Linking high harmonics from solids and gases (Prof. P. Corkum)
- Date: Mar 8, 2016
- Time: 02:30 PM - 04:00 PM (Local Time Germany)
- Speaker: Prof. Dr. Paul Corkum, Joint Attosecond Science Lab, University of Ottawa and National Research Council of Canada, Ottawa, Canada
- Room: Herbert Walther Lecture Hall
- Host: MPQ
Attosecond pulses are generated by electrons that are extracted from a quantum system by an intense light pulse and travel through the continuum.
Portions of the electron wave packet are forced to re-collide with its
parent ion by the oscillating force of the time dependent electric
field. Upon re-collision, the electron and ion can re-combine, emitting
high frequency radiation. This coherent, highly nonlinear process occurs
in atoms, molecules and wide bandgap semiconductors and offers unique
measurement opportunities – of the attosecond pulses themselves; of
molecular orbitals; and even the band structure of large bandgap
semiconductors.