非线性偏振旋转锁模Yb3+光纤激光器的理论分析

1.河北师范大学物理学院,石家庄,050016南开大学物理科学学院,天津,300071

2.南开大学物理科学学院,天津,300071

3.南开大学物理科学学院,天津,300071

4.南开大学物理科学学院,天津,300071

基金项目: 河北省教育厅科研项目(2001241) 国家自然科学基金(69977012) 国家自然科学基金(60137010)

Nonlinear polarization rotation mode locked Yb3+-doped fiber laser

本文对非线性偏振旋转锁模Yb3+光纤激光器进行了理论分析,通过数值模拟方法证明,采用非线性偏振旋转的锁模机制,利用掺Yb3+光纤工作在正色散区的特性,在掺Yb3+光纤组成的环形腔激光器中,可形成能量较大的光脉冲.对该脉冲在腔外进行压缩,可得到高能量的超短光源.

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