標題: High-power terahertz optical pulse generation with a dual-wavelength harmonically mode-locked Yb:YAG laser
作者: Zhuang, W. Z.
Chang, M. T.
Su, K. W.
Huang, K. F.
Chen, Y. F.
電子物理學系
Department of Electrophysics
公開日期: 1-Jul-2013
摘要: We report on high-power terahertz optical pulse generation with a dual-wavelength harmonically mode-locked Yb:YAG laser. A semiconductor saturable absorber mirror is developed to achieve synchronously mode-locked operation at two spectral bands centered at 1031.67 and 1049.42 nm with a pulse duration of 1.54 ps and a pulse repetition rate of 80.3 GHz. With a diamond heat spreader to improve the heat removal efficiency, the average output power can be up to 1.1 W at an absorbed pump power of 5.18 W. The autocorrelation traces reveal that the mode-locked pulse is modulated with a beat frequency of 4.92 THz and displays a modulation depth to be greater than 80%.
URI: http://dx.doi.org/10.1088/1054-660X/23/7/075803
http://hdl.handle.net/11536/22266
ISSN: 1054-660X
DOI: 10.1088/1054-660X/23/7/075803
期刊: LASER PHYSICS
Volume: 23
Issue: 7
結束頁: 
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