Experimental analysis of nonlinear interference noise in heterogeneous flex-grid WDM transmission. - Carsten Schmidt-Langhorst; Robert Elschner; Felix Frey; Robert Emmerich; Colja Schubert (ECOC, 2015)

Single-step Perturbation-based Nonlinearity Compensation of Intra- and Inter-Subcarrier Nonlinear Interference. - Felix Frey; Lutz Molle; Robert Emmerich; Colja Schubert; Johannes K. Fischer; Robert F. H. Fischer (ECOC, 2017)

Colorless C-band WDM system enabled by coherent reception of 56-GBd PDM-16QAM using an high-bandwidth ICR with TIAs. - Robert Emmerich; Robert Elschner; Carsten Schmidt-Langhorst; Gijs van Elzakker; Jan Hoffmann 003; Andreas Umbach; Colja Schubert (OFC, 2017)

Improved Perturbation-Based Fiber Nonlinearity Compensation. - Felix Frey; Robert Emmerich; Colja Schubert; Johannes K. Fischer; Robert F. H. Fischer (ECOC, 2018)

Filterless Optical WDM Metro Networks Exploiting C+L Band. - Francesco Paolucci; Robert Emmerich; Francesco Fresi; Isaac Sackey; Luca Potì; Colja Schubert; Johannes K. Fischer; Filippo Cugini (ECOC, 2018)

Improving Achievable Information Rates of 64-GBd PDM-64QAM by Nonlinear Transmitter Predistortion. - Robert Elschner; Robert Emmerich; Carsten Schmidt-Langhorst; Felix Frey; Pablo Wilke Berenguer; Johannes K. Fischer; Helmut Grießer; Danish Rafique; Jörg-Peter Elbers; Colja Schubert (OFC, 2018)

Distributed Aggregation and Reception of a 400-Gb/s Net Rate Superchannel in a Single-Photodiode 110-GHz Kramers-Kronig Receiver. - Isaac Sackey; Carsten Schmidt-Langhorst; Robert Emmerich; Robert Elschner; Tomoyuki Kato; Takahito Tanimura; Shigeki Watanabe; Takeshi Hoshida; Colja Schubert (OFC, 2018)

32 GBd 16QAM Wireless Transmission in the 300 GHz Band using a PIN Diode for THz Upconversion. - Carlos Castro; Simon Nellen; Robert Elschner; Isaac Sackey; Robert Emmerich; Thomas Merkle; Björn Globisch; David de Felipe; Colja Schubert (OFC, 2019)

64-GBd DP-Bipolar-8ASK Transmission Over 120 km SSMF Employing a Monolithically Integrated Driver and MZM in 0.25-μm SiGe BiCMOS Technology. - Gilda Raoof Mehrpoor; Carsten Schmidt-Langhorst; Benjamin Wohlfeil; Robert Elschner; Danish Rafique; Robert Emmerich; Annika Dochhan; Iria Garcia Lopez; Pedro Rito; Despoina Petousi; Dietmar Kissinger; Lars Zimmermann; et al. (OFC, 2019)

OpenConfig Control of 100G/400G Filterless Metro Networks with configurable Modulation Format and FEC. - Francesco Paolucci; Andrea Sgambelluri; Robert Emmerich; Alessio Giorgetti; Piero Castoldi; Colja Schubert; Johannes Karl Fischer; Filippo Cugini (OFC, 2019)

Characterization and Linearization of High Bandwidth Integrated Optical Transmitter Modules. - Markus Nölle; M. Sezer Erkilinç; Robert Emmerich; Carsten Schmidt-Langhorst; Robert Elschner; Colja Schubert (ECOC, 2020)

An Autonomous Identification and Pre-distortion Scheme for Cognitive Transceivers using Bayesian Optimization. - Matheus Ribeiro Sena; M. Sezer Erkilinç; Thomas Dippon; Behnam Shariati; Robert Emmerich; Johannes K. Fischer; Ronald Freund (ECOC, 2020)

Capacity Limits of C+L Metro Transport Networks Exploiting Dual-Band Node Architectures. - Robert Emmerich; António Eira; Nelson Costa; Pablo Wilke Berenguer; Colja Schubert; Johannes Karl Fischer; João Pedro 001 (OFC, 2020)

PON transceiver technologies for ≥50 Gbits/s per λ: Alamouti coding and heterodyne detection [Invited]. - M. Sezer Erkilinç; Robert Emmerich; Kai Habel; Volker Jungnickel; Carsten Schmidt-Langhorst; Colja Schubert; Ronald Freund (JOCN, 2020)

Disaggregated edge-enabled C+L-band filterless metro networks. - Francesco Paolucci; Robert Emmerich; António Eira; Nelson Costa; João Pedro 001; Pablo Wilke Berenguer; Colja Schubert; Johannes K. Fischer; Francesco Fresi; Andrea Sgambelluri; Filippo Cugini (JOCN, 2020)

Impact of Wavelength-Dependent I/Q Imbalances of Standard C-Band Transceivers in Rate-Adaptive Multiband Systems. - Gabriele Di Rosa; Robert Emmerich; Matheus Ribeiro Sena; Johannes K. Fischer; Colja Schubert; André Richter (ECOC, 2021)

