Kerr-lens mode-locked GHz-repetition-rate Yb:CYA laser with 11-W average power
Jie Tao, Wenlong Tian, Zheng Li, Geyang Wang, Yu Yang, Xiaodong Xu, Peng Ye, Zhiyi Wei, Jiangfeng Zhu
Abstract
We demonstrate on a high-power 1-GHz Kerr-lens mode-locked (KLM) ytterbium (Yb):CYA laser delivering 149-fs pulses with an average power of 11.1 W. The corresponding single-pulse energy and peak power are 10.3 nJ and 60.8 kW, respectively. The mode-locking operation can be consistently sustained with root mean square (RMS) values of power fluctuations of only 0.52% for 100 min. To the best of our knowledge, this is the highest average power ever reported from a GHz femtosecond mode-locked oscillator.
Topics & Concepts
OpticsMode-lockingLens (geology)LaserMaterials sciencePower (physics)Repetition (rhetorical device)PhysicsPhilosophyQuantum mechanicsLinguisticsAdvanced Fiber Laser TechnologiesSolid State Laser TechnologiesLaser-Matter Interactions and Applications