Generation ofWatt-level Kerr-lens mode-locked Yb:CYA laser at 1-GHz repetition rate

doi:10.1088/1674-1056/adcf8b

中国物理B ›› 2025, Vol. 34 ›› Issue (8): 84204-084204.doi: 10.1088/1674-1056/adcf8b

Generation ofWatt-level Kerr-lens mode-locked Yb:CYA laser at 1-GHz repetition rate

Guodong Zhao(赵国栋)^1,2, Junyi Ma(马骏逸)^1,2, Hainian Han(韩海年)^1,3, Zhaohua Wang(王兆华)¹, and Zhiyi Wei(魏志义)^1,2,3,4,†

1 Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;
2 University of Chinese Academy of Sciences, Beijing 100049, China;
3 Songshan Lake Materials Laboratory, Dongguan 523808, China;
4 Quantum Science Center of Guangdong-HongKong-Macao Greater Bay Area, Shenzhen 518045, China

收稿日期:2025-03-22 修回日期:2025-04-21 接受日期:2025-04-23 出版日期:2025-07-17 发布日期:2025-08-12
通讯作者: Zhiyi Wei E-mail:zywei@iphy.ac.cn
基金资助:
Project supported by the National Key Research and Development Program of China (Grant No. 2022YFB4600158).

Generation ofWatt-level Kerr-lens mode-locked Yb:CYA laser at 1-GHz repetition rate

Guodong Zhao(赵国栋)^1,2, Junyi Ma(马骏逸)^1,2, Hainian Han(韩海年)^1,3, Zhaohua Wang(王兆华)¹, and Zhiyi Wei(魏志义)^1,2,3,4,†

1 Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;
2 University of Chinese Academy of Sciences, Beijing 100049, China;
3 Songshan Lake Materials Laboratory, Dongguan 523808, China;
4 Quantum Science Center of Guangdong-HongKong-Macao Greater Bay Area, Shenzhen 518045, China

Received:2025-03-22 Revised:2025-04-21 Accepted:2025-04-23 Online:2025-07-17 Published:2025-08-12
Contact: Zhiyi Wei E-mail:zywei@iphy.ac.cn
Supported by:
Project supported by the National Key Research and Development Program of China (Grant No. 2022YFB4600158).

摘要/Abstract

摘要： We report on a Kerr-lens mode-locked (KLM) femtosecond Yb:CaYAlO$_{4}$ (Yb:CYA) laser operating at a repetition rate of 1.04 GHz, pumped by a single-mode fiber laser. The laser delivers an average output power of 1.37 W with a pulse duration of 109 fs. Potential improvements, including scaling the pump power, increasing the repetition rate, and further reducing the pulse duration, are discussed. This study contributes to the advancement of Watt-level GHz femtosecond laser generation and its applications.

关键词: all-solid-state ultrafast laser, high repetition rate, Kerr-lens mode-locking, Yb:CYA

Abstract: We report on a Kerr-lens mode-locked (KLM) femtosecond Yb:CaYAlO$_{4}$ (Yb:CYA) laser operating at a repetition rate of 1.04 GHz, pumped by a single-mode fiber laser. The laser delivers an average output power of 1.37 W with a pulse duration of 109 fs. Potential improvements, including scaling the pump power, increasing the repetition rate, and further reducing the pulse duration, are discussed. This study contributes to the advancement of Watt-level GHz femtosecond laser generation and its applications.

Key words: all-solid-state ultrafast laser, high repetition rate, Kerr-lens mode-locking, Yb:CYA

中图分类号: (Ultrafast processes; optical pulse generation and pulse compression)

42.65.Re

42.60.Da (Resonators, cavities, amplifiers, arrays, and rings) 42.55.Rz (Doped-insulator lasers and other solid state lasers) 42.55.Xi (Diode-pumped lasers)

Guodong Zhao(赵国栋), Junyi Ma(马骏逸), Hainian Han(韩海年), Zhaohua Wang(王兆华), and Zhiyi Wei(魏志义). Generation ofWatt-level Kerr-lens mode-locked Yb:CYA laser at 1-GHz repetition rate[J]. 中国物理B, 2025, 34(8): 84204-084204.

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Generation ofWatt-level Kerr-lens mode-locked Yb:CYA laser at 1-GHz repetition rate

Generation ofWatt-level Kerr-lens mode-locked Yb:CYA laser at 1-GHz repetition rate

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