A. Ludwig

Stacking PS-QPSK and 64PPM for Long-Range Free-Space Transmission

J. Leuthold, W. Freude, C. Koos, 2013 .

Real-time Nyquist pulse generation beyond 100 Gbit/s and its relation to OFDM.

R Schmogrow, D Hillerkuss, B Nebendahl, 2012, Optics express.

Ultra-short silicon-organic hybrid (SOH) modulator for bidirectional polarization-independent operation

C. Koos, W. Freude, P. C. Schindler, 2014, 2014 The European Conference on Optical Communication (ECOC).

26 Tbit s 21 line-rate super-channel transmission utilizing all-optical fast Fourier transform

T. Vallaitis, J. Leuthold, W. Freude, 2011 .

Stacked Modulation Formats Enabling Highest-Sensitivity Optical Free-Space Communications

A. Ludwig, 2017 .

26 Tbit s-1 line-rate super-channel transmission utilizing all-optical fast Fourier transform processing

Francesca Parmigiani, Periklis Petropoulos, P. Kleinow, 2011 .

Ultra-Dense, Single-Wavelength DFT-Spread OFDMA PON With Laserless 1.2 Gb/s ONU Ready for Silicon Photonics Integration

C. Koos, W. Freude, P. C. Schindler, 2015, Journal of Lightwave Technology.

Stacked modulation formats enabling highest-sensitivity optical free-space links.

Wolfgang Freude, Juerg Leuthold, Christian Koos, 2015, Optics express.