Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2018Improving achievable information rates of 64-GBd PDM-64QAM by nonlinear transmitter predistortion
Elschner, R.; Emmerich, R.; Schmidt-Langhorst, C.; Frey, F.; Berenguer, P.W.; Fischer, J.K.; Grießer, H.; Rafique, D.; Elbers, J.-P.; Schubert, C.
Konferenzbeitrag
2017112 Gb/s PDM-PAM4 Generation and 80 km Transmission Using a Novel Monolithically Integrated Dual-Polarization Electro-Absorption Modulator InP PIC
Baier, M.; Soares, F.M.; Zheng, Z.; Schmidt-Langhorst, C.; Elschner, R.; Frey, F.; Gruner, M.; Fischer, J.K.; Schubert, C.; Moehrle, M.; Grote, N.; Schell, M.
Konferenzbeitrag
2017DAC-Less 32-GBd PDM-256-QAM Using Low-Power InP IQ Segmented MZM
Aimone, A.; Frey, F.; Elschner, R.; Lopez, I.G.; Fiol, G.; Rito, P.; Gruner, M.; Ulusoy, A.C.; Kissinger, D.; Fischer, J.K.; Schubert, C.; Schell, M.
Zeitschriftenaufsatz
2017Low-Complexity Equalization Scheme for Multicarrier Offset-QAM Systems
Zheng, Z.; Frey, F.; Berenguer, P.W.; Fischer, J.K.
Zeitschriftenaufsatz
2017Nonlinear digital pre-distortion of transmitter components
Berenguer, P.W.; Frey, F.; Schubert, C.; Fischer, J.K.
Konferenzbeitrag
2017Optimized detection and decoding of 4D signals for the nonlinear fiber-optical channel
Frey, F.; Wäckerle, F.; Fischer, J.K.; Fischer, R.F.H.
Konferenzbeitrag
2017Single-step Perturbation-based Nonlinearity Compensation of Intra- and Inter-Subcarrier Nonlinear Interference
Frey, F.; Molle, L.; Emmerich, R.; Schubert, C.; Fischer, J.K.; Fischer, R.F.H.
Konferenzbeitrag
20155 Gbit/s real-time processing using π/4-shift DQPSK for bidirectional radio-over-fibre system
Habel, K.; Fernandez del Rosal, L.; Weide, S.; Hilt, J.; Jungnickel, V.; Elschner, R.; Schubert, C.; Frey, F.; Fischer, J.K.; Freund, R.
Konferenzbeitrag
2015Experimental analysis of nonlinear interference noise in heterogeneous flex-grid WDM transmission
Schmidt-Langhorst, C.; Elschner, R.; Frey, F.; Emmerich, R.; Schubert, C.
Konferenzbeitrag
2015Experimental investigation of a four-dimensional 256-ary lattice-based modulation format
Eriksson, T.A.; Alreesh, S.; Schmidt-Langhorst, C.; Frey, F.; Berenguer, P.W.; Schubert, C.; Fischer, J.K.; Andrekson, P.A.; Karlsson, M.; Agrell, E.
Konferenzbeitrag
2015FPGA implementation of a data-aided single-carrier frequency-domain equalizer for format-flexible receivers
Elschner, R.; Frey, F.; Schmidt-Langhorst, C.; Fischer, J.K.; Schubert, C.
Konferenzbeitrag
2015Generation, transmission, and detection of 4-D set-partitioning QAM signals
Fischer, J.K.; Schmidt-Langhorst, C.; Alreesh, S.; Elschner, R.; Frey, F.; Berenguer, P.W.; Molle, L.; Nölle, M.; Schubert, C.
Zeitschriftenaufsatz
2015Investigation of CAZAC sequences for data-aided channel estimation considering nonlinear optical transmission
Nölle, M.; Frey, F.; Elschner, R.; Schmidt-Langhorst, C.; Schubert, C.; Fischer, J.K.
Konferenzbeitrag
2015Performance of CAZAC training sequences in data-aided singlecarrier optical transmission systems
Noelle, M.; Elschner, R.; Frey, F.; Schmidt-Langhorst, C.; Fischer, J.K.; Schubert, C.
Konferenzbeitrag
2015Transmission of 2048SP-QAM Nyquist-WDM signals
Alreesh, S.; Schmidt-Langhorst, C.; Elschner, R.; Frey, F.; Berenguer, P.W.; Molle, L.; Noelle, M.; Schubert, C.; Fischer, J.K.
Konferenzbeitrag
2015Transmission performance of 4D 128SP-QAM with forward error correction coding
Alreesh, S.; Schmidt-Langhorst, C.; Frey, F.; Berenguer, P.W.; Schubert, C.; Fischer, J.K.
Zeitschriftenaufsatz
2014Bandwidth-variable transceivers based on four-dimensional modulation formats
Fischer, J.K.; Alreesh, S.; Elschner, R.; Frey, F.; Nölle, M.; Schmidt-Langhorst, C.; Schubert, C.
