Title :
Temperature dependence of second harmonic generation in germania-doped silica optical fibres
Author :
Hibino, Y. ; Mizrahi, V. ; Stegeman, G.I.
Author_Institution :
NTT Opto-electron. Labs., Ibaraki, Japan
Abstract :
Seeded second harmonic generation (SHG) is compared between room temperature (RT) and liquid N2 temperature (LNT) in GeO2-doped silica fibres. At RT the SH power grows much more rapidly. The corresponding conversion efficiency after seeding for 2 h is over 20 times larger than at LNT.
Keywords :
germanium compounds; optical fibres; optical harmonic generation; silicon compounds; 77 to 300 K; GeO 2 doped silica optical fibres; SHG; SiO 2:GeO 2 optical fibres; conversion efficiency; liquid N 2 temperature; room temperature; seeded second harmonic generation; temperature dependence;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19901013