Kerr-lens mode-locking of an Yb:CLNGG laser

Author:

Lin Zhang-Lang1,Loiko Pavel2,Zeng Huang-Jun1,Xue Wen-Ze1,Zhang Ge1,Normani Simone2,Camy Patrice2,Petrov Valentin3ORCID,Mateos Xavier4ORCID,Lin Haifeng5,Yu Haohai6ORCID,Zhang Huaijin6,Liu Junhai7,Wang Li3ORCID,Chen Weidong13ORCID

Affiliation:

1. Chinese Academy of Sciences

2. Université de Caen

3. Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy

4. Universitat Rovira i Virgili

5. Shenzhen University

6. Shandong University

7. Qingdao University

Abstract

We report on a Kerr-lens mode-locked laser based on an Yb3+-doped disordered calcium lithium niobium gallium garnet (Yb:CLNGG) crystal. Pumping by a spatially single-mode Yb fiber laser at 976 nm, the Yb:CLNGG laser delivers soliton pulses as short as 31 fs at 1056.8 nm with an average output power of 66 mW and a pulse repetition rate of ∼77.6 MHz via soft-aperture Kerr-lens mode-locking. The maximum output power of the Kerr-lens mode-locked laser amounted to 203 mW for slightly longer pulses of 37 fs at an absorbed pump power of 0.74 W, which corresponds to a peak power of 62.2 kW and an optical efficiency of 20.3%.

Funder

National Key Research and Development Program of China

National Natural Science Foundation of China

Sino-German Scientist Cooperation and Exchanges Mobility Program

Agencia Estatal de Investigación

Publisher

Optica Publishing Group

Subject

Atomic and Molecular Physics, and Optics

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