Zeitschriftenaufsatz
2014Coherent UDWDM PON with joint subcarrier reception at OLT
Kottke, C.; Fischer, J.K.; Elschner, R.; Frey, F.; Hilt, J.; Schubert, C.; Schmidt, D.; Wu, Z.; Lankl, B.
Zeitschriftenaufsatz
2014Data-aided DSP for flexible transceivers
Elschner, R.; Frey, F.; Schmidt-Langhorst, C.; Fischer, J.K.; Schubert, C.
Konferenzbeitrag
2014Digital signal processing for coherent UDWDM passive optical networks
Fischer, J.K.; Elschner, R.; Frey, F.; Hilt, J.; Kottke, C.; Schubert, C.; Wu, Z.; Schmidt, D.; Lankl, B.
Konferenzbeitrag
2014Efficient real-time implementation of a channelizer filter with a weighted overlap-add approach
Frey, F.; Elschner, R.; Kottke, C.; Schubert, C.; Fischer, J.K.
Konferenzbeitrag
2014Generation and coherent reception of 107-GBd optical nyquist BPSK, QPSK, and 16QAM
Richter, T.; Nölle, M.; Frey, F.; Schubert, C.
Zeitschriftenaufsatz
2014Performance comparison of different 8QAM constellations for the use in flexible optical networks
Nölle, M.; Frey, F.; Elschner, R.; Schmidt-Langhorst, C.; Napoli, A.; Schubert, C.
Konferenzbeitrag
2014Transmission of 512SP-QAM Nyquist-WDM signals
Fischer, J.K.; Schmidt-Langhorst, C.; Alreesh, S.; Elschner, R.; Frey, F.; Berenguer, P.W.; Molle, L.; Nölle, M.; Schubert, C.
Konferenzbeitrag
2013Bandwidth-Variable Transceivers Based on 4D Modulation Formats for Future Flexible Networks
Fischer, J.K.; Alreesh, S.; Elschner, R.; Frey, F.; Nölle, M.; Schubert, C.
Konferenzbeitrag
2013Data-aided digital signal processing for format-flexible transponders
Elschner, R.; Frey, F.; Meuer, C.; Fischer, J.K.; Alreesh, S.; Schmidt-Langhorst, C.; Molle, L.; Tanimura, T.; Schubert, C.
Konferenzbeitrag
2013Four-dimensional coded modulation: 6PolSK-QPSK
Fischer, J.K.; Alreesh, S.; Tanimura, T.; Elschner, R.; Frey, F.; Meuer, C.; Molle, L.; Schmidt-Langhorst, C.; Schubert, C.
Konferenzbeitrag
2013Nonlinear transmission of 6PolSK-QPSK signals using coded modulation and digital back propagation
Tanimura, T.; Alreesh, S.; Fischer, J.K.; Schmidt-Langhorst, C.; Frey, F.; Meuer, C.; Elschner, R.; Molle, L.; Schubert, C.
Konferenzbeitrag
2013Optimization of Subcarrier Spacing of 400-Gb/s Dual-Carrier Nyquist PDM-16QAM in a Flexgrid Scenario
Schmidt-Langhorst, C.; Frey, F.; Nölle, M.; Elschner, R.; Meuer, C.; Wilke-Berenguer, P.; Schubert, C.
Konferenzbeitrag
2013Software-defined transponders for future flexible grid networks
Elschner, R.; Frey, F.; Schmidt-Langhorst, C.; Fischer, J.K.; Nölle, M.; Schubert, C.
Konferenzbeitrag
2012Experimental demonstration of a format-flexible single carrier coherent receiver using data-aided digital signal processing
Elschner, R.; Frey, F.; Meuer, C.; Fischer, J.K.; Alreesh, S.; Schmidt-Langhorst, C.; Molle, L.; Tanimura, T.; Schubert, C.
Konferenzbeitrag
2012Experimental demonstration of a format-flexible single-carrier coherent receiver using data-aided digital signal processing
Elschner, R.; Frey, F.; Meuer, C.; Fischer, J.K.; Alreesh, S.; Schmidt-Langhorst, C.; Molle, L.; Tanimura, T.; Schubert, C.
Zeitschriftenaufsatz
2012Experimental investigation of 126-Gb/s 6PolSK-QPSK signals
Fischer, J.K.; Alreesh, S.; Elschner, R.; Frey, F.; Meuer, C.; Molle, L.; Schmidt-Langhorst, C.; Tanimura, T.; Schubert, C.
Konferenzbeitrag
2012Experimental investigation of 126-Gb/s 6PolSKQPSK signals
Fischer, J.K.; Alreesh, S.; Elschner, R.; Frey, F.; Meuer, C.; Molle, L.; Schmidt-Langhorst, C.; Tanimura, T.; Schubert, C.
Zeitschriftenaufsatz