Ultrabroadband operation of a femtosecond optical parametric generator based on BiB3O6 in the near-IR.
Ultrabroadband optical parametric generation in the near-IR (approximately 135 THz, 1.15-2.4 microm) is demonstrated using bismuth triborate, BiB(3)O(6) (BIBO), in a collinear geometry. The white light continuum energy obtained with a single stage reached 15 microJ (internal conversion efficiency of approximately 7%). Integral pulse durations as short as 63 fs were derived from the recorded FROG traces, comparable to the 45 fs pulse duration of the 1 kHz Ti:sapphire regenerative amplifier used for pumping at 800 nm.
Department of Physics, Sofia University, 5 James Bourchier Blvd., BG-1164 Sofia, Bulgaria.
Alexander
A
Gaydardzhiev
Ivaylo
I
Nikolov
Ivan
I
Buchvarov
Valentin
V
Petrov
Frank
F
Noack