Quarter-cycle engineering of terahertz field waveforms
Abstract
Coherent synthesis of cycle-engineered terahertz (THz) field waveforms is demonstrated using two collinear femtosecond laser pulses with a tunable delay, undergoing optical rectification in a nonlinear crystal. The output THz waveforms are tailored with sub-quarter-cycle precision by varying the delay time between the laser pulses. A straightforward scaling of this concept to THz field synthesis with multiple driver pulses suggests ways toward the ultrahigh precision of THz waveform engineering and coherent enhancement to high peak powers in the THz range.
- Publication:
-
Laser Physics Letters
- Pub Date:
- August 2014
- DOI:
- 10.1088/1612-2011/11/8/085404
- Bibcode:
- 2014LaPhL..11h5404S