Phys. Rev. A 82, 013827 (2010) [5 pages]Generation of isolated sub-100-as pulses with 30-fs lasersReceived 26 March 2010; published 22 July 2010 We propose a scheme to generate isolated sub-100-as pulses with 30-fs lasers. Our model is based on high-order harmonic generation from a helium atom irradiated by a two-color femtosecond laser field, in which the driving and the control fields are linearly polarized and the polarization angle between them is π/4. By mixing the polarization gating technique and optimization of two-color lasers, we destroy the symmetry of the driving field from two directions and realize quantum path control with multicycle lasers. © 2010 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.82.013827
DOI:
10.1103/PhysRevA.82.013827
PACS:
42.65.Ky, 42.65.Re, 33.80.Wz
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