Title :
Compact bulk optical 90 degrees hybrid for balanced phase diversity receivers
Author :
Langenhorst, R. ; Wenke, G.
Author_Institution :
Heinrich-Hertz-Inst. fur Nachrichtentech. Berlin, GmbH, West Germany
Abstract :
The authors describe a compact and stable bulk optical 90 degrees hybrid offering advantages as compared to fibre-optic realisations. The excess loss of the pigtailed hybrid is only 2.0 dB. The proper hybrid function has been proved in a self-heterodyne measurement set-up.
Keywords :
diversity reception; optical communication equipment; optical losses; receivers; 2 dB; balanced phase diversity receivers; compact bulk configuration; excess loss; optical 90 degrees hybrid; pigtailed hybrid;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19891019
