Picosecond dissipative soliton generation from an ytterbium-doped fiber laser based on a BP/SnSe2-PVA mixture saturable absorber
Yuting Ouyang , Jiayu Zhang , Wanggen Sun , Mengxiao Li , Tao Chen , Haikun Zhang , Wenjing Tang , Wei Xia
Front. Optoelectron. ›› 2023, Vol. 16 ›› Issue (3) : 19
Picosecond dissipative soliton generation from an ytterbium-doped fiber laser based on a BP/SnSe2-PVA mixture saturable absorber
Stable picosecond dissipative soliton pulses were observed in an ytterbium-doped fiber laser employing a high-quality mixture of BP/SnSe2-PVA saturable absorber (SA). The modulation depth, saturation intensity, and non-saturable loss of the mixture of BP/SnSe2-PVA SA were measured with values of 5.98%, 18.37 MW/cm2, and 33%, respectively. Within the pump power range of 150–270 mW, stable dissipative soliton pulses were obtained with an output power of 1.68–4 mW. When the minimum pulse duration is 1.28 ps, a repetition rate of 0.903 MHz, center wavelength of 1064.38 nm and 3 dB bandwidth of 2 nm were obtained. The maximum pulse energy of 4.43 nJ and the signal-to-noise ratio up to 72 dB were achieved at pump power of 270 mW. The results suggest that the BP/SnSe2-PVA mixture SA has outstanding nonlinear saturable absorption characteristics and broad ultrafast laser applications.
Dissipative soliton / Ytterbium-doped fiber laser / Mixture of BP/SnSe 2-PVA / Mode-locking
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The Author(s) 2023
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