E. Schmidt

10 x 111 Gbit/s 50 GHz spaced, POLMUX-RZ-DQPSK transmission over 2375 km employing coherent equalisation

T. Duthel, C. Schulien, H. de Waardt, 2007, OFC 2007.

Multi-rate (111-Gb/s, 2x43-Gb/s, and 8x10.7-Gb/s) transmission at 50-GHz channel spacing over 1040-km field-deployed fiber

M. Kuschnerov, B. Spinnler, B. Lankl, 2008, 2008 34th European Conference on Optical Communication.

Coherent Equalization and POLMUX-RZ-DQPSK for Robust 100-GE Transmission

T. Duthel, C. Fludger, J. Geyer, 2008, Journal of Lightwave Technology.

Joint-polarization carrier phase estimation for XPM-limited coherent polarization-multiplexed QPSK transmission with OOK-neighbors

F. Hauske, M. Kuschnerov, B. Spinnler, 2008, 2008 34th European Conference on Optical Communication.

High spectral efficiency 1.6-b/s/Hz transmission (8 x 40 Gb/s with a 25-GHz grid) over 200-km SSMF using RZ-DQPSK and polarization multiplexing

B. Lankl, C. Wree, W. Rosenkranz, 2003, IEEE Photonics Technology Letters.

Nonlinear tolerance of differential phase shift keying modulated signals reduced by XPM

B. Spinnler, S. Calabro, H. de Waardt, 2004, Optical Fiber Communication Conference, 2004. OFC 2004.

Optical Performance Monitoring from FIR Filter Coefficients in Coherent Receivers

F. Hauske, M. Kuschnerov, B. Spinnler, 2008, OFC/NFOEC 2008 - 2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference.

DQPSK modulation for robust optical transmission

E Gottwald, H de Waardt, D van den Borne, 2008, OFC/NFOEC 2008 - 2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference.

Correlation-Based Carrier Phase Estimation for WDM DP-QPSK Transmission

B. Lankl, B. Spinnler, M. Kuschnerov, 2008, IEEE Photonics Technology Letters.

Carrier phase estimation for coherent equalization of 43-Gb/s POLMUX-NRZ-DQPSK transmission with 10.7-Gb/s NRZ neighbours

T. Duthel, C. Schulien, H. de Waardt, 2007 .

Impairment tolerance of 111 Gbit/s POLMUX-RZ-DQPSK using a reduced complexity coherent receiver with a T-spaced equaliser

T. Duthel, C. Schulien, H. de Waardt, 2007 .