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Ultrafast fiber laser based on HfSe2 saturable absorber

机译:超快光纤激光基于HFSE2可饱和吸收器

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摘要

We demonstrate the HfSe2 saturable absorber (SA) for the generation of ultrafast pulse laser. The HfSe2 SA device is fabricated by integrating HfSe2 nanosheets (NSs) with a microfiber. The material and optical characteristics of HfSe2 NSs show their high quality. The nonlinear optical absorption of HfSe2 SA is measured with a modulation depth of 5.8%. Stable soliton mode-locked laser based on HfSe2 SA is realized at the central wavelength of 1561.43 nm with pulse duration of 297 fs and the maximum pulse energy of 2.68 nJ. Our soliton fiber laser has a maximum output power of 48.5 mW with a high slope efficiency of 12.8%, which indicate that HfSe2 is a good candidate of SA for high efficient ultrashort pulses generation.
机译:我们展示了用于产生超快脉冲激光的HFSe2可饱和吸收器(SA)。 通过将HFSe2纳米片(NSS)与超细纤维集成来制造HFSe2ASo装置。 HFSe2 NSS的材料和光学特性显示了它们的高品质。 HFSe2A的非线性光学吸收测量,调节深度为5.8%。 基于HFSE2A的稳定孤子模式锁定激光在1561.43nm的中心波长,脉冲持续时间为297 fs和2.68 nj的最大脉冲能。 我们的孤子光纤激光器的最大输出功率为48.5兆瓦,斜率高12.8%,表明HFSe2是高效超短脉冲发电的良好候选者。

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