Performance of InP-Based 90deg-Hybrids QPSK Receivers within C-Band

Conference: IPRM 2011 - 23th International Conference on Indium Phosphide and Related Materials
05/22/2011 - 05/26/2011 at Berlin, Germany

Proceedings: IPRM 2011

Pages: 3Language: englishTyp: PDF

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Zhang, R.-Y.; Janiak, K.; Bach, H.-G.; Kunkel, R.; Seeger, A.; Schubert, S.; Schell, M. (Fraunhofer Institute for Telecommunications HHI, Berlin, Germany)
Matiss, A.; Umbach, A. (u2t Photonics AG, Reuchlinstrasse 10/11, 10553 Berlin, Germany)

A monolithically integrated InP 90deg hybrid integrated with waveguide photodiodes is presented. Performance parameters like CMRR between 1530 nm and 1565 nm, and the centre wavelength are investigated depending on MMI design and manufacturing accuracies.