Generation of an intense single isolated attosecond pulse by use of two-colour waveform control
Author(s)
Zeng, Bin
Yu, Yongli
Chu, Wei
Yao, Jinping
Fu, Yuxi
Xiong, Hui
Xu, Han
Cheng, Ya
Xu, Zhizhan
Griffith University Author(s)
Year published
2009
Metadata
Show full item recordAbstract
We theoretically demonstrate the generation of an intense single attosecond pulse by superposing a weak sub-harmonic pulse upon a sine-waveform few-cycle driving pulse. By use of a sine-waveform few-cycle pulse instead of its traditionally used cosine waveform counterpart, we show that efficient tunnel ionization for generating electrons which can revisit their parent ion with high kinetic energy can occur only once in the few-cycle laser field, leading to an increase of efficiency by nearly two orders of magnitude in single attosecond pulse generation as compared with the use of a cosine-waveform field.We theoretically demonstrate the generation of an intense single attosecond pulse by superposing a weak sub-harmonic pulse upon a sine-waveform few-cycle driving pulse. By use of a sine-waveform few-cycle pulse instead of its traditionally used cosine waveform counterpart, we show that efficient tunnel ionization for generating electrons which can revisit their parent ion with high kinetic energy can occur only once in the few-cycle laser field, leading to an increase of efficiency by nearly two orders of magnitude in single attosecond pulse generation as compared with the use of a cosine-waveform field.
View less >
View less >
Journal Title
Journal of Physics B
Volume
42
Issue
14
Subject
Nonlinear Optics and Spectroscopy
Atomic and Molecular Physics
Atomic, Molecular, Nuclear, Particle and Plasma Physics
Optical Physics
Theoretical and Computational Chemistry