Characterisation of an RZ-DQPSK transmitter using coherent detection

Conference: ECOC 2007 - 33rd European Conference and Exhibition of Optical Communication
09/16/2007 - 09/20/2007 at Berlin, Germany

Proceedings: ECOC 2007

Pages: 2Language: englishTyp: PDF

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Fludger, C.R.S.; Duthel, T.; Schulien, C. (CoreOptics GmbH, Nordostpark 12-14 D-90411, Nuernberg, Germany)
Voss, A.; Schmauss, B. (Institute of Microwave Technology, University of Erlangen, Germany)

We characterise the optical field from an RZ-DQPSK transmitter using coherently detected constellation diagrams. We show the dependence on bias and phase offsets, as well as timing mismatch.