Office: 222-C Nicholson
Telephone: 0889-Office
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RESEARCH INTERESTS
We study the interaction of very intense, short laser pulses with atomic systems. In particular, we are interested in the sub-femtosecond pulses of extreme ultraviolet radiation, so-called attosecond pulses, that can be generated in this interaction. The detection of attosecond pulses in 2001 presented a major experimental breakthrough in modern atomic physics. In analogy with the use of femtosecond laser pulses in studying the dynamics of atoms and molecules during a chemical reaction, attosecond pulses can probe the electron dynamics within an atom, for example as it interacts with an intense field. To describe the generation process, we have to solve both the time-dependent Schrödinger equation and Maxwell's wave equation in extreme conditions.
CURRENT AND SELECTED PUBLICATIONS
- Himadri S. Chakraborty, Mette B. Gaarde and Arnaud Cousiron, "Single attosecond pulses from high harmonics driven by self-compressed filaments," Optics Letters 31 (24), 3663-3664 (2006).
- Mette B. Gaarde and Kenneth J. Schafer, "Generating single attosecond pulses via spatial filtering," Optics Letters 31 (21), 3188-3190 (2006).
- Mette G. Gaarde, Mitsuko Murakami and Reinhard Kienberger, "Spatial separation of large dynamical blueshift and harmonic generation," Phys. Rev. A 74, 053401 (2006).
- J. Mauritsson, P. Johnsson, E. Gustafsson, A. L'Juillier, K.J. Schafer, and M.B. Gaarde, "Attosecond Pulse Trains Generated using Two Color Laser Fields," Phys. Rev. Lett. 97, 013001 (2006).
- M. Murakami, J. Mauritsson, and M.B. Gaarde, "Frequency-chirp rates of harmonics driven by a few-cycle pulse," Phys. Rev. A 72, 023413 (2005).
- Mette B. Gaarde, Kenneth J. Schafer, Arne Heinrich, Jens Beigert and Ursula Keller, "Large enhancement of macroscopic yield in attosecond pulse trans-assisted harmonic generation," Phys. Rev. A 72, 013411 (2005).
- Johan Mauritsson, Mette B. Gaarde and Kenneth J. Schafer, "Accessing properties of electron wave packets generated by attosecond pulse trains through time-dependent calculations," Phys. Rev. A 72, 013401 (2005).
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