Title :
Simple method to improve dynamic range of optical amplifiers in coherent optical communication systems with heterodyne receivers
Author :
Jorgensen, B.F. ; Mikkelsen, B. ; Mahon, C.J. ; Saito, Sakuyoshi
Author_Institution :
Electromagn. Inst., Tech. Univ. of Denmark, Lyngby, Denmark
fDate :
3/28/1991 12:00:00 AM
Abstract :
The dynamic range of an optical amplifier is increased by reducing the local oscillator spontaneous emission beat noise. A 2.5 dB improvement has been demonstrated experimentally with a simple, all-fibre optical image rejection mixer.
Keywords :
light polarisation; optical communication equipment; optical fibres; all-fibre optical image rejection mixer; coherent optical communication systems; dynamic range; heterodyne receivers; local oscillator spontaneous emission beat noise; optical amplifiers;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19910384
