Generation of noise-like pulses and soliton rains in a graphene mode-locked erbium-doped fiber ring laser

Pinghua TANG; Mulin LUO; Ting ZHAO; Yuliang MAO

doi:10.1631/FITEE.2000372

Front. Inform. Technol. Electron. Eng ›› 2021, Vol. 22 ›› Issue (3) : 303 -311. DOI: 10.1631/FITEE.2000372

Orginal Article

Generation of noise-like pulses and soliton rains in a graphene mode-locked erbium-doped fiber ring laser

Pinghua TANG ¹^,^†
, Mulin LUO ¹^,^†
, Ting ZHAO ²^,^†
, Yuliang MAO ¹^,^†

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Abstract

We demonstrate the generation of noise-like pulses (NLPs) and soliton rains in a graphene saturable absorber modelocked erbium-doped fiber laser. Typical NLPs are obtained at a proper pump power and in a cavity polarization state. The soliton rain operation with multiple solitons can be achieved by finely adjusting the cavity polarization state. In addition, distinctive multi-soliton interactions are observed and investigated, including the fundamental mode-locking and multiple pulses. The experimental results can help further understand nonlinear pulse dynamics in ultrafast optics.

Keywords

Erbium-doped fiber lasers / Graphene / Saturable absorption / Passive mode-locking

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Pinghua TANG, Mulin LUO, Ting ZHAO, Yuliang MAO. Generation of noise-like pulses and soliton rains in a graphene mode-locked erbium-doped fiber ring laser. Front. Inform. Technol. Electron. Eng, 2021, 22(3): 303-311 DOI:10.1631/FITEE.2000372