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首页> 外文期刊>Optical fiber technology >Tunable passively Q-switched erbium-doped fiber laser based on Ti_3C_2T_x MXene as saturable absorber
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Tunable passively Q-switched erbium-doped fiber laser based on Ti_3C_2T_x MXene as saturable absorber

机译：基于Ti_3C_2T_X MXENE可调谐被动Q开关掺铒光纤激光器作为可饱和吸收器

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摘要

The passive generation of Q-switched pulses in an erbium-doped fiber (EDF) laser using a Ti3C2Tx MXene based saturable absorber (SA) was demonstrated. The SA was formed using Ti3AlC2 MAX phase as a precursor for Ti3C2Tx MXene which was obtained by etching Ti3AlC2 using a mixture of lithium fluoride and hydrochloric acid. The generated pulse output was obtained at a central wavelength of 1563 nm with a signal to noise ratio (SNR) of 51.1 dB at a pump power of 244.5 mW. Varying the pump power from 130.1 mW to 244.5 mW resulted in corresponding changes in the repetition rates and the pulse durations from 29.76 kHz to 48.74 kHz and 2.74 mu s to 1.18 mu s respectively. A pulse energy of 82.06 nJ was also obtained at the maximum pump power. Stable Q-switching could be observed up to 44 nm tuning range starting from 1532 nm to 1576 nm. The generated outputs indicated that the Ti3C2Tx based SA can generate high quality and stable Q-switched pulses in the EDF laser cavity, and has high potential for use in various optical telecommunications applications.
机译：证实了使用Ti3C2TX MXENE基于饱和吸收器（SA）的掺铒光纤（EDF）激光器中的Q开关脉冲的被动产生。使用Ti3AlC2 Max相形成Sa作为Ti3C2Tx MxENE的前体，通过使用氟化锂和盐酸的混合物来蚀刻Ti3AlC2获得。在1563nm的中心波长的中心波长下获得产生的脉冲输出，以244.5mW的泵浦功率为51.1dB的信噪比（SNR）。将泵功率从130.1 mw变为244.5 mw，导致重复速率的相应变化和脉冲持续时间分别为29.76kHz至48.74 kHz和2.74亩至1.18μs。在最大泵浦电力下也获得了82.06 NJ的脉冲能量。稳定的Q切换可观察到高达44nm调谐范围从1532 nm到1576nm开始。所产生的输出表明，基于Ti3C2Tx的SA可以在EDF激光腔中产生高质量和稳定的Q开关脉冲，并且具有高潜力的各种光电信应用。

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