Quantum Path Selection and Isolated-Attosecond-Pulse Generation of H2+ with an Intense Laser Pulse and a Static Field
作者： Xiang-Yang Miao , Sha-Sha Liu
DOI: 10.1088/0256-307X/32/1/013301
关键词: Physics 、 Wave packet 、 Atomic physics 、 Field (physics) 、 Optics 、 High harmonic generation 、 Harmonic spectrum 、 Laser 、 Electron 、 Pulse (physics) 、 Quantum
摘要: We theoretically investigate the high-order-harmonic generation from H2+ molecular ion exposed to combination of an intense trapezoidal laser and a static field. The results show that harmonic spectrum is obviously extended short quantum path selected contribute spectrum, because corresponding long seriously suppressed. Then combined Coulomb field potentials time-dependent electron wave packet distributions are applied illustrate physical mechanism high-order generation. Finally, by adjusting intensity superposing properly range HHG 90-as isolated attosecond pulse straightforwardly obtained.
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