论文标题
为新水平的综合飞秒脉冲生成的新水平的Thulium掺杂纤维的饱和吸收
Unravelling Saturable Absorption of Thulium-doped Fibres for New Level of Integrated Femtosecond Pulse Generation
论文作者
论文摘要
超短脉冲激光器的操作是通过参与显式调节器来定义的。从传统上讲，他们努力地将其纳入全纤维设计或涉及复杂腔的设计。我们利用掺杂的纤维作为增益和简单，高度积分的饱和吸收剂，调制深度为23％，高热损伤阈值。因此，已经证明了以45MHz的重复速率携带1NJ能量的350F的脉冲已被证明。激光平均输出功率显示长期稳定性约为1％。全纤维可饱和吸收器的使用概念为下降，高度集成的激光体系结构提供了技术理由。
The ultrashort pulse laser operation is crucially defined by engaging explicit modulators. Conventionally, they are laborious to incorporate into an all-fibre design or involve the design of sophisticated cavities. We exploit Thulium-doped fibre as the gain and simple, highly integrated saturable absorber with a modulation depth of 23% and a high thermal damage threshold. Hence, pulses as short as 350fs carrying 1nJ energy at a repetition rate of 45MHz have been demonstrated. The laser average output power showed long-term stability with ~1%. The utilised concept of all-fibre saturable absorber provides technological grounds for a down-scaled, highly integrated laser architecture.
