By optimizing two-color laser fields using genetic algorithm where the duration of the generated high-harmonic pulse is directly taken as a target function, we show that an isolated 40 attosecond pulse is created.
© 2010 The Optical Society
(020.0020) Atomic and molecular physics : Atomic and molecular physics
(190.0190) Nonlinear optics : Nonlinear optics
(190.4160) Nonlinear optics : Multiharmonic generation
(020.2649) Atomic and molecular physics : Strong field laser physics
K. L. Ishikawa, S. Fang, T. Tanigawa, N. Karasawa, and M. Yamashita, "Isolated Sub-50-as Pulse Generation by Direct Optimization of Two-Color Laser Fields Using the Genetic Algorithm," in Conference on Lasers and Electro-Optics 2010, OSA Technical Digest (CD) (Optical Society of America, 2010), paper JThE118.
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