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Black Phosphorus-Film with Drop-Casting Method for High-Energy Pulse Generation From Q-Switched Er-Doped Fiber Laser
Photonic Sensors ( IF 4.4 ) Pub Date : 2019-04-23 , DOI: 10.1007/s13320-019-0549-6
Huanhuan Liu , Wei Song , Ye Yu , Qiao Jiang , Fufei Pang , Tingyun Wang

We have reported high-energy pulse generation from a Q-switched Er-doped fiber laser based on black phosphorus (BP) with a drop-casting method. Poly dimethyl diallyl ammonium (PDDA) is employed to protect BP. A passive Q-switching operation is achieved by using the BP/polyvinyl alcohol (PVA) film as the saturable absorbers (SAs). When the pump power increases from 130.4 mW to 378 mW, the repetition rate increases from 13.33 kHz to 26.6 kHz, and the pulse duration decreases from 10.67 μs to 7.11 μs. The maximum pulse energy is 468.03 nJ, to the best of our knowledge, which is the highest pulse energy produced from Q-switched fiber laser based on BP-SA at 1.5 μm. The obtained high-energy pulse demonstrates that BP/PVA film fabricated by such a drop-casting method can provide an ideal SA for high pulse energy generation from fiber lasers, and it has a potential application of remote sensing.

中文翻译:

黑色磷膜滴铸法从掺Q掺Er光纤激光器产生高能脉冲

我们已经报道了基于滴灌法的基于黑磷(BP)的调Q掺with光纤激光器产生的高能脉冲。聚二甲基二烯丙基铵(PDDA)用于保护BP。通过使用BP /聚乙烯醇(PVA)膜作为可饱和吸收剂(SA),可以实现无源Q开关操作。当泵浦功率从130.4 mW增加到378 mW时,重复频率从13.33 kHz增加到26.6 kHz,脉冲持续时间从10.67μs减小到7.11μs。据我们所知,最大脉冲能量为468.03 nJ,这是基于BP-SA的调Q光纤激光器在1.5μm处产生的最高脉冲能量。所获得的高能脉冲表明,通过这种滴铸法制备的BP / PVA膜可以为光纤激光器产生高脉冲能量提供理想的SA,
更新日期:2019-04-23
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