32-krad/s Polarization and 3-dB PDL Tracking in a Realtime Digital Coherent Polarization-Multiplexed QPSK Receiver
T. Pfau, M. El-Darawy, C. Woerdehoff, R. Peveling, S. Hoffmann, B. Koch, O. Adamczyk, M. Porrmann, R. Noé, in: 2008 DIGEST OF THE LEOS SUMMER TOPICAL MEETINGS, 2008, pp. 105–106.

5-bit 12.5 Gsamples/s Analog-to-Digital Converter for a Digital Receiver in a Synchronous Optical QPSK Transmission System
O. Adamczyk, R. Noé, in: 2008 DIGEST OF THE LEOS SUMMER TOPICAL MEETINGS, 2008, pp. 119–120.

Realtime Digital Polarization and Carrier Recovery in a Polarization-Multiplexed Optical QPSK Transmission
R. Noé, S. Hoffmann, T. Pfau, O. Adamczyk, V. Herath, R. Peveling, M. Porrmann, in: 2008 DIGEST OF THE LEOS SUMMER TOPICAL MEETINGS, 2008, pp. 99–100.

12 krad/s Endless Polarization Stabilization with Lithium Niobate Component
B. Koch, A. Hidayat, H. Zhang, V. Mirvoda, M. Lichtinger, D. Sandel, R. Noé, in: 2008 DIGEST OF THE LEOS SUMMER TOPICAL MEETINGS, 2008, pp. 229–230.

12 krad/s Endless Polarization Stabilization with Lithium Niobate Component
B. Koch, A. Hidayat, H. Zhang, V. Mirvoda, M. Lichtinger, D. Sandel, R. Noé, in: 2008 DIGEST OF THE LEOS SUMMER TOPICAL MEETINGS, 2008, pp. 229–230.