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Integrated optics 90° hybrid on LiNbO3 for phase diversity receivers

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4 Author(s)
Hoffmann, D. ; Heinrich Hertz Inst. fur Nachrichtentech. Berlin GmbH ; Heidrich, H. ; Wenke, G. ; Langenhorst, R.

Present an integrated optic eight-port 90° 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 <±5° and a temperature dependence of ≈15°/°C

Published in:

Electronics Letters  (Volume:24 ,  Issue: 22 )