標題: Attosecond pulse synthesis and arbitrary waveform generation with cascaded harmonics of an injection-seeded high-power Q-switched Nd:YAG laser
作者: Chen, W. -J.
Wang, H. -Z.
Lin, R. -Y.
Lee, C. -K.
Pan, C. -L.
光電工程學系
Department of Photonics
關鍵字: sub-cycle;attosecond;harmonic;carrier envelope phase;waveform
公開日期: 1-三月-2012
摘要: We propose a new scheme of attosecond pulse generation by starting from a narrow-band transform-limited high-power solid-state laser and phase lock the fundamental and its first four cascaded harmonics generated by the second-order nonlinear optical processes. The relative phase among the optical fields of the harmonics can be maintained a constant at least for thousands of nanosecond pulses. The worst-case relative phase fluctuation is 0.04p rad. It is shown that sub-single-cycle (similar to 0.37 cycle) sub-femtosecond (360 attosecond) pulses with carrier-envelope phase (CEP) control can be generated in this manner. The peak intensity of each pulse exceeds 1014 W/cm2 when it is focused to a spot size of 20 mu m. We also demonstrate synthesis of square and saw-tooth waveforms. ((c) 2012 by Astro Ltd., Published exclusively by WILEY-VCH Verlag GmbH & Co. KGaA) ((c) 2011 by Astro Ltd., Published exclusively by WILEY-VCH Verlag GmbH & Co. KGaA)
URI: http://dx.doi.org/10.1002/lapl.201110117
http://hdl.handle.net/11536/15808
ISSN: 1612-2011
DOI: 10.1002/lapl.201110117
期刊: LASER PHYSICS LETTERS
Volume: 9
Issue: 3
起始頁: 212
結束頁: 218
顯示於類別:期刊論文


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