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Two-channel system demonstration of differential frequency-deviation multiplexing

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5 Author(s)
T. E. Darcie ; AT&T Bell Laboratories, Crawford Hill Laboratory, Holmdel, USA ; C. A. Burrus ; A. H. Gnauck ; B. L. Kasper
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A two-channel lightwave system using differential frequencydeviation multiplexing (DFDM) is presented. Both 90Mbit/s channels are differentially detected using a fibre interferometer. The performance is independent of the absolute optical frequencies and received state of polarisation. Interchannel interference results in a 1 dB penalty for channel separations of 700 MHz.

Published in:

Electronics Letters  (Volume:23 ,  Issue: 24 )