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Approach to extreme ultraviolet supercontinuum in a two-color laser field
Authors:Songsong Tang
Institution:Institute of Optics and Photonics, Department of Physics, The State Key Laboratory on Fiber Optic Local Area Communication Networks and Advanced Optical Communication Systems, Shanghai Jiao Tong University, 800 Dongchuan Rd., Shanghai 200240, China
Abstract:In recent years, it has been shown that an intense few-cycle driving pulse combined with a weak control pulse could efficiently extend the harmonic spectrum in the generation of high-order harmonics (HHG). In this paper, we adjust the intensities of the driving and control pulse to generate broader extreme ultraviolet (XUV) supercontinuum. We find that in some special situation when the intensity of the control pulse equals to that of the driving pulse, a clean supercontinuum as long as 80 eV can be realized and a 53-as pulse can be straightforwardly obtained.
Keywords:32  80  Rm  42  65  Ky  42  65  Re
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