Generation of radially polarized terahertz pulses via velocity-mismatched optical rectification.
We demonstrate the generation of radially polarized terahertz pulses via optical rectification in a Cherenkov geometry exploiting velocity mismatch, contrary to the traditional approach for generating linearly polarized terahertz beams. A compact system is implemented using 001-cut ZnTe pumped by an ultrafast Yb-doped fiber amplifier.
Chang
Guoqing
G
FOCUS Center and Center for Ultrafast Optical Science, University of Michigan, Ann Arbor, MI 48109-2099, USA. gouqingc@engin.umich.edu
Divin
Charles J
CJ
Liu
Chi-Hung
CH
Williamson
Steven L
SL
Galvanauskas
Almantas
A
Norris
Theodore B
TB