Title :
Modal noise and optical feedback in high-speed optical systems at 0.85 ¿m
Author :
Baack, C. ; Elze, G. ; Enning, B. ; Walf, G.
Author_Institution :
Heinrich Hertz Institut fÿr Nachrichtentechnik Berlin GmbH, Berlin, West Germany
Abstract :
The most critical interferences in optical broadband communication systems at 0.85 ¿m are the modal noise in a graded-index fibre and the feedback problems in d.h. semiconductor lasers. Experiments with these two phenomena in a high-speed digital transmission system are described.
Keywords :
digital communication systems; feedback; noise; optical communication; optical fibres; semiconductor junction lasers; DH semiconductor lasers; critical interferences; digital transmission system; graded index fibre; high speed optical system; modal noise; optical broadband communication system; optical feedback;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19800410