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Optically powered remote optical field sensor system using an electroabsorption-modulator

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7 Author(s)
Heinzelmann, R. ; Gerhard-Mercator-Univ., Duisburg, Germany ; Stohr, A. ; Groz, M. ; Kalinowski, D.
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A novel optical sensor system is presented, where the remote transceiver unit is based upon a high-speed electroabsorption (EA) waveguide modulator. The proposed sensor concept allows bi-directional operation, by using the EA-modulator not only as a modulator element to receive signals from the antenna but also as a detector element to transmit signals to the antenna. For optimum dynamic range and highest sensitivity the EA-modulator is biased. The voltage necessary for this is provided from an integrated fiber-coupled photovoltaic cell (PVC) array in order not to reduce the overall EMC of the sensor.

Published in:

Microwave Symposium Digest, 1998 IEEE MTT-S International  (Volume:3 )

Date of Conference:

7-12 June 1998