Author:
Olivier Michel,Lord Marie-Pier,Bernier Martin,Vallée Réal
Abstract
An ultrafast praseodymium-doped fluoride fiber laser at 635 nm is presented. The laser is pumped by a 444.5 nm diode and is modelocked via nonlinear polarization evolution. It emits 0.4-nJ and 1.6-ps chirped pulses compressed to 174 fs by a pair of gratings.