Performance Evaluation of an Interband All-Optical Wavelength Converter for Cost-Effective High-Capacity Optical Networks. - Isaac Sackey; Robert Elschner; Robert Emmerich; Carsten Schmidt-Langhorst; D. D. Groß; Georg Rademacher; Yoshinari Awaji; Hideaki Furukawa; Takemi Hasegawa; Colja Schubert; Ronald Freund (ECOC, 2021)

Enabling S-C-L-Band Systems with Standard C-Band Modulator and Coherent Receiver using Nonlinear Predistortion. - Robert Emmerich; Matheus Ribeiro Sena; Robert Elschner; Carsten Schmidt-Langhorst; Isaac Sackey; Colja Schubert; Ronald Freund (OFC, 2021)

Evaluation of an Autonomous Digital Pre-distortion Scheme for Optical Multiband Systems. - Matheus Ribeiro Sena; Robert Emmerich; Behnam Shariati; Johannes K. Fischer; Ronald Freund (OFC, 2021)

Link Tomography for Amplifier Gain Profile Estimation and Failure Detection in C+L-band Open Line Systems. - Matheus Ribeiro Sena; Robert Emmerich; Behnam Shariati; Johannes K. Fischer; Ronald Freund (OFC, 2022)

Partial MIMO-based Mode Division Multiplexing Transmission over the First Field-Deployed 15-Mode Fiber in Metro Scenario. - Alberto Gatto 001; Paola Parolari; Ruben S. Luis; Georg Rademacher; Benjamin J. Puttnam; Robert Emmerich; Colja Schubert; Giuseppe Ferri; Frank Achten; Pierre Sillard; Paolo Martelli; Giammarco Di Sciullo; et al. (OFC, 2023)

Colorless and Directionless ROADM for Meshed Coupled-Core Multicore Fiber Networks. - Ruben S. Luis; Giammarco Di Sciullo; Georg Rademacher; Benjamin J. Puttnam; Andrea Marotta; Robert Emmerich; Nicolas Braig-Christophersen; Ralf Stolte; Fabio Graziosi; Antonio Mecozzi; Colja Schubert; Tetsuya Hayashi; et al. (OFC, 2023)

Demonstration of Multi-Hop Mode-Group Routing in a Field-Deployed Multi-Mode Fiber Network. - Paola Parolari; Alberto Gatto 001; Ruben S. Luis; Georg Rademacher; Benjamin J. Puttnam; Robert Emmerich; Colja Schubert; Giuseppe Ferri; Frank Achten; Pierre Sillard; Paolo Martelli; Giammarco Di Sciullo; et al. (OFC, 2023)

Field Transmission Performance of Multi-core and Few-Mode Fibers. - Cristian Antonelli; Antonio Mecozzi; Andrea Marotta; Fabio Graziosi; Giammarco Di Sciullo; Domenico Ribezzo; Mikael Mazur; Nicolas K. Fontaine; Lauren Dallachiesa; Roland Ryf; Ruben S. Luis; Benjamin J. Puttnam; et al. (OFC, 2024)

Experimental dataset for developing and testing ML models in optical communication systems. - Caio Santos; Abdelrahmane Moawad; Behnam Shariati; Robert Emmerich; Pooyan Safari; Colja Schubert; Johannes K. Fischer (J. Opt. Commun. Netw., 2024)

Experimental Validation of Partitioned MIMO Equalizer with Low-Resolution Interface for Mitigation of Mode-Group Coupling in SDM Transmission over 3-Mode Fiber. - Nicolas Braig-Christophersen; Aymeric Arnould; Robert Elschner; Carsten Schmidt-Langhorst; Ruben S. Luis; Pamir Oezsuna; Kallyan Das; Juan L. Moreno Morrone; Robert Emmerich; Kazuhiko Aikawa; Hideaki Furukawa; Georg Rademacher; et al. (OFC, 2025)

Demonstration of a Programmable Node Prototype for Spatial Lane Switching and Band Switching. - Abdelrahmane Moawad; Robert Emmerich; Hussein Zaid; Caio Santos; Alessio Giorgetti; Roberto Morro; Colja Schubert; Behnam Shariati; Johannes Karl Fischer (OFC, 2025)

Autonomous Service Provisioning and Self-Healing in Multi-Band Multi-Domain IPoWDM Networks. - H. Zaid; Abdelrahmane Moawad; Behnam Shariati; Robert Emmerich; Alessio Giorgetti; Ramon Casellas; Carsten Schmidt-Langhorst; E. Fernandez; Pablo Pavón-Mariño; Filippo Cugini; Vignesh Karunakaran; Emilio Riccardi; et al. (OFC, 2025)

Exploring the potential of longitudinal power monitoring for detecting physical-layer attacks [Invited]. - Matheus Ribeiro Sena; Abdelrahmane Moawad; Robert Emmerich; Behnam Shariati; Marc Geitz; Ralf-Peter Braun; Johannes K. Fischer; Ronald Freund (J. Opt. Commun. Netw., 2025)