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首页> 外文期刊>Nanotechnology >Conventional solitons and bound-state solitons in an erbium-doped fiber laser mode-locked by TiSe2-based saturable absorber
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Conventional solitons and bound-state solitons in an erbium-doped fiber laser mode-locked by TiSe2-based saturable absorber

机译：常规孤子和绑定状态孤子在掺铒光纤激光模式下由TISE2系饱和吸收器锁定

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摘要

Conventional solitons (CSs) as well as bound-state solitons in a passively mode-locked erbium-doped fiber (EDF) laser based on 1 T-phase titanium diselenide (1 T-TiSe2) saturable absorber (SA) have been systematically demonstrated for the first time. The mode locker is assembled by sandwiching the 1 T-TiSe(2)film between two fiber ferrules to improve compatibility with the all-fiber-integrated ring cavity configuration. The modulation depth, saturation intensity and nonsaturable loss of the prepared 1 T-TiSe(2)SA are 14.36%, 1.33 MW cm(-2)and 9.44%, respectively. The system is switchable between two states: CS and bound-state CS, by carefully adjusting the orientations of the polarization controller (PC). In the CS mode-locked regime, the oscillating wavelength is centered at 1558.294 nm with a pulse duration of 1.74 ps, a pulse repetition rate of 3.23 MHz and a maximum average output power of 2.904 mW. In the bound-state CS regime, two identical solitons form the bound-state pulses with a temporal separation of 6.1 ps, and the bound-state pulses are equally distributed at a repetition rate of 3.23 MHz, corresponding to the fundamental cavity repetition rate. The experimental results further indicate that 1 T-TiSe(2)SA is competitive with the existing SAs explored so far and will promote the applications of 1 T-TiSe2-based SAs in the field of ultrafast lasers.
机译：常规孤子（CSS）以及基于1个T相钛的掺丝纤维（EDF）激光（1 T-TiSE2）可饱和吸收器（SA）的被动模式锁定的铒掺杂纤维（EDF）激光中的常规孤子孤子（EDF）激光器用于第一次。通过在两个纤维套圈之间夹选1 T-TISTE（2）薄膜来组装模式储物柜，以提高与全纤维集成环腔配置的兼容性。制备的1 T-TISE（2）SA的调制深度，饱和强度和非饱和损失分别为14.36％，1.33mW cm（-2）和9.44％。系统在两个状态之间切换：CS和绑定状态CS，通过仔细调整偏振控制器（PC）的方向。在CS模式锁定状态下，振荡波长以1558​​.294nm为中心，脉冲持续时间为1.74 ps，脉冲重复率为3.23mHz，最大平均输出功率为2.904 mW。在绑定状态CS制度中，两个相同的孤子形成具有6.1 ps的时间分离的绑定状态脉冲，并且界定状态脉冲以3.23mHz的重复率同等地分布，对应于基本腔重复率。实验结果进一步表明，1 T-TISTS（2）SA与迄今探讨的现有SA有竞争力，并将促进1 T-TISTIS2的SA在超速激光器领域的应用。

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