Influence of Spectral Filtration on Pulse Dynamics in Ring-Cavity Mamyshev Oscillator

被引:13
作者
Bednyakova, Anastasia [1 ,2 ]
Kuprikov, Evgeny [1 ]
Geraseva, Irina [1 ]
Kokhanovskiy, Alexey [1 ]
机构
[1] Novosibirsk State Univ, Dept Laser Phys & Innovat Technol, 1 Pirogova Str, Novosibirsk 630090, Russia
[2] Inst Computat Technol SB RAS, Novosibirsk 630090, Russia
来源
APPLIED SCIENCES-BASEL | 2021年 / 11卷 / 21期
关键词
Mamyshev oscillator; spectral filtration; build-up dynamics; Faraday instability; Floquet stability analysis; numerical modeling; POWER; MEGAWATT;
D O I
10.3390/app112110398
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Here we present a numerical study of pulsing build-up dynamics inside the fiber Mamyshev Oscillator (MO). The main scope of the investigation is to describe the influence of the spectral separation between the filters on self-starting MO dynamics and transition from multipulse to single-pulse generation regimes. It was found that Floquet stability analysis provides a straightforward way to determine whether the system will be self-starting or if it has to be excited by external source and predicts the repetition rate of the pulse train. We showed that spectrally overlapped bandpass filters provide reliable multi-pulse generation due to Faraday instability. Adiabatic increase in the spectral separation between the filters decreases the number of pulses down to single-pulse regime, therefore providing a flexible way to generate adjustable number of mode-locked pulses on demand.
引用
收藏
页数:7
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