E. Dietrich

40 Gbit/s transmission over 434 km standard-fiber using polarisation independent mid-span spectral inversion

R. Ludwig, H. J. Ehrke, U. Feiste, 1998, 24th European Conference on Optical Communication. ECOC '98 (IEEE Cat. No.98TH8398).

Integrated optics eight-port 90 degrees hybrid on LiNbO/sub 3/

R. Langenhorst, D. Hoffman, H. Heidrich, 1989 .

Mode-locked semiconductor lasers and their applications for optical signal processing

R. Ludwig, H. J. Ehrke, U. Feiste, 1999 .

Signal processing in an optical polarization diversity receiver for 560-Mbit/s ASK heterodyne detection

R. S. Vodhanel, B. Enning, P. Meissner, 1989 .

Integrated optics eight-port 90o hybrid on LiNbO3

R. Langenhorst, G. Wenke, E. Dietrich, 1989 .

Experimental comparison of 40 Gbit/s RZ and NRZ transmission over standard singlemode fibre

D. Breuer, H. G. Weber, Reinhold Ludwig, 1999 .

Complete optical sampling system with broad gap-free spectral range for 160 Gbit/s and 320 Gbit/s and its application in a transmission system

Colja Schubert, Shigeki Watanabe, Fumio Futami, 2002, Optical Fiber Communication Conference and Exhibit.

160 Gbit/s clock recovery with electro-optical PLL using bidirectionally operated electroabsorption modulator as phase comparator

Colja Schubert, R. Ludwig, J. Berger, 2003 .

80 Gbit/s transmission over 106 km standard-fiber using optical phase conjugation in a Sagnac-interferometer

R. Ludwig, U. Feiste, E. Patzak, 1999, OFC/IOOC . Technical Digest. Optical Fiber Communication Conference, 1999, and the International Conference on Integrated Optics and Optical Fiber Communication.

40 GHz optical clock extraction from 160 Gbit/s data signals using PLL-based clock recovery

Colja Schubert, H. G. Weber, R. Ludwig, 2002, Optical Fiber Communication Conference and Exhibit.

Semiconductor laser optical amplifiers for multichannel coherent optical transmission

B. Enning, R. Ludwig, G. Grosskopf, 1989 .

40 Gbit/s transmission over 434 km standard fibre using polarisation independent mid-span spectral inversion

R. Ludwig, H. J. Ehrke, U. Feiste, 1998 .

160 Gbit/s clock recovery with electro-optical PLL using a bidirectionally operated electroabsorption modulator as phase comparator

C. Schubert, R. Ludwig, J. Berger, 2003, OFC 2003 Optical Fiber Communications Conference, 2003..

Optical Q-factor monitoring at 160 Gb/s using an optical sampling system in an 80 km transmission experiment

Colja Schubert, Shigeki Watanabe, Fumio Futami, 2002, CLEO 2002.