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Compact bulk optical 90 degrees hybrid for balanced phase diversity receivers

 
: Langenhorst, R.; Wenke, G.

Electronics Letters 25 (1989), No.22, pp.1518-19
ISSN: 0013-5194
English
Journal Article
Fraunhofer HHI ()
diversity reception; optical communication equipment; optical losses; receivers; compact bulk configuration; optical 90 degrees hybrid; balanced phase diversity receivers; excess loss; pigtailed hybrid; 2 db

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.

: http://publica.fraunhofer.de/documents/N-13821.html