Evidence of fundamental mode cutoff in depressed inner cladding single-mode fibres
Author :
Sansonetti, Pierre ; Alard, F. ; Vassallo, C. ; Kammerer, P. ; Francois, P.L. ; Monerie, M. ; Gabriagues, J.M. ; Dupont, Pierre
Author_Institution :
CNET, LAB/MER/FOG, Lannion, France
Volume :
18
Issue :
23
fYear :
1982
Firstpage :
989
Lastpage :
990
Abstract :
We report experimental evidence of fundamental mode cutoff in depressed inner cladding single-mode fibres. It is characterised by a sharp decrease in the transmission curve and by a local increase of the fundamental mode spot size. Both phenomena are theoretically explained.
