Title :
Pulse broadening in multimode graded-index fibres
Author_Institution :
Bell Laboratories Inc., Crawford Hill Laboratory, Holmdel, USA
Abstract :
A closed-form expression is obtained for pulse broadening in graded-index fibres with k2(r)=1¿r2+¿2r4+¿+¿nr2n. Pulse broadening for k2(r)=1¿r2+0.615r4+70r6 and r<0.1 is 12 times smaller than for square-law fibres if material dispersion is neglected.
Keywords :
fibre optics; guided light propagation; optical waveguides; graded index fibres; material dispersion; multimode fibres; pulse broadening;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19750006