Impact of spectral filtering on pulse breaking-up and noise-like pulse generation in all-normal dispersion fiber lasers

Based on mathematic simulations, the impact of spectral filtering on pulse breaking up and noise-like pulse generation in all-normal-dispersion fiber lasers are investigated. Three types of spectrum filters are employed in the simulations, which have a Gaussian-shaped profile, super-Gaussian-shaped...

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Veröffentlicht in:Optics express 2020-07, Vol.28 (15), p.21348-21358
Hauptverfasser: Xu, Runqin, Xu, Fanjiang, Song, Yanrong, Duan, Lei, Song, Yunbo, Tan, Shudan, Liu, Zhaohui
Format: Artikel
Sprache:eng
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Zusammenfassung:Based on mathematic simulations, the impact of spectral filtering on pulse breaking up and noise-like pulse generation in all-normal-dispersion fiber lasers are investigated. Three types of spectrum filters are employed in the simulations, which have a Gaussian-shaped profile, super-Gaussian-shaped profile, and sinusoidal-shaped profile, respectively. With the Gaussian-shaped filter, the pulse breaking-up process is discussed. The super-Gaussian-shaped filter and the sinusoidal-shaped filter have two different formation mechanisms for noise-like pulses and are revealed. In addition, with the sinusoidal-shaped filter, dissipative solitons of different central wavelengths are achieved.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.391186