes a mode-locked fber laser based on graphene-coated microfber.The total length of the fber laser resonant cavity is 31.34 m.Under the condition of stable output of bright-dark soliton pairs from the fber laser,dual-wavelength tuning is realized by adjusting the polarization controller(PC),and the wavelength tuning range is 11 nm.Furthermore,the efects of polarization states on bright-dark solitons are studied.It is demonstrated that the mode-locking state can be switched between conventional solitons and bright-dark solitons in the graphene mode-locked fber laser.Bright-dark soliton pairs with diferent shapes and nanosecond pulse width can be obtained by adjusting the PC and pump power.
