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Integrated optics 90 degrees hybrid on LiNbO3 for phase diversity receivers

 
: Hoffmann, D.; Heidrich, H.; Wenke, G.; Langenhorst, R.

Electronics Letters 24 (1988), Nr.22, S.1374-5
ISSN: 0013-5194
Englisch
Zeitschriftenaufsatz
Fraunhofer HHI ()
directional couplers; integrated optics; optical communication equipment; phase diversity receivers; tunable directional couplers; phase shifters; output ports; phase stability; temperature dependence; linbo3

Abstract
Present an integrated optic eight-port 90 degrees hybrid on LiNbO3 comprising four tunable directional couplers and two phase shifters for adjusting the phases between the output ports. Measurements on the phase stability show phase fluctuations of <+or-5 degrees and a temperature dependence of approximately=15 degrees / degrees C.

: http://publica.fraunhofer.de/dokumente/N-13878.html