High-power self-mode-locked Yb:Y(2)O(3) ceramic laser |
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Authors: | Xie G Q Tang D Y Zhao L M Qian L J Ueda K |
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Institution: | School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore. gqxie@ntu.edu.sg |
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Abstract: | We have experimentally demonstrated a high-power self-mode-locked Yb:Y(2)O(3) ceramic laser. Without any additional active or passive element in the cavity, self-started cw mode-locking was achieved. The maximum output power was as high as 2.7 W with a pulse duration of 1.1 ps. Numerical studies show that the diffraction loss induced by thermal lens aberration, in combination with the Kerr self-focusing effect in the gain medium, results in the mode locking of the laser. To our knowledge, this is the first self-mode-locked ceramic laser. |
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