Title :
Highly sensitive frequency-resolved optical gating in 1.55 μm region using organic nonlinear optical crystal for second-harmonic generation
Author :
Taira, K. ; Kikuchi, K.
Author_Institution :
Res. Center for Adv. Sci. & Technol., Tokyo Univ., Japan
fDate :
9/28/2000 12:00:00 AM
Abstract :
With the aim of realising optical pulse characterisation in the optical communication band at 1.5 μm, the authors demonstrate a highly sensitive frequency-resolved optical gating (FROG) using an organic crystal: AANP-amnD (2-adamantylamino-5-nitropyridine) for second-harmonic generation (SHG). The proposed SHG FROG system is an alignment-free fibre-coupled system with a small insertion loss. The high SHG coefficient of the crystal and low insertion loss of the system allow the FROG error to be reduced below 1% at a peak power as low as 4 W
Keywords :
optical fibre communication; optical fibre couplers; optical fibre losses; optical harmonic generation; optical materials; optical phase matching; organic compounds; 1.55 mum; 2-adamantylamino-5-nitropyridine; 4 W; AANP-amnD; FROG error; SHG FROG system; SHG coefficient; alignment-free fibre-coupled system; frequency-resolved optical gating; highly sensitive frequency-resolved optical gating; insertion loss; optical communication band; optical pulse characterisation; organic crystal; organic nonlinear optical crystal; peak power; second-harmonic generation;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20001221
