Cascaded-chi(2)-interaction-based frequency-resolved optical gating in a periodically poled LiNbO3 waveguide.
We demonstrate a novel frequency-resolved optical gating (FROG) configuration based on cascaded second-order nonlinear interactions. Its implementation in a 2.6 cm long quasi-phase-matched LiNbO3 waveguide allowed high-quality retrieval of 2 ps to 80 fJ pulses at 1.56 microm.
Prawiharjo
J
J
Optoelectronics Research Centre, University of Southampton, UK. jep@orc.soton.ac.uk
Parmigiani
F
F
Gallo
K
K
Petropoulos
P
P
Broderick
N G R
NG
Richardson
D J
DJ