Photonics Research, 2018, 6 (2): 02000127, Published Online: Jul. 10, 2018   

Diode-pumped power scalable Kerr-lens mode-locked Yb:CYA laser Download: 659次

Author Affiliations
1 School of Physics and Optoelectronic Engineering, Xidian University, Xi’an 710071, China
2 Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
3 Jiangsu Key Laboratory of Advanced Laser Materials and Devices, School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou 221116, China
Abstract
Stable 68 fs pulses with the average power of 1.5 W is directly generated from a multimode diode-pumped Kerr-lens mode-locked Yb:CYA laser by separating the gain medium and Kerr medium. The repetition rate is about 50 MHz, resulting in a single pulse energy of 30 nJ and a peak power of 0.44 MW. To the best of our knowledge, this is the highest single pulse energy ever produced from a mode-locked Yb:CYA oscillator. Our experimental results show that Yb:CYA crystal is an excellent candidate for multiwatt, sub-100 fs pulse generation in diode-pumped all-solid-state lasers. It is believed that the output power can be scalable to multi-W while the pulse duration is maintained with this simple method.

Wenlong Tian, Yingnan Peng, Ziyue Zhang, Zijiao Yu, Jiangfeng Zhu, Xiaodong Xu, Zhiyi Wei. Diode-pumped power scalable Kerr-lens mode-locked Yb:CYA laser[J]. Photonics Research, 2018, 6(2): 02000127.